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Conserved domains on  [gi|288903170|ref|YP_003433782|]
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cytochrome c oxidase subunit III (mitochondrion) [Decipisagitta decipiens]

Protein Classification

cytochrome c oxidase subunit 3( domain architecture ID 10791100)

cytochrome c oxidase subunit 3 is one of main transmembrane subunits of cytochrome c oxidase, the last enzyme in the respiratory electron transport chain of mitochondria or bacteria located in the mitochondrial or bacterial membrane

Graphical summary

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List of domain hits

Name Accession Description Interval E-value
COX3 MTH00189
cytochrome c oxidase subunit III; Provisional
1-259 4.87e-149

cytochrome c oxidase subunit III; Provisional


:

Pssm-ID: 177238  Cd Length: 260  Bit Score: 416.30  E-value: 4.87e-149
                         10        20        30        40        50        60        70        80
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 288903170   1 MTKHPFHIVDASPWPLTGSIGAFCFTAGMAAYFNKYDQYLMYLGFFLILLTMVQWWRDVTREATFQGKHTAKVESGMRLG 80
Cdd:MTH00189   2 HQAHPFHLVDPSPWPLTGAIAALLLTSGLAMWFHYNSFILLFLGLILLLLTMIQWWRDVVRESTFQGFHTPPVQKGLRYG 81
                         90       100       110       120       130       140       150       160
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 288903170  81 MILFILSEVFFFLAFFWAYFHSALSPSIEIGAVWTPVGIQGINPFSVPLLNTVVLLSSGVTITWAHHCILAGYWTDTCNA 160
Cdd:MTH00189  82 MILFITSEVFFFLGFFWAFFHSSLAPTVELGMCWPPTGIEPLNPFEVPLLNTAVLLSSGVTVTWAHHSLMEGNRKEAIQA 161
                        170       180       190       200       210       220       230       240
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 288903170 161 FLATICLGVYFTLLQGFEYKVASFTIADSVYGSCFYLATGFHGFHVIIGTTFISVMYYRHIYFHFSKKHHFGFEASAWYW 240
Cdd:MTH00189 162 LTLTVILGVYFTLLQAMEYYEAPFTIADSVYGSTFFVATGFHGLHVIIGSTFLLVCLLRQIQGHFTSSHHFGFEAAAWYW 241
                        250
                 ....*....|....*....
gi 288903170 241 HFVDVVWIFLFISIYWWGY 259
Cdd:MTH00189 242 HFVDVVWLFLYVSIYWWGS 260
 
Name Accession Description Interval E-value
COX3 MTH00189
cytochrome c oxidase subunit III; Provisional
1-259 4.87e-149

cytochrome c oxidase subunit III; Provisional


Pssm-ID: 177238  Cd Length: 260  Bit Score: 416.30  E-value: 4.87e-149
                         10        20        30        40        50        60        70        80
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 288903170   1 MTKHPFHIVDASPWPLTGSIGAFCFTAGMAAYFNKYDQYLMYLGFFLILLTMVQWWRDVTREATFQGKHTAKVESGMRLG 80
Cdd:MTH00189   2 HQAHPFHLVDPSPWPLTGAIAALLLTSGLAMWFHYNSFILLFLGLILLLLTMIQWWRDVVRESTFQGFHTPPVQKGLRYG 81
                         90       100       110       120       130       140       150       160
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 288903170  81 MILFILSEVFFFLAFFWAYFHSALSPSIEIGAVWTPVGIQGINPFSVPLLNTVVLLSSGVTITWAHHCILAGYWTDTCNA 160
Cdd:MTH00189  82 MILFITSEVFFFLGFFWAFFHSSLAPTVELGMCWPPTGIEPLNPFEVPLLNTAVLLSSGVTVTWAHHSLMEGNRKEAIQA 161
                        170       180       190       200       210       220       230       240
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 288903170 161 FLATICLGVYFTLLQGFEYKVASFTIADSVYGSCFYLATGFHGFHVIIGTTFISVMYYRHIYFHFSKKHHFGFEASAWYW 240
Cdd:MTH00189 162 LTLTVILGVYFTLLQAMEYYEAPFTIADSVYGSTFFVATGFHGLHVIIGSTFLLVCLLRQIQGHFTSSHHFGFEAAAWYW 241
                        250
                 ....*....|....*....
gi 288903170 241 HFVDVVWIFLFISIYWWGY 259
Cdd:MTH00189 242 HFVDVVWLFLYVSIYWWGS 260
Cyt_c_Oxidase_III cd01665
Cytochrome c oxidase subunit III. Cytochrome c oxidase (CcO), the terminal oxidase in the ...
16-257 1.64e-120

Cytochrome c oxidase subunit III. Cytochrome c oxidase (CcO), the terminal oxidase in the respiratory chains of eukaryotes and most bacteria, is a multi-chain transmembrane protein located in the inner membrane of mitochondria and the cell membrane of prokaryotes. CcO catalyzes the reduction of O2 and simultaneously pumps protons across the membrane. The number of subunits varies from three to five in bacteria and up to 13 in mammalian mitochondria. Only subunits I and II are essential for function, but subunit III, which is also conserved, is believed to play a role in assembly of the multimer complex. Rhodobacter CcO subunit III stabilizes the integrity of the binuclear center in subunit I. Subunits I, II, and III of mammalian CcO are encoded within the mitochondrial genome and the remaining 10 subunits are encoded within the nuclear genome. Subunit III contains bound phospholipids in several crystal structures and is proposed to contain a "lipid pool." These phospholipids are believed to intrinsic constituents similar to cofactors of the enzyme.


Pssm-ID: 238834  Cd Length: 243  Bit Score: 343.73  E-value: 1.64e-120
                         10        20        30        40        50        60        70        80
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 288903170  16 LTGSIGAFCFTAGMAAYFNKYDQ-YLMYLGFFLILLTMVQWWRDVTREATFQGKHTAKVESGMRLGMILFILSEVFFFLA 94
Cdd:cd01665    1 ILGSFGLLLLALGLVLWMHGYGGpLLLFLGLILLILTMFLWWRDVIRESTFGGHHTKKVQKGLRLGMILFILSEVMFFFS 80
                         90       100       110       120       130       140       150       160
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 288903170  95 FFWAYFHSALSPSIEIGAVWTPVGIQGINPFSVPLLNTVVLLSSGVTITWAHHCILAGYWTDTCNAFLATICLGVYFTLL 174
Cdd:cd01665   81 FFWAFFHSSLSPSVELGGTWPPVGIEPLNPFGIPLLNTIILLSSGATVTWAHHALLLGNRKKAILGLILTILLGVYFTGL 160
                        170       180       190       200       210       220       230       240
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 288903170 175 QGFEYKVASFTIADSVYGSCFYLATGFHGFHVIIGTTFISVMYYRHIYFHFSKKHHFGFEASAWYWHFVDVVWIFLFISI 254
Cdd:cd01665  161 QAYEYYEASFTISDSVYGSTFFMLTGFHGLHVIIGTIFLTVCLIRLLKGHFSSNHHLGFEAAIWYWHFVDVVWLFLFVFV 240

                 ...
gi 288903170 255 YWW 257
Cdd:cd01665  241 YWW 243
COX3 pfam00510
Cytochrome c oxidase subunit III;
4-259 1.26e-117

Cytochrome c oxidase subunit III;


Pssm-ID: 395410  Cd Length: 258  Bit Score: 337.08  E-value: 1.26e-117
                          10        20        30        40        50        60        70        80
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 288903170    4 HPFHIVDASPWPLTGSIGAFCFTAGMAAYFNKY--DQYLMYLGFFLILLTMVQWWRDVTREATFQGKHTAKVESGMRLGM 81
Cdd:pfam00510   1 HPFHMVSPSPWPLFGSFALLLLTSGLVLWFHGYsgNMTLFIIALFSLLLTMYLWFRDIIREGTFLGDHTFAVQKGLNLGM 80
                          90       100       110       120       130       140       150       160
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 288903170   82 ILFILSEVFFFLAFFWAYFHSALSPSIEIGAVWTPVGIQGINPFSVPLLNTVVLLSSGVTITWAHHCILAGYWTDTCNAF 161
Cdd:pfam00510  81 ILFIISEVFFFLGIFWAFFHSALSPTVELGAQWPPVGIHPVNPFEVPLLNTIILLSSGVTVTYAHHSLIEGNRKQALQGL 160
                         170       180       190       200       210       220       230       240
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 288903170  162 LATICLGVYFTLLQGFEYKVASFTIADSVYGSCFYLATGFHGFHVIIGTTFISVMYYRHIYFHFSKKHHFGFEASAWYWH 241
Cdd:pfam00510 161 ILTILLAVYFTGLQAMEYTEASFTISDGVYGSTFYFATGFHGLHVIIGTAFLAVCFLRLLKYHLTDNHHFGFEAAILYWH 240
                         250
                  ....*....|....*...
gi 288903170  242 FVDVVWIFLFISIYWWGY 259
Cdd:pfam00510 241 FVDVVWLFLYVSVYWWGS 258
CyoC COG1845
Heme/copper-type cytochrome/quinol oxidase, subunit 3 [Energy production and conversion];
69-257 2.24e-50

Heme/copper-type cytochrome/quinol oxidase, subunit 3 [Energy production and conversion];


Pssm-ID: 441450  Cd Length: 192  Bit Score: 163.48  E-value: 2.24e-50
                         10        20        30        40        50        60        70        80
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 288903170  69 HTAKVESGMRLGMILFILSEVFFFLAFFWAYFHSALSpsieigAVWTPVGIQGINPfSVPLLNTVVLLSSGVTITWAHHC 148
Cdd:COG1845    8 HAPERRSPGKLGMWLFLASEVMLFAALFAAYFVLRAS------APDWPAGAELLDL-PLPLINTLLLLLSSFTVALAVRA 80
                         90       100       110       120       130       140       150       160
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 288903170 149 ILAGYWTDTCNAFLATICLGVYFTLLQGFEYKVAS---FTIADSVYGSCFYLATGFHGFHVIIGTTFISVMYYRHIYFHF 225
Cdd:COG1845   81 ARRGDRKGLRLWLLLTLLLGLAFLGLQAYEYSHLIaegLTPTSNAFGSFFFLLTGFHGLHVIIGLIWLLVVLVRALRGGF 160
                        170       180       190
                 ....*....|....*....|....*....|..
gi 288903170 226 SKKHHFGFEASAWYWHFVDVVWIFLFISIYWW 257
Cdd:COG1845  161 TPENHTGVEAAALYWHFVDVVWIFLFALVYLL 192
CyoC TIGR02842
cytochrome o ubiquinol oxidase, subunit III; Cytochrome o terminal oxidase complex is the ...
79-258 5.83e-06

cytochrome o ubiquinol oxidase, subunit III; Cytochrome o terminal oxidase complex is the component of the aerobic respiratory chain which reacts with oxygen, reducing it to water with the concomitant transport of 4 protons across the membrane. Also known as the cytochrome bo complex, cytochrome o ubiquinol oxidase contains four subunits, two heme b cofactors and a copper atom which is believed to be the oxygen active site. This complex is structurally related to the cytochrome caa3 oxidases which utilize cytochrome c as the reductant and contain heme a cofactors, as well as the intermediate form aa3 oxidases which also react directly with quinones as the reductant. [Energy metabolism, Electron transport]


Pssm-ID: 131889  Cd Length: 180  Bit Score: 45.71  E-value: 5.83e-06
                          10        20        30        40        50        60        70        80
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 288903170   79 LGMILFILSEVFFFLAFFWAYFhsALSPSieigavwTPVGIQGINPFSVP--LLNTVVLLSSGVTITWAHHCILAGYWTD 156
Cdd:TIGR02842   3 FGFWLYLMSDCILFATLFATYA--VLSNN-------TAGGPSGKEIFDLPfvLVETFLLLLSSITFGFAMLAMNKKNKKM 73
                          90       100       110       120       130       140       150       160
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 288903170  157 TCNAFLATICLGVYFTLLQGFEYK---VASFTIADSVYGSCFYLATGFHGFHVIIGTTFISVMYYRHIYFHFSKKHHFGF 233
Cdd:TIGR02842  74 VILWLAITFLLGLGFIGMEIYEFYhliAEGNGPDRSAFLSAFFTLVGTHGLHVTSGLIWIIVMIIQVYKYGLTKINRRRL 153
                         170       180
                  ....*....|....*....|....*
gi 288903170  234 EASAWYWHFVDVVWIFLFISIYWWG 258
Cdd:TIGR02842 154 ACLSLFWHFLDIVWICVFTFVYLLG 178
 
Name Accession Description Interval E-value
COX3 MTH00189
cytochrome c oxidase subunit III; Provisional
1-259 4.87e-149

cytochrome c oxidase subunit III; Provisional


Pssm-ID: 177238  Cd Length: 260  Bit Score: 416.30  E-value: 4.87e-149
                         10        20        30        40        50        60        70        80
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 288903170   1 MTKHPFHIVDASPWPLTGSIGAFCFTAGMAAYFNKYDQYLMYLGFFLILLTMVQWWRDVTREATFQGKHTAKVESGMRLG 80
Cdd:MTH00189   2 HQAHPFHLVDPSPWPLTGAIAALLLTSGLAMWFHYNSFILLFLGLILLLLTMIQWWRDVVRESTFQGFHTPPVQKGLRYG 81
                         90       100       110       120       130       140       150       160
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 288903170  81 MILFILSEVFFFLAFFWAYFHSALSPSIEIGAVWTPVGIQGINPFSVPLLNTVVLLSSGVTITWAHHCILAGYWTDTCNA 160
Cdd:MTH00189  82 MILFITSEVFFFLGFFWAFFHSSLAPTVELGMCWPPTGIEPLNPFEVPLLNTAVLLSSGVTVTWAHHSLMEGNRKEAIQA 161
                        170       180       190       200       210       220       230       240
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 288903170 161 FLATICLGVYFTLLQGFEYKVASFTIADSVYGSCFYLATGFHGFHVIIGTTFISVMYYRHIYFHFSKKHHFGFEASAWYW 240
Cdd:MTH00189 162 LTLTVILGVYFTLLQAMEYYEAPFTIADSVYGSTFFVATGFHGLHVIIGSTFLLVCLLRQIQGHFTSSHHFGFEAAAWYW 241
                        250
                 ....*....|....*....
gi 288903170 241 HFVDVVWIFLFISIYWWGY 259
Cdd:MTH00189 242 HFVDVVWLFLYVSIYWWGS 260
COX3 MTH00155
cytochrome c oxidase subunit III; Provisional
1-255 3.70e-140

cytochrome c oxidase subunit III; Provisional


Pssm-ID: 214439  Cd Length: 255  Bit Score: 393.78  E-value: 3.70e-140
                         10        20        30        40        50        60        70        80
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 288903170   1 MTKHPFHIVDASPWPLTGSIGAFCFTAGMAAYFNKYDQYLMYLGFFLILLTMVQWWRDVTREATFQGKHTAKVESGMRLG 80
Cdd:MTH00155   1 KKNHPFHLVDYSPWPLTGSIGAMTLTSGLIKWFHQFNMNLLILGLIITLLTMFQWWRDVIREGTFQGLHTKKVTKGLRWG 80
                         90       100       110       120       130       140       150       160
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 288903170  81 MILFILSEVFFFLAFFWAYFHSALSPSIEIGAVWTPVGIQGINPFSVPLLNTVVLLSSGVTITWAHHCILAGYWTDTCNA 160
Cdd:MTH00155  81 MILFIVSEVFFFISFFWAFFHSSLSPNIELGMIWPPKGIIPFNPFQIPLLNTIILLSSGVTVTWAHHSLMENNYKQATQS 160
                        170       180       190       200       210       220       230       240
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 288903170 161 FLATICLGVYFTLLQGFEYKVASFTIADSVYGSCFYLATGFHGFHVIIGTTFISVMYYRHIYFHFSKKHHFGFEASAWYW 240
Cdd:MTH00155 161 LFFTIILGIYFTMLQAYEYYEAPFTIADSVYGSTFFMATGFHGLHVIIGTTFLLVCLIRHLNNHFSSNHHFGFEAAAWYW 240
                        250
                 ....*....|....*
gi 288903170 241 HFVDVVWIFLFISIY 255
Cdd:MTH00155 241 HFVDVVWLFLYISIY 255
COX3 MTH00118
cytochrome c oxidase subunit III; Provisional
4-258 1.98e-133

cytochrome c oxidase subunit III; Provisional


Pssm-ID: 177179  Cd Length: 261  Bit Score: 376.98  E-value: 1.98e-133
                         10        20        30        40        50        60        70        80
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 288903170   4 HPFHIVDASPWPLTGSIGAFCFTAGMAAYFNKYDQYLMYLGFFLILLTMVQWWRDVTREATFQGKHTAKVESGMRLGMIL 83
Cdd:MTH00118   6 HPYHMVDPSPWPLTGAMAALLLTSGLAMWFHYNSTTLLKLGLLSMLLTMLQWWRDIVRESTFQGHHTPTVQKGLRYGMIL 85
                         90       100       110       120       130       140       150       160
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 288903170  84 FILSEVFFFLAFFWAYFHSALSPSIEIGAVWTPVGIQGINPFSVPLLNTVVLLSSGVTITWAHHCILAGYWTDTCNAFLA 163
Cdd:MTH00118  86 FITSEVFFFLGFFWAFYHSSLAPTPELGGQWPPTGIKPLNPFEVPLLNTAVLLASGVTVTWAHHSIMEGNRKQAIQALTL 165
                        170       180       190       200       210       220       230       240
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 288903170 164 TICLGVYFTLLQGFEYKVASFTIADSVYGSCFYLATGFHGFHVIIGTTFISVMYYRHIYFHFSKKHHFGFEASAWYWHFV 243
Cdd:MTH00118 166 TILLGLYFTALQAMEYYEAPFTISDSVYGSTFFVATGFHGLHVIIGSTFLIVCLLRLIKFHFTTNHHFGFEAAAWYWHFV 245
                        250
                 ....*....|....*
gi 288903170 244 DVVWIFLFISIYWWG 258
Cdd:MTH00118 246 DVVWLFLYISIYWWG 260
COX3 MTH00141
cytochrome c oxidase subunit III; Provisional
1-259 4.43e-133

cytochrome c oxidase subunit III; Provisional


Pssm-ID: 177199  Cd Length: 259  Bit Score: 376.15  E-value: 4.43e-133
                         10        20        30        40        50        60        70        80
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 288903170   1 MTKHPFHIVDASPWPLTGSIGAFCFTAGMAAYFNKYDQYLMYLGFFLILLTMVQWWRDVTREATFQGKHTAKVESGMRLG 80
Cdd:MTH00141   1 MTRNPFHLVEFSPWPLTGSIGALFLTVGLVSWFHGGSFLLLVLGLVLIVLTMFQWWRDIVRESTFQGFHTSKVQRGLRWG 80
                         90       100       110       120       130       140       150       160
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 288903170  81 MILFILSEVFFFLAFFWAYFHSALSPSIEIGAVWTPVGIQGINPFSVPLLNTVVLLSSGVTITWAHHCILAGYWTDTCNA 160
Cdd:MTH00141  81 FILFIVSEVCFFFAFFWAYFHSSLAPSVEIGCCWPPVGIEPLNPFQVPLLNTAVLLASGVTVTWAHHSLMEGDYKSALQG 160
                        170       180       190       200       210       220       230       240
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 288903170 161 FLATICLGVYFTLLQGFEYKVASFTIADSVYGSCFYLATGFHGFHVIIGTTFISVMYYRHIYFHFSKKHHFGFEASAWYW 240
Cdd:MTH00141 161 LGLTIILGVYFTFLQAGEYYEASFSIADGVYGSTFFVLTGFHGLHVIIGTTFLLVCLVRLLLGHFSTNHHFGFEAAAWYW 240
                        250
                 ....*....|....*....
gi 288903170 241 HFVDVVWIFLFISIYWWGY 259
Cdd:MTH00141 241 HFVDVVWLFLYLSIYWWGS 259
COX3 MTH00039
cytochrome c oxidase subunit III; Validated
3-258 1.87e-123

cytochrome c oxidase subunit III; Validated


Pssm-ID: 177114  Cd Length: 260  Bit Score: 351.72  E-value: 1.87e-123
                         10        20        30        40        50        60        70        80
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 288903170   3 KHPFHIVDASPWPLTGSIGAFCFTAGMAAYFNKYDQYLMYLGFFLILLTMVQWWRDVTREATFQGKHTAKVESGMRLGMI 82
Cdd:MTH00039   4 QHPYHLVDQSPWPLTAAIGALIMTSGLVLWFHGDSILLLLLGLLLLILTSINWWRDVIREATFQGMHTLIVINGLRYGMI 83
                         90       100       110       120       130       140       150       160
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 288903170  83 LFILSEVFFFLAFFWAYFHSALSPSIEIGAVWTPVGIQGINPFSVPLLNTVVLLSSGVTITWAHHCILAGYWTDTCNAFL 162
Cdd:MTH00039  84 LFITSEVCFFFAFFWAFFHSSLAPTVEIGVSWPPTGINPINPFLVPLLNTAVLLSSGVTITWSHHSILEGNRTEAIQALF 163
                        170       180       190       200       210       220       230       240
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 288903170 163 ATICLGVYFTLLQGFEYKVASFTIADSVYGSCFYLATGFHGFHVIIGTTFISVMYYRHIYFHFSKKHHFGFEASAWYWHF 242
Cdd:MTH00039 164 LTVLLGLYFTALQAWEYYDAPFTIADSVYGSTFFVATGFHGLHVIIGTTFLAVCLFRLINHHFSNNHHFGFEAAAWYWHF 243
                        250
                 ....*....|....*.
gi 288903170 243 VDVVWIFLFISIYWWG 258
Cdd:MTH00039 244 VDVVWLFLYVCIYWWG 259
Cyt_c_Oxidase_III cd01665
Cytochrome c oxidase subunit III. Cytochrome c oxidase (CcO), the terminal oxidase in the ...
16-257 1.64e-120

Cytochrome c oxidase subunit III. Cytochrome c oxidase (CcO), the terminal oxidase in the respiratory chains of eukaryotes and most bacteria, is a multi-chain transmembrane protein located in the inner membrane of mitochondria and the cell membrane of prokaryotes. CcO catalyzes the reduction of O2 and simultaneously pumps protons across the membrane. The number of subunits varies from three to five in bacteria and up to 13 in mammalian mitochondria. Only subunits I and II are essential for function, but subunit III, which is also conserved, is believed to play a role in assembly of the multimer complex. Rhodobacter CcO subunit III stabilizes the integrity of the binuclear center in subunit I. Subunits I, II, and III of mammalian CcO are encoded within the mitochondrial genome and the remaining 10 subunits are encoded within the nuclear genome. Subunit III contains bound phospholipids in several crystal structures and is proposed to contain a "lipid pool." These phospholipids are believed to intrinsic constituents similar to cofactors of the enzyme.


Pssm-ID: 238834  Cd Length: 243  Bit Score: 343.73  E-value: 1.64e-120
                         10        20        30        40        50        60        70        80
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 288903170  16 LTGSIGAFCFTAGMAAYFNKYDQ-YLMYLGFFLILLTMVQWWRDVTREATFQGKHTAKVESGMRLGMILFILSEVFFFLA 94
Cdd:cd01665    1 ILGSFGLLLLALGLVLWMHGYGGpLLLFLGLILLILTMFLWWRDVIRESTFGGHHTKKVQKGLRLGMILFILSEVMFFFS 80
                         90       100       110       120       130       140       150       160
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 288903170  95 FFWAYFHSALSPSIEIGAVWTPVGIQGINPFSVPLLNTVVLLSSGVTITWAHHCILAGYWTDTCNAFLATICLGVYFTLL 174
Cdd:cd01665   81 FFWAFFHSSLSPSVELGGTWPPVGIEPLNPFGIPLLNTIILLSSGATVTWAHHALLLGNRKKAILGLILTILLGVYFTGL 160
                        170       180       190       200       210       220       230       240
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 288903170 175 QGFEYKVASFTIADSVYGSCFYLATGFHGFHVIIGTTFISVMYYRHIYFHFSKKHHFGFEASAWYWHFVDVVWIFLFISI 254
Cdd:cd01665  161 QAYEYYEASFTISDSVYGSTFFMLTGFHGLHVIIGTIFLTVCLIRLLKGHFSSNHHLGFEAAIWYWHFVDVVWLFLFVFV 240

                 ...
gi 288903170 255 YWW 257
Cdd:cd01665  241 YWW 243
COX3 MTH00219
cytochrome c oxidase subunit III; Provisional
1-258 2.64e-120

cytochrome c oxidase subunit III; Provisional


Pssm-ID: 214464  Cd Length: 262  Bit Score: 343.69  E-value: 2.64e-120
                         10        20        30        40        50        60        70        80
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 288903170   1 MTKHPFHIVDASPWPLTGSIGAFCFTAGMAAYFNKYDQYLMYLGFFLILLTMVQWWRDVTREATFQGKHTAKVESGMRLG 80
Cdd:MTH00219   4 FQTNPYHLVDYSPWPLTGSLGALMLTSGLVAWFHHYNLDLLILGLLIIVLTMIQWWRDVIRESTFMGLHTSKVSTGLRIG 83
                         90       100       110       120       130       140       150       160
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 288903170  81 MILFILSEVFFFLAFFWAYFHSALSPSIEIGAVWTPVGIQGINPFSVPLLNTVVLLSSGVTITWAHHCILAGYWTDTCNA 160
Cdd:MTH00219  84 MILFIVSEILFFFAFFWAFFHSSLAPTIELGSCWPPTGINPLNPFQVPLLNTAVLLASGVTVTWAHHSLMESNHKEAQQG 163
                        170       180       190       200       210       220       230       240
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 288903170 161 FLATICLGVYFTLLQGFEYKVASFTIADSVYGSCFYLATGFHGFHVIIGTTFISVMYYRHIYFHFSKKHHFGFEASAWYW 240
Cdd:MTH00219 164 LLFTILLGLYFTMLQGMEYLEASFSISDSVYGTTFFVATGFHGLHVIIGTIFLFVCFMRGLMLHFSKNHHFGFEAAAWYW 243
                        250
                 ....*....|....*...
gi 288903170 241 HFVDVVWIFLFISIYWWG 258
Cdd:MTH00219 244 HFVDVVWLFLYVSIYWWG 261
COX3 MTH00130
cytochrome c oxidase subunit III; Provisional
4-258 5.10e-120

cytochrome c oxidase subunit III; Provisional


Pssm-ID: 177188  Cd Length: 261  Bit Score: 342.90  E-value: 5.10e-120
                         10        20        30        40        50        60        70        80
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 288903170   4 HPFHIVDASPWPLTGSIGAFCFTAGMAAYFNKYDQYLMYLGFFLILLTMVQWWRDVTREATFQGKHTAKVESGMRLGMIL 83
Cdd:MTH00130   6 HAYHMVDPSPWPLTGAVAALLMTSGLAIWFHFHSTTLMTLGLILLLLTMYQWWRDIVREGTFQGHHTPPVQKGLRYGMIL 85
                         90       100       110       120       130       140       150       160
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 288903170  84 FILSEVFFFLAFFWAYFHSALSPSIEIGAVWTPVGIQGINPFSVPLLNTVVLLSSGVTITWAHHCILAGYWTDTCNAFLA 163
Cdd:MTH00130  86 FITSEVFFFLGFFWAFYHSSLAPTPELGGCWPPTGITTLDPFEVPLLNTAVLLASGVTVTWAHHSIMEGERKQAIQSLTL 165
                        170       180       190       200       210       220       230       240
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 288903170 164 TICLGVYFTLLQGFEYKVASFTIADSVYGSCFYLATGFHGFHVIIGTTFISVMYYRHIYFHFSKKHHFGFEASAWYWHFV 243
Cdd:MTH00130 166 TILLGFYFTFLQAMEYYEAPFTIADGVYGSTFFVATGFHGLHVIIGSTFLAVCLLRQIQYHFTSEHHFGFEAAAWYWHFV 245
                        250
                 ....*....|....*
gi 288903170 244 DVVWIFLFISIYWWG 258
Cdd:MTH00130 246 DVVWLFLYISIYWWG 260
COX3 pfam00510
Cytochrome c oxidase subunit III;
4-259 1.26e-117

Cytochrome c oxidase subunit III;


Pssm-ID: 395410  Cd Length: 258  Bit Score: 337.08  E-value: 1.26e-117
                          10        20        30        40        50        60        70        80
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 288903170    4 HPFHIVDASPWPLTGSIGAFCFTAGMAAYFNKY--DQYLMYLGFFLILLTMVQWWRDVTREATFQGKHTAKVESGMRLGM 81
Cdd:pfam00510   1 HPFHMVSPSPWPLFGSFALLLLTSGLVLWFHGYsgNMTLFIIALFSLLLTMYLWFRDIIREGTFLGDHTFAVQKGLNLGM 80
                          90       100       110       120       130       140       150       160
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 288903170   82 ILFILSEVFFFLAFFWAYFHSALSPSIEIGAVWTPVGIQGINPFSVPLLNTVVLLSSGVTITWAHHCILAGYWTDTCNAF 161
Cdd:pfam00510  81 ILFIISEVFFFLGIFWAFFHSALSPTVELGAQWPPVGIHPVNPFEVPLLNTIILLSSGVTVTYAHHSLIEGNRKQALQGL 160
                         170       180       190       200       210       220       230       240
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 288903170  162 LATICLGVYFTLLQGFEYKVASFTIADSVYGSCFYLATGFHGFHVIIGTTFISVMYYRHIYFHFSKKHHFGFEASAWYWH 241
Cdd:pfam00510 161 ILTILLAVYFTGLQAMEYTEASFTISDGVYGSTFYFATGFHGLHVIIGTAFLAVCFLRLLKYHLTDNHHFGFEAAILYWH 240
                         250
                  ....*....|....*...
gi 288903170  242 FVDVVWIFLFISIYWWGY 259
Cdd:pfam00510 241 FVDVVWLFLYVSVYWWGS 258
COX3 MTH00099
cytochrome c oxidase subunit III; Validated
4-258 1.43e-116

cytochrome c oxidase subunit III; Validated


Pssm-ID: 177161  Cd Length: 261  Bit Score: 334.39  E-value: 1.43e-116
                         10        20        30        40        50        60        70        80
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 288903170   4 HPFHIVDASPWPLTGSIGAFCFTAGMAAYFNKYDQYLMYLGFFLILLTMVQWWRDVTREATFQGKHTAKVESGMRLGMIL 83
Cdd:MTH00099   6 HAYHMVNPSPWPLTGALSALLMTSGLIMWFHFNSTTLLTLGLLTNMLTMYQWWRDIIRESTFQGHHTPIVQKGLRYGMIL 85
                         90       100       110       120       130       140       150       160
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 288903170  84 FILSEVFFFLAFFWAYFHSALSPSIEIGAVWTPVGIQGINPFSVPLLNTVVLLSSGVTITWAHHCILAGYWTDTCNAFLA 163
Cdd:MTH00099  86 FIISEVFFFAGFFWAFYHSSLAPTPELGGCWPPTGITPLNPLEVPLLNTSVLLASGVSITWAHHSLMEGNRKHMLQALFI 165
                        170       180       190       200       210       220       230       240
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 288903170 164 TICLGVYFTLLQGFEYKVASFTIADSVYGSCFYLATGFHGFHVIIGTTFISVMYYRHIYFHFSKKHHFGFEASAWYWHFV 243
Cdd:MTH00099 166 TILLGLYFTLLQASEYYEAPFTISDGIYGSTFFMATGFHGLHVIIGSTFLIVCFLRQLKFHFTSNHHFGFEAAAWYWHFV 245
                        250
                 ....*....|....*
gi 288903170 244 DVVWIFLFISIYWWG 258
Cdd:MTH00099 246 DVVWLFLYVSIYWWG 260
COX3 MTH00075
cytochrome c oxidase subunit III; Provisional
4-258 1.77e-116

cytochrome c oxidase subunit III; Provisional


Pssm-ID: 177146  Cd Length: 261  Bit Score: 334.02  E-value: 1.77e-116
                         10        20        30        40        50        60        70        80
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 288903170   4 HPFHIVDASPWPLTGSIGAFCFTAGMAAYFNKYDQYLMYLGFFLILLTMVQWWRDVTREATFQGKHTAKVESGMRLGMIL 83
Cdd:MTH00075   6 HAFHMVDPSPWPLTGAIAALLLTSGLAMWFHFGSMIIMLLGLIIMLLTMFQWWRDIVREGTFQGHHTPPVQKGLRYGMIL 85
                         90       100       110       120       130       140       150       160
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 288903170  84 FILSEVFFFLAFFWAYFHSALSPSIEIGAVWTPVGIQGINPFSVPLLNTVVLLSSGVTITWAHHCILAGYWTDTCNAFLA 163
Cdd:MTH00075  86 FITSEVFFFLGFFWAFYNSSLAPTPELGECWPPTGITPLDPFEVPLLNTAVLLASGVTVTWAHHSIMQGNRKEAIQSLAL 165
                        170       180       190       200       210       220       230       240
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 288903170 164 TICLGVYFTLLQGFEYKVASFTIADSVYGSCFYLATGFHGFHVIIGTTFISVMYYRHIYFHFSKKHHFGFEASAWYWHFV 243
Cdd:MTH00075 166 TIILGLYFTLLQAMEYYEAPFTIADGVYGSTFFVATGFHGLHVIIGSLFLLVCLLRQINFHFTSQHHFGFEAAAWYWHFV 245
                        250
                 ....*....|....*
gi 288903170 244 DVVWIFLFISIYWWG 258
Cdd:MTH00075 246 DVVWLFLYVSIYWWG 260
COX3 MTH00024
cytochrome c oxidase subunit III; Validated
4-258 9.67e-113

cytochrome c oxidase subunit III; Validated


Pssm-ID: 214403  Cd Length: 261  Bit Score: 324.78  E-value: 9.67e-113
                         10        20        30        40        50        60        70        80
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 288903170   4 HPFHIVDASPWPLTGSIGAFCFTAGMAAYFNKYDQYLMYLGFFLILLTMVQWWRDVTREATFQGKHTAKVESGMRLGMIL 83
Cdd:MTH00024   6 HPYHLVEPSPWPFLGAGGAFFITVGSVVYFHYGFSFILYLGLLVIVGVMFVWWQDVIRESTFQGHHSLIVKQGLKYGMLL 85
                         90       100       110       120       130       140       150       160
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 288903170  84 FILSEVFFFLAFFWAYFHSALSPSIEIGAVWTPVGIQGINPFSVPLLNTVVLLSSGVTITWAHHCILAGYWTDTCNAFLA 163
Cdd:MTH00024  86 FILSEVLFFFSFFWAFFHSSLAPAVELGVVWPPQGINPLNPFSVPLLNTAVLLSSGATVTWAHHAIISGKRKEAILGLFL 165
                        170       180       190       200       210       220       230       240
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 288903170 164 TICLGVYFTLLQGFEYKVASFTIADSVYGSCFYLATGFHGFHVIIGTTFISVMYYRHIYFHFSKKHHFGFEASAWYWHFV 243
Cdd:MTH00024 166 TVFLGVLFTGLQAIEYYEAPFAISDSVYGSTFFVATGFHGLHVIIGTTFLFVCLLRLLSNQFTRRQHVGFEAASWYWHFV 245
                        250
                 ....*....|....*
gi 288903170 244 DVVWIFLFISIYWWG 258
Cdd:MTH00024 246 DVVWLFLYLCIYWWG 260
COX3 MTH00009
cytochrome c oxidase subunit III; Validated
1-258 1.01e-110

cytochrome c oxidase subunit III; Validated


Pssm-ID: 177101  Cd Length: 259  Bit Score: 319.47  E-value: 1.01e-110
                         10        20        30        40        50        60        70        80
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 288903170   1 MTKHPFHIVDASPWPLTGSIGAFCFTAGMAAYFNKYDQYLMYLGFFLILLTMVQWWRDVTREATFQGKHTAKVESGMRLG 80
Cdd:MTH00009   1 MIRQPFHLVEYSPWPLTGSIGAFTLTVGLASWFHGYGTLCLILGLIIIILTMIQWWRDVIREGTYMGHHTSYVTKGLRWG 80
                         90       100       110       120       130       140       150       160
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 288903170  81 MILFILSEVFFFLAFFWAYFHSALSPSIEIGAVWTPVGIQGINPFSVPLLNTVVLLSSGVTITWAHHCILAGYWTDTCNA 160
Cdd:MTH00009  81 MILFIASEVMFFFAFFWAFFHSSLAPTPELGCSWPPTGIEPLNPFSVPLLNTAVLLASGVTVTWAHHSLIEGDRPEATQA 160
                        170       180       190       200       210       220       230       240
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 288903170 161 FLATICLGVYFTLLQGFEYKVASFTIADSVYGSCFYLATGFHGFHVIIGTTFISVMYYRHIYFHFSKKHHFGFEASAWYW 240
Cdd:MTH00009 161 LILTVLLGAYFTFLQAGEYIEAPFTIADSVYGSTFFVATGFHGLHVLIGSSFLFVCLLRTWSHHFSTGHHFGFEAAAWYW 240
                        250
                 ....*....|....*...
gi 288903170 241 HFVDVVWIFLFISIYWWG 258
Cdd:MTH00009 241 HFVDVVWIFLYLCIYWWG 258
COX3 MTH00052
cytochrome c oxidase subunit III; Provisional
4-258 2.48e-109

cytochrome c oxidase subunit III; Provisional


Pssm-ID: 164623  Cd Length: 262  Bit Score: 315.96  E-value: 2.48e-109
                         10        20        30        40        50        60        70        80
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 288903170   4 HPFHIVDASPWPLTGSIGAFCFTAGMAAYFNKYDQYLMYLGFFLILLTMVQWWRDVTREATFQGKHTAKVESGMRLGMIL 83
Cdd:MTH00052   7 HPYHLVDPSPWPYIGGCGALFTTVGGVMYFHYSQSWVLILGLITIIFTMVVWWRDVIRESTYQGHHTLIVKQGLKYGMIL 86
                         90       100       110       120       130       140       150       160
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 288903170  84 FILSEVFFFLAFFWAYFHSALSPSIEIGAVWTPVGIQGINPFSVPLLNTVVLLSSGVTITWAHHCILAGYWTDTCNAFLA 163
Cdd:MTH00052  87 FIVSEVCLFFSFFWAFFHSSLAPTIEIGAVWPPRGVDPLNPFSVPLLNTAVLLSSGATVTWAHHGIISGKRKEAIIGLAL 166
                        170       180       190       200       210       220       230       240
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 288903170 164 TICLGVYFTLLQGFEYKVASFTIADSVYGSCFYLATGFHGFHVIIGTTFISVMYYRHIYFHFSKKHHFGFEASAWYWHFV 243
Cdd:MTH00052 167 TVALGLLFTGLQAMEYYEAPFTISDSVYGSTFFVTTGAHGGHVLIGSSFLLVCLFRLINHQFTRHHHFGFEAAAWYWHFV 246
                        250
                 ....*....|....*
gi 288903170 244 DVVWIFLFISIYWWG 258
Cdd:MTH00052 247 DVVWLFLFIFMYWWG 261
COX3 MTH00028
cytochrome c oxidase subunit III; Provisional
4-258 1.57e-98

cytochrome c oxidase subunit III; Provisional


Pssm-ID: 214406  Cd Length: 297  Bit Score: 290.04  E-value: 1.57e-98
                         10        20        30        40        50        60        70        80
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 288903170   4 HPFHIVDASPWPLTGSIGAFCFTAGMAAYFNKYDQYLMYLGFFLILLTMVQWWRDVTREATFQGKHTAKVESGMRLGMIL 83
Cdd:MTH00028   6 HPYHLVDPSPWPFVGASGAFLFTSGAVILFHYSDYRLALTGLFLIIITASAWWRDVIREGTHQGHHTQIVVRGLKLGMLL 85
                         90       100       110       120       130       140       150       160
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 288903170  84 FILSEVFFFLAFFWAYFHSALSPSIEIGAVWTPVGIQGINPFSVPLLNTVVLLSSGVTITWAHHCILAG----------- 152
Cdd:MTH00028  86 FILSEVCLFFAFFWAFFHSSLAPSVELGSVWPPKGIEALDPFAVPLLNTTILLSSGATVTWAHHAIIGTgnpaslekgtq 165
                        170       180       190       200       210       220       230       240
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 288903170 153 -------------------------YWTDTCNAFLATICLGVYFTLLQGFEYKVASFTIADSVYGSCFYLATGFHGFHVI 207
Cdd:MTH00028 166 giegpnpsngappdpqkgptfllsdFRTNAVIGLLMTILLGIIFTGLQAFEYKEASFAISDSVYGSTFFMLTGTHGLHVL 245
                        250       260       270       280       290
                 ....*....|....*....|....*....|....*....|....*....|.
gi 288903170 208 IGTTFISVMYYRHIYFHFSKKHHFGFEASAWYWHFVDVVWIFLFISIYWWG 258
Cdd:MTH00028 246 VGTTFLIVCFIRLLSNQFTNSHHLGLEAAIWYWHFVDVVWLFLYVFVYWWG 296
PLN02194 PLN02194
cytochrome-c oxidase
3-258 6.93e-86

cytochrome-c oxidase


Pssm-ID: 177845  Cd Length: 265  Bit Score: 256.51  E-value: 6.93e-86
                         10        20        30        40        50        60        70        80
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 288903170   3 KHPFHIVDASPWPLTGSIGAFCFTAGMAAYFNKYD--QYLMYLGFFLILLTMVQWWRDVTREATFQGKHTAKVESGMRLG 80
Cdd:PLN02194   6 RHSYHLVDPSPWPISGSLGALATTVGGVMYMHPFQggARLLSLGLIFILYTMFVWWRDVLRESTLEGHHTKVVQLGPRYG 85
                         90       100       110       120       130       140       150       160
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 288903170  81 MILFILSEVFFFLAFFWAYFHSALSPSIEIGAVWTPVGIQGINPFSVPLLNTVVLLSSGVTITWAHHCILAGYWTDTCNA 160
Cdd:PLN02194  86 SILFIVSEVMFFFAFFWASSHSSLAPAVEIGGIWPPKGIEVLDPWEIPFLNTPILPSSGAAVTWAHHAILAGKEKRAVYA 165
                        170       180       190       200       210       220       230       240
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 288903170 161 FLATICLGVYFTLLQGFEYKVASFTIADSVYGSCFYLATGFHGFHVIIGTTFISVMYYRHIYFHFSKKHHFGFEASAWYW 240
Cdd:PLN02194 166 LVATVLLALVFTGFQGMEYYQAPFTISDSIYGSTFFLATGFHGFHVIIGTLFLIICGIRQYLGHLTKEHHVGFEAAAWYW 245
                        250
                 ....*....|....*...
gi 288903170 241 HFVDVVWIFLFISIYWWG 258
Cdd:PLN02194 246 HFVDVVWLFLFVSIYWWG 263
COX3 MTH00083
cytochrome c oxidase subunit III; Provisional
4-259 1.20e-70

cytochrome c oxidase subunit III; Provisional


Pssm-ID: 177150  Cd Length: 256  Bit Score: 217.52  E-value: 1.20e-70
                         10        20        30        40        50        60        70        80
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 288903170   4 HPFHIVDASPWPLTGSIGAFCFTAGMAAYFNKYDQYLMYLGFFLILLTMVQWWRDVTREAtFQGKHTAKVESGMRLGMIL 83
Cdd:MTH00083   3 HNFHILSLSSYPYMMFFSSLGLTSSLVVFFKYGLFYSFFFSLLYLLFISFLWGKDISMEG-LSGYHNFFVMDGFKFGMIL 81
                         90       100       110       120       130       140       150       160
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 288903170  84 FILSEVFFFLAFFWAYFHSALSPSIEIGAVWTPVGIQGINPFSVPLLNTVVLLSSGVTITWAHHCILAGYwTDTCNAFLA 163
Cdd:MTH00083  82 FIFSEFMFFFSIFWTFFDAALVPVHELGGVWSPIGIHLVNYLGVPLLNTIILLSSGVSVTWSHHSLCLSN-KSCTNSLLL 160
                        170       180       190       200       210       220       230       240
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 288903170 164 TICLGVYFTLLQGFEYKVASFTIADSVYGSCFYLATGFHGFHVIIGTTFISVMYYRHIYFHFSKKHHFGFEASAWYWHFV 243
Cdd:MTH00083 161 TCFLGLYFTSFQLMEYKEASFSISDSIYGSIFYLGTGFHGIHVLCGGLFLLFNLLRLLKSHFNYNHHLGLEFAILYWHFV 240
                        250
                 ....*....|....*.
gi 288903170 244 DVVWIFLFISIYWWGY 259
Cdd:MTH00083 241 DVVWLFLFVFVYWWSY 256
Heme_Cu_Oxidase_III_like cd00386
Heme-copper oxidase subunit III. Heme-copper oxidases are transmembrane protein complexes in ...
69-257 4.46e-67

Heme-copper oxidase subunit III. Heme-copper oxidases are transmembrane protein complexes in the respiratory chains of prokaryotes and mitochondria which couple the reduction of molecular oxygen to water to, proton pumping across the membrane. The heme-copper oxidase superfamily is diverse in terms of electron donors, subunit composition, and heme types. This superfamily includes cytochrome c and ubiquinol oxidases. Bacterial oxidases typically contain 3 or 4 subunits in contrast to the 13 subunit bovine cytochrome c oxidase (CcO). Subunits I, II, and III of mammalian CcO are encoded within the mitochondrial genome and the remaining 10 subunits are encoded within the nuclear genome. Subunits I, II and III of ubiquinol oxidase are homologous to the corresponding subunits in CcO. This group additionally contains proteins which are fusions between subunits I and III, such as Sulfolobus acidocaldarius SoxM, a subunit of the SoxM terminal oxidase complex. It also includes NorE which has been speculated to be a subunit of nitric oxide reductase. Some archaebacterial cytochrome oxidases lack subunit III. Although not required for catalytic activity, subunit III is believed to play a role in assembly of the multimer complex. Rhodobacter CcO subunit III stabilizes the integrity of the binuclear center in subunit I. It has been proposed that archaea acquired heme-copper oxidases through gene transfer from gram-positive bacteria.


Pssm-ID: 238227  Cd Length: 183  Bit Score: 205.90  E-value: 4.46e-67
                         10        20        30        40        50        60        70        80
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 288903170  69 HTAKVESGMRLGMILFILSEVFFFLAFFWAYFHSALSPSIEIGAvwtpvgiqGINPFSVPLLNTVVLLSSGVTITWAHHC 148
Cdd:cd00386    1 HTASVRSGGRLGMWLFILSEVMLFGSFFWAYFHSRLSPPVEFGA--------GLDPLDLPLLNTNTLLLSGSSVTWAHAS 72
                         90       100       110       120       130       140       150       160
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 288903170 149 ILAGYWTDTC--NAFLATICLGVYFTLLQGFEYKVASFTIADSVYGSCFYLATGFHGFHVIIGTTFISVMYYRHIYFHFS 226
Cdd:cd00386   73 LAARRGNRKKarLWLLLTILLGLAFLGLQAYEYSHLIFTISDSVFGSTFFLLTGFHGLHVIIGLIFLLVVLIRLRRGHFT 152
                        170       180       190
                 ....*....|....*....|....*....|.
gi 288903170 227 KKHHFGFEASAWYWHFVDVVWIFLFISIYWW 257
Cdd:cd00386  153 PRHHLGLEAAALYWHFVDVVWLFLFPLVYLW 183
CyoC COG1845
Heme/copper-type cytochrome/quinol oxidase, subunit 3 [Energy production and conversion];
69-257 2.24e-50

Heme/copper-type cytochrome/quinol oxidase, subunit 3 [Energy production and conversion];


Pssm-ID: 441450  Cd Length: 192  Bit Score: 163.48  E-value: 2.24e-50
                         10        20        30        40        50        60        70        80
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 288903170  69 HTAKVESGMRLGMILFILSEVFFFLAFFWAYFHSALSpsieigAVWTPVGIQGINPfSVPLLNTVVLLSSGVTITWAHHC 148
Cdd:COG1845    8 HAPERRSPGKLGMWLFLASEVMLFAALFAAYFVLRAS------APDWPAGAELLDL-PLPLINTLLLLLSSFTVALAVRA 80
                         90       100       110       120       130       140       150       160
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 288903170 149 ILAGYWTDTCNAFLATICLGVYFTLLQGFEYKVAS---FTIADSVYGSCFYLATGFHGFHVIIGTTFISVMYYRHIYFHF 225
Cdd:COG1845   81 ARRGDRKGLRLWLLLTLLLGLAFLGLQAYEYSHLIaegLTPTSNAFGSFFFLLTGFHGLHVIIGLIWLLVVLVRALRGGF 160
                        170       180       190
                 ....*....|....*....|....*....|..
gi 288903170 226 SKKHHFGFEASAWYWHFVDVVWIFLFISIYWW 257
Cdd:COG1845  161 TPENHTGVEAAALYWHFVDVVWIFLFALVYLL 192
NorE_like cd02862
NorE_like subfamily of heme-copper oxidase subunit III. Heme-copper oxidases include ...
78-255 1.01e-22

NorE_like subfamily of heme-copper oxidase subunit III. Heme-copper oxidases include cytochrome c and ubiquinol oxidases. Alcaligenes faecalis norE is found in a gene cluster containing norCB. norCB encodes the cytochrome c and cytochrome b subunits of nitric oxide reductase (NOR). Based on this and on its similarity to subunit III of cytochrome c oxidase (CcO) and ubiquinol oxidase, NorE has been speculated to be a subunit of NOR.


Pssm-ID: 239213  Cd Length: 186  Bit Score: 91.53  E-value: 1.01e-22
                         10        20        30        40        50        60        70        80
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 288903170  78 RLGMILFILSEVFFFLAFFWAYF-HSALSPSIeigavwTPVGIQGINPFSvPLLNTVVLLSSGVTITWAHHCILAGYWTD 156
Cdd:cd02862   10 KLGMWVFILSELLAFGALFIAYAvYRALYPEL------FAAGSAHLDLLL-GALNTLVLLTSSFTVALAVRAARAGRRRR 82
                         90       100       110       120       130       140       150       160
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 288903170 157 TCNAFLATICLGVYFTLLQGFEYK---VASFTIADSVYGSCFYLATGFHGFHVIIGTTFISVMYYRHIYFHFSKKHHFGF 233
Cdd:cd02862   83 ARRWLAAAVLLGLVFLVIKYFEYAhkiAAGIDPDAGLFFTLYFLLTGFHLLHVLIGLGILLWVAWRARRGRYSARDYEGV 162
                        170       180
                 ....*....|....*....|..
gi 288903170 234 EASAWYWHFVDVVWIFLFISIY 255
Cdd:cd02862  163 EAAALYWHMVDLVWIVLFPLLY 184
Heme_Cu_Oxidase_III_2 cd02865
Heme-copper oxidase subunit III subfamily. Heme-copper oxidases are transmembrane protein ...
75-257 1.16e-19

Heme-copper oxidase subunit III subfamily. Heme-copper oxidases are transmembrane protein complexes in the respiratory chains of prokaryotes and mitochondria which couple the reduction of molecular oxygen to water to, proton pumping across the membrane. The heme-copper oxidase superfamily is diverse in terms of electron donors, subunit composition, and heme types. This superfamily includes cytochrome c and ubiquinol oxidases. Bacterial oxidases typically contain 3 or 4 subunits in contrast to the 13 subunit bovine cytochrome c oxidase (CcO). Subunits I, II, and III of mammalian CcO are encoded within the mitochondrial genome and the remaining 10 subunits are encoded within the nuclear genome. Subunits I, II and III of ubiquinol oxidase are homologous to the corresponding subunits in CcO. Although not required for catalytic activity, subunit III is believed to play a role in assembly of the multimer complex. Rhodobacter CcO subunit III stabilizes the integrity of the binuclear center in subunit I. It has been proposed that Archaea acquired heme-copper oxidases through gene transfer from Gram-positive bacteria.


Pssm-ID: 239216  Cd Length: 184  Bit Score: 83.57  E-value: 1.16e-19
                         10        20        30        40        50        60        70        80
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 288903170  75 SGMRLGMILFILSEVFFFLAFFWAYFHSALSpsieiGAVWTPVGIQGINpfsVPLLNTVVLLSSGVTITWAHHCILAGYW 154
Cdd:cd02865    7 SPGWWGLWVFMAVEGTLFALLISAYFMRMTS-----GDWQPGAPLPLPN---LLSLNTAVLAASSVAMQWARRAARRNRR 78
                         90       100       110       120       130       140       150       160
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 288903170 155 TDTCNAFLATICLGVYFTLLQGFEYKVASF---TIADSVYGSCFYLATGFHGFHVIIGTTFISVMYYRHIYFHFSKKHHF 231
Cdd:cd02865   79 VLARLGLALAGALALAFLAGQLLAWHALNDagyGPTSNPAGSFFYLLTGLHGLHVIGGLVALAIVLAGLIRGHYGPRRRL 158
                        170       180
                 ....*....|....*....|....*.
gi 288903170 232 GFEASAWYWHFVDVVWIFLFISIYWW 257
Cdd:cd02865  159 PVELCALYWHFLLLVWLVLLALLYGT 184
Heme_Cu_Oxidase_III_1 cd02864
Heme-copper oxidase subunit III subfamily. Heme-copper oxidases are transmembrane protein ...
69-257 2.29e-16

Heme-copper oxidase subunit III subfamily. Heme-copper oxidases are transmembrane protein complexes in the respiratory chains of prokaryotes and mitochondria which couple the reduction of molecular oxygen to water to, proton pumping across the membrane. The heme-copper oxidase superfamily is diverse in terms of electron donors, subunit composition, and heme types. This superfamily includes cytochrome c and ubiquinol oxidases. Bacterial oxidases typically contain 3 or 4 subunits in contrast to the 13 subunit bovine cytochrome c oxidase (CcO). Subunits I, II, and III of mammalian CcO are encoded within the mitochondrial genome and the remaining 10 subunits are encoded within the nuclear genome. Subunits I, II and III of ubiquinol oxidase are homologous to the corresponding subunits in CcO. Although not required for catalytic activity, subunit III is believed to play a role in assembly of the multimer complex. Rhodobacter CcO subunit III stabilizes the integrity of the binuclear center in subunit I. It has been proposed that Archaea acquired heme-copper oxidases through gene transfer from Gram-positive bacteria.


Pssm-ID: 239215  Cd Length: 202  Bit Score: 75.23  E-value: 2.29e-16
                         10        20        30        40        50        60        70        80
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 288903170  69 HTAKVESGMRLGMILFILSEVFFFLAFFWAYFHSALSPSIEIGAVWTPVGIQgINPFSVPL----LNTVVLLSSGVTITW 144
Cdd:cd02864    1 REPFKVSWGKAMMWFFLLSDAFIFSSFLIAYMTARISTTEPWPLPSDVFALR-IGHFNIPLvliaIMTFILITSSGTMAM 79
                         90       100       110       120       130       140       150       160
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 288903170 145 AHHCILAGYWTDTCNAFLATICLGVYFTLLQGFEY---------KVASFTIADSVYGSCFYLATGFHGFHVIIGTTFISV 215
Cdd:cd02864   80 AVNFGYRGNRKAAARLMLATALLGATFVGMQAFEWtkliveegvRPWGNPWGAAQFGASFFMITGFHGTHVTIGVIYLII 159
                        170       180       190       200
                 ....*....|....*....|....*....|....*....|...
gi 288903170 216 MYYRHIYFHFSKKHHFG-FEASAWYWHFVDVVWIFLFISIYWW 257
Cdd:cd02864  160 IARKVWRGKYQRIGRYEiVEIAGLYWHFVDLVWVFIFAFFYLW 202
COX3 MTH00049
cytochrome c oxidase subunit III; Validated
83-255 3.61e-13

cytochrome c oxidase subunit III; Validated


Pssm-ID: 177124  Cd Length: 215  Bit Score: 66.48  E-value: 3.61e-13
                         10        20        30        40        50        60        70        80
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 288903170  83 LFILSEVFFFLAFFWAYFHSALSPSIEIGAvwtpvgiqginPFSVPLLNTVVLLSSGVTITWAHHCILagywTDTCNAFL 162
Cdd:MTH00049  59 LFILSEVIIFGSLLVCCLWFDDWSYISLSS-----------SLEIPFVGCFLLLGSSITVTAYHHLLG----WKYCDLFL 123
                         90       100       110       120       130       140       150       160
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 288903170 163 -ATICLGVYFTLLQGFEYKVASFTIADSVYGSCFYLATGFHGFHVIIGTTFISVMyyrhIYFHFSKKHHFGFEASAWYWH 241
Cdd:MTH00049 124 yLTILLGLLFVVLQVFEFEESGVNSLDSSYYASCFCTVGLHFSHVVLGVVGLSTL----LLVGSSSFGVYRSTVLTWYWH 199
                        170
                 ....*....|....
gi 288903170 242 FVDVVWIFLFISIY 255
Cdd:MTH00049 200 FVDYIWLLVYLIVY 213
Ubiquinol_oxidase_III cd02863
Ubiquinol oxidase subunit III subfamily. Ubiquinol oxidase, the terminal oxidase in the ...
69-255 7.83e-13

Ubiquinol oxidase subunit III subfamily. Ubiquinol oxidase, the terminal oxidase in the respiratory chains of aerobic bacteria, is a multi-chain transmembrane protein located in the cell membrane. It catalyzes the reduction of O2 and simultaneously pumps protons across the membrane. Ubiquinol oxidases feature four subunits in contrast to the 13 subunit bovine cytochrome c oxidase (CcO). Subunits I, II, and III of bovine CcO are encoded within the mitochondrial genome and the remaining 10 subunits are encoded within the nuclear genome. Subunits I, II and III of ubiquinol oxidase are homologous to the corresponding subunits in bovine CcO. Although not required for catalytic activity, subunit III appears to be involved in assembly of the multimer complex.


Pssm-ID: 239214  Cd Length: 186  Bit Score: 64.95  E-value: 7.83e-13
                         10        20        30        40        50        60        70        80
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 288903170  69 HTAKVESGMRLGMILFILSEVFFFLAFFWAYFhsALSPSIEIGAvwtpvgiQGINPFSVPL--LNTVVLLSSGVTITWAH 146
Cdd:cd02863    1 HHTNTGSKKILGFWIYLMSDCILFATLFATYA--VLSGNTAGGP-------PGHELFELPLvfIETFLLLLSSFTCGLAM 71
                         90       100       110       120       130       140       150       160
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 288903170 147 HCILAGYWTDTCNAFLATICLGVYFTLLQGFEYK---VASFTIADSVYGSCFYLATGFHGFHVIIGTTFISVMYYRHIYF 223
Cdd:cd02863   72 IAMNKNNKKKVILWLIITFLLGLGFVGMEIYEFHhliAEGAGPDRSAFLSAFFTLVGTHGLHVTFGLIWILVMIIQLKKR 151
                        170       180       190
                 ....*....|....*....|....*....|..
gi 288903170 224 HFSKKHHFGFEASAWYWHFVDVVWIFLFISIY 255
Cdd:cd02863  152 GLTPDTARRLFCLSLFWHFLDIVWIFVFTVVY 183
CyoC TIGR02842
cytochrome o ubiquinol oxidase, subunit III; Cytochrome o terminal oxidase complex is the ...
79-258 5.83e-06

cytochrome o ubiquinol oxidase, subunit III; Cytochrome o terminal oxidase complex is the component of the aerobic respiratory chain which reacts with oxygen, reducing it to water with the concomitant transport of 4 protons across the membrane. Also known as the cytochrome bo complex, cytochrome o ubiquinol oxidase contains four subunits, two heme b cofactors and a copper atom which is believed to be the oxygen active site. This complex is structurally related to the cytochrome caa3 oxidases which utilize cytochrome c as the reductant and contain heme a cofactors, as well as the intermediate form aa3 oxidases which also react directly with quinones as the reductant. [Energy metabolism, Electron transport]


Pssm-ID: 131889  Cd Length: 180  Bit Score: 45.71  E-value: 5.83e-06
                          10        20        30        40        50        60        70        80
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 288903170   79 LGMILFILSEVFFFLAFFWAYFhsALSPSieigavwTPVGIQGINPFSVP--LLNTVVLLSSGVTITWAHHCILAGYWTD 156
Cdd:TIGR02842   3 FGFWLYLMSDCILFATLFATYA--VLSNN-------TAGGPSGKEIFDLPfvLVETFLLLLSSITFGFAMLAMNKKNKKM 73
                          90       100       110       120       130       140       150       160
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 288903170  157 TCNAFLATICLGVYFTLLQGFEYK---VASFTIADSVYGSCFYLATGFHGFHVIIGTTFISVMYYRHIYFHFSKKHHFGF 233
Cdd:TIGR02842  74 VILWLAITFLLGLGFIGMEIYEFYhliAEGNGPDRSAFLSAFFTLVGTHGLHVTSGLIWIIVMIIQVYKYGLTKINRRRL 153
                         170       180
                  ....*....|....*....|....*
gi 288903170  234 EASAWYWHFVDVVWIFLFISIYWWG 258
Cdd:TIGR02842 154 ACLSLFWHFLDIVWICVFTFVYLLG 178
QoxC TIGR02897
cytochrome aa3 quinol oxidase, subunit III; This family (QoxC) encodes subunit III of the ...
129-258 1.01e-05

cytochrome aa3 quinol oxidase, subunit III; This family (QoxC) encodes subunit III of the aa3-type quinone oxidase, one of several bacterial terminal oxidases. This complex couples oxidation of reduced quinones with the reduction of molecular oxygen to water and the pumping of protons to form a proton gradient utilized for ATP production. aa3-type oxidases contain two heme a cofactors as well as copper atoms in the active site. [Energy metabolism, Electron transport]


Pssm-ID: 131943  Cd Length: 190  Bit Score: 44.85  E-value: 1.01e-05
                          10        20        30        40        50        60        70        80
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 288903170  129 LLNTVVLLSSGVTITWAHHCILAGYWTDTCNAFLATICLGVYFTLLQGFE---YKVASFTIADSVYGSCFYLATGFHGFH 205
Cdd:TIGR02897  56 LIMTFLLLFSSFTCGIAIYEMRKENQKLMMFWMIITLLLGAGFVGFEIYEfahYASEGVTPQIGSYWSSFFVLLGTHGCH 135
                          90       100       110       120       130
                  ....*....|....*....|....*....|....*....|....*....|...
gi 288903170  206 VIIGTTFISVMYYRHIYFHFSKKHHFGFEASAWYWHFVDVVWIFLFISIYWWG 258
Cdd:TIGR02897 136 VTLGIVWAICLLIQIQRRGLTPYTAPKVFIVSLYWHFLDVVWVFIFTAVYLIG 188
PRK10663 PRK10663
cytochrome o ubiquinol oxidase subunit III; Provisional
115-258 1.64e-03

cytochrome o ubiquinol oxidase subunit III; Provisional


Pssm-ID: 182628  Cd Length: 204  Bit Score: 38.61  E-value: 1.64e-03
                         10        20        30        40        50        60        70        80
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 288903170 115 TPVGIQGINPFSVP--LLNTVVLLSSGVTITWAHHCILAGYWTDTCNAFLATICLGVYFTLLQGFEYK---VASFTIADS 189
Cdd:PRK10663  54 TAGGPTGKDIFELPfvLVETFLLLFSSITYGMAAIAMYKNNKSQVISWLALTFLFGAGFIGMEIYEFHhliVEGMGPDRS 133
                         90       100       110       120       130       140
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....
gi 288903170 190 VYGSCFYLATGFHGFHVIIGTTFISVMYYRHIYFHFSKKHHFGFEASAWYWHFVDVVWIFLFISIYWWG 258
Cdd:PRK10663 134 GFLSAFFALVGTHGLHVTSGLIWMAVLMVQVARRGLTSTNRTRIMCLSLFWHFLDVVWICVFTVVYLMG 202
 
Blast search parameters
Data Source: Precalculated data, version = cdd.v.3.21
Preset Options:Database: CDSEARCH/cdd   Low complexity filter: no  Composition Based Adjustment: yes   E-value threshold: 0.01

References:

  • Wang J et al. (2023), "The conserved domain database in 2023", Nucleic Acids Res.51(D)384-8.
  • Lu S et al. (2020), "The conserved domain database in 2020", Nucleic Acids Res.48(D)265-8.
  • Marchler-Bauer A et al. (2017), "CDD/SPARCLE: functional classification of proteins via subfamily domain architectures.", Nucleic Acids Res.45(D)200-3.
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