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Conserved domains on  [gi|270267458|ref|YP_003331155|]
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cytochrome c oxidase subunit III (mitochondrion) [Styela plicata]

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 1.60e-125

cytochrome c oxidase subunit III; Provisional


:

Pssm-ID: 177238  Cd Length: 260  Bit Score: 356.98  E-value: 1.60e-125
                         10        20        30        40        50        60        70        80
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 270267458   1 MFRMNPFHLVDASPWPIMGSFGAMFTAFGLVIWFHLGSLFFMFFGVFLIVFTKYVWWRDVVREASSLGFHLLQVMSGLRI 80
Cdd:MTH00189   1 MHQAHPFHLVDPSPWPLTGAIAALLLTSGLAMWFHYNSFILLFLGLILLLLTMIQWWRDVVRESTFQGFHTPPVQKGLRY 80
                         90       100       110       120       130       140       150       160
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 270267458  81 GMVLFITSEVLFFFGFFWTFFHSGLVPVVELGGVWPPFMLESLDPMAVPLLNTVVLLSSGVSVTYSHYSVINSNLTDGIM 160
Cdd:MTH00189  81 GMILFITSEVFFFLGFFWAFFHSSLAPTVELGMCWPPTGIEPLNPFEVPLLNTAVLLSSGVTVTWAHHSLMEGNRKEAIQ 160
                        170       180       190       200       210       220       230       240
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 270267458 161 GLVITLFLGFFFTLLQAFEYVQTSFTIADSVYGSIFFMATGFHGFHVFVGSVFLLVCLVRMVNGHVLSNHHIGYECAIWY 240
Cdd:MTH00189 161 ALTLTVILGVYFTLLQAMEYYEAPFTIADSVYGSTFFVATGFHGLHVIIGSTFLLVCLLRQIQGHFTSSHHFGFEAAAWY 240
                        250
                 ....*....|....*....
gi 270267458 241 WHFVDVVWIFLYSFVYMWG 259
Cdd:MTH00189 241 WHFVDVVWLFLYVSIYWWG 259
 
Name Accession Description Interval E-value
COX3 MTH00189
cytochrome c oxidase subunit III; Provisional
1-259 1.60e-125

cytochrome c oxidase subunit III; Provisional


Pssm-ID: 177238  Cd Length: 260  Bit Score: 356.98  E-value: 1.60e-125
                         10        20        30        40        50        60        70        80
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 270267458   1 MFRMNPFHLVDASPWPIMGSFGAMFTAFGLVIWFHLGSLFFMFFGVFLIVFTKYVWWRDVVREASSLGFHLLQVMSGLRI 80
Cdd:MTH00189   1 MHQAHPFHLVDPSPWPLTGAIAALLLTSGLAMWFHYNSFILLFLGLILLLLTMIQWWRDVVRESTFQGFHTPPVQKGLRY 80
                         90       100       110       120       130       140       150       160
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 270267458  81 GMVLFITSEVLFFFGFFWTFFHSGLVPVVELGGVWPPFMLESLDPMAVPLLNTVVLLSSGVSVTYSHYSVINSNLTDGIM 160
Cdd:MTH00189  81 GMILFITSEVFFFLGFFWAFFHSSLAPTVELGMCWPPTGIEPLNPFEVPLLNTAVLLSSGVTVTWAHHSLMEGNRKEAIQ 160
                        170       180       190       200       210       220       230       240
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 270267458 161 GLVITLFLGFFFTLLQAFEYVQTSFTIADSVYGSIFFMATGFHGFHVFVGSVFLLVCLVRMVNGHVLSNHHIGYECAIWY 240
Cdd:MTH00189 161 ALTLTVILGVYFTLLQAMEYYEAPFTIADSVYGSTFFVATGFHGLHVIIGSTFLLVCLLRQIQGHFTSSHHFGFEAAAWY 240
                        250
                 ....*....|....*....
gi 270267458 241 WHFVDVVWIFLYSFVYMWG 259
Cdd:MTH00189 241 WHFVDVVWLFLYVSIYWWG 259
Cyt_c_Oxidase_III cd01665
Cytochrome c oxidase subunit III. Cytochrome c oxidase (CcO), the terminal oxidase in the ...
17-258 1.15e-95

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: 280.56  E-value: 1.15e-95
                         10        20        30        40        50        60        70        80
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 270267458  17 IMGSFGAMFTAFGLVIWFHL-GSLFFMFFGVFLIVFTKYVWWRDVVREASSLGFHLLQVMSGLRIGMVLFITSEVLFFFG 95
Cdd:cd01665    1 ILGSFGLLLLALGLVLWMHGyGGPLLLFLGLILLILTMFLWWRDVIRESTFGGHHTKKVQKGLRLGMILFILSEVMFFFS 80
                         90       100       110       120       130       140       150       160
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 270267458  96 FFWTFFHSGLVPVVELGGVWPPFMLESLDPMAVPLLNTVVLLSSGVSVTYSHYSVINSNLTDGIMGLVITLFLGFFFTLL 175
Cdd:cd01665   81 FFWAFFHSSLSPSVELGGTWPPVGIEPLNPFGIPLLNTIILLSSGATVTWAHHALLLGNRKKAILGLILTILLGVYFTGL 160
                        170       180       190       200       210       220       230       240
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 270267458 176 QAFEYVQTSFTIADSVYGSIFFMATGFHGFHVFVGSVFLLVCLVRMVNGHVLSNHHIGYECAIWYWHFVDVVWIFLYSFV 255
Cdd:cd01665  161 QAYEYYEASFTISDSVYGSTFFMLTGFHGLHVIIGTIFLTVCLIRLLKGHFSSNHHLGFEAAIWYWHFVDVVWLFLFVFV 240

                 ...
gi 270267458 256 YMW 258
Cdd:cd01665  241 YWW 243
COX3 pfam00510
Cytochrome c oxidase subunit III;
6-259 1.23e-92

Cytochrome c oxidase subunit III;


Pssm-ID: 395410  Cd Length: 258  Bit Score: 273.52  E-value: 1.23e-92
                          10        20        30        40        50        60        70        80
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 270267458    6 PFHLVDASPWPIMGSFGAMFTAFGLVIWFH--LGSLFFMFFGVFLIVFTKYVWWRDVVREASSLGFHLLQVMSGLRIGMV 83
Cdd:pfam00510   2 PFHMVSPSPWPLFGSFALLLLTSGLVLWFHgySGNMTLFIIALFSLLLTMYLWFRDIIREGTFLGDHTFAVQKGLNLGMI 81
                          90       100       110       120       130       140       150       160
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 270267458   84 LFITSEVLFFFGFFWTFFHSGLVPVVELGGVWPPFMLESLDPMAVPLLNTVVLLSSGVSVTYSHYSVINSNLTDGIMGLV 163
Cdd:pfam00510  82 LFIISEVFFFLGIFWAFFHSALSPTVELGAQWPPVGIHPVNPFEVPLLNTIILLSSGVTVTYAHHSLIEGNRKQALQGLI 161
                         170       180       190       200       210       220       230       240
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 270267458  164 ITLFLGFFFTLLQAFEYVQTSFTIADSVYGSIFFMATGFHGFHVFVGSVFLLVCLVRMVNGHVLSNHHIGYECAIWYWHF 243
Cdd:pfam00510 162 LTILLAVYFTGLQAMEYTEASFTISDGVYGSTFYFATGFHGLHVIIGTAFLAVCFLRLLKYHLTDNHHFGFEAAILYWHF 241
                         250
                  ....*....|....*.
gi 270267458  244 VDVVWIFLYSFVYMWG 259
Cdd:pfam00510 242 VDVVWLFLYVSVYWWG 257
CyoC COG1845
Heme/copper-type cytochrome/quinol oxidase, subunit 3 [Energy production and conversion];
70-258 2.19e-31

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


Pssm-ID: 441450  Cd Length: 192  Bit Score: 114.56  E-value: 2.19e-31
                         10        20        30        40        50        60        70        80
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 270267458  70 HLLQVMSGLRIGMVLFITSEVLFFFGFFWTFFhsglvpVVELGGVWPPFMLESLDPmAVPLLNTVVLLSSGVSVTYSHYS 149
Cdd:COG1845    8 HAPERRSPGKLGMWLFLASEVMLFAALFAAYF------VLRASAPDWPAGAELLDL-PLPLINTLLLLLSSFTVALAVRA 80
                         90       100       110       120       130       140       150       160
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 270267458 150 VINSNLTDGIMGLVITLFLGFFFTLLQAFEY---VQTSFTIADSVYGSIFFMATGFHGFHVFVGSVFLLVCLVRMVNGHV 226
Cdd:COG1845   81 ARRGDRKGLRLWLLLTLLLGLAFLGLQAYEYshlIAEGLTPTSNAFGSFFFLLTGFHGLHVIIGLIWLLVVLVRALRGGF 160
                        170       180       190
                 ....*....|....*....|....*....|..
gi 270267458 227 LSNHHIGYECAIWYWHFVDVVWIFLYSFVYMW 258
Cdd:COG1845  161 TPENHTGVEAAALYWHFVDVVWIFLFALVYLL 192
CyoC TIGR02842
cytochrome o ubiquinol oxidase, subunit III; Cytochrome o terminal oxidase complex is the ...
130-259 1.97e-07

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: 49.95  E-value: 1.97e-07
                          10        20        30        40        50        60        70        80
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 270267458  130 LLNTVVLLSSGVSVTYSHYSVINSNLTDGIMGLVITLFLGFFFTLLQAFEY---VQTSFTIADSVYGSIFFMATGFHGFH 206
Cdd:TIGR02842  46 LVETFLLLLSSITFGFAMLAMNKKNKKMVILWLAITFLLGLGFIGMEIYEFyhlIAEGNGPDRSAFLSAFFTLVGTHGLH 125
                          90       100       110       120       130
                  ....*....|....*....|....*....|....*....|....*....|...
gi 270267458  207 VFVGSVFLLVCLVRMVNGHVLSNHHIGYECAIWYWHFVDVVWIFLYSFVYMWG 259
Cdd:TIGR02842 126 VTSGLIWIIVMIIQVYKYGLTKINRRRLACLSLFWHFLDIVWICVFTFVYLLG 178
 
Name Accession Description Interval E-value
COX3 MTH00189
cytochrome c oxidase subunit III; Provisional
1-259 1.60e-125

cytochrome c oxidase subunit III; Provisional


Pssm-ID: 177238  Cd Length: 260  Bit Score: 356.98  E-value: 1.60e-125
                         10        20        30        40        50        60        70        80
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 270267458   1 MFRMNPFHLVDASPWPIMGSFGAMFTAFGLVIWFHLGSLFFMFFGVFLIVFTKYVWWRDVVREASSLGFHLLQVMSGLRI 80
Cdd:MTH00189   1 MHQAHPFHLVDPSPWPLTGAIAALLLTSGLAMWFHYNSFILLFLGLILLLLTMIQWWRDVVRESTFQGFHTPPVQKGLRY 80
                         90       100       110       120       130       140       150       160
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 270267458  81 GMVLFITSEVLFFFGFFWTFFHSGLVPVVELGGVWPPFMLESLDPMAVPLLNTVVLLSSGVSVTYSHYSVINSNLTDGIM 160
Cdd:MTH00189  81 GMILFITSEVFFFLGFFWAFFHSSLAPTVELGMCWPPTGIEPLNPFEVPLLNTAVLLSSGVTVTWAHHSLMEGNRKEAIQ 160
                        170       180       190       200       210       220       230       240
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 270267458 161 GLVITLFLGFFFTLLQAFEYVQTSFTIADSVYGSIFFMATGFHGFHVFVGSVFLLVCLVRMVNGHVLSNHHIGYECAIWY 240
Cdd:MTH00189 161 ALTLTVILGVYFTLLQAMEYYEAPFTIADSVYGSTFFVATGFHGLHVIIGSTFLLVCLLRQIQGHFTSSHHFGFEAAAWY 240
                        250
                 ....*....|....*....
gi 270267458 241 WHFVDVVWIFLYSFVYMWG 259
Cdd:MTH00189 241 WHFVDVVWLFLYVSIYWWG 259
COX3 MTH00155
cytochrome c oxidase subunit III; Provisional
5-256 3.33e-106

cytochrome c oxidase subunit III; Provisional


Pssm-ID: 214439  Cd Length: 255  Bit Score: 307.88  E-value: 3.33e-106
                         10        20        30        40        50        60        70        80
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 270267458   5 NPFHLVDASPWPIMGSFGAMFTAFGLVIWFHLGSLFFMFFGVFLIVFTKYVWWRDVVREASSLGFHLLQVMSGLRIGMVL 84
Cdd:MTH00155   4 HPFHLVDYSPWPLTGSIGAMTLTSGLIKWFHQFNMNLLILGLIITLLTMFQWWRDVIREGTFQGLHTKKVTKGLRWGMIL 83
                         90       100       110       120       130       140       150       160
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 270267458  85 FITSEVLFFFGFFWTFFHSGLVPVVELGGVWPPFMLESLDPMAVPLLNTVVLLSSGVSVTYSHYSVINSNLTDGIMGLVI 164
Cdd:MTH00155  84 FIVSEVFFFISFFWAFFHSSLSPNIELGMIWPPKGIIPFNPFQIPLLNTIILLSSGVTVTWAHHSLMENNYKQATQSLFF 163
                        170       180       190       200       210       220       230       240
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 270267458 165 TLFLGFFFTLLQAFEYVQTSFTIADSVYGSIFFMATGFHGFHVFVGSVFLLVCLVRMVNGHVLSNHHIGYECAIWYWHFV 244
Cdd:MTH00155 164 TIILGIYFTMLQAYEYYEAPFTIADSVYGSTFFMATGFHGLHVIIGTTFLLVCLIRHLNNHFSSNHHFGFEAAAWYWHFV 243
                        250
                 ....*....|..
gi 270267458 245 DVVWIFLYSFVY 256
Cdd:MTH00155 244 DVVWLFLYISIY 255
COX3 MTH00039
cytochrome c oxidase subunit III; Validated
1-260 7.06e-102

cytochrome c oxidase subunit III; Validated


Pssm-ID: 177114  Cd Length: 260  Bit Score: 297.02  E-value: 7.06e-102
                         10        20        30        40        50        60        70        80
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 270267458   1 MFRMNPFHLVDASPWPIMGSFGAMFTAFGLVIWFHLGSLFFMFFGVFLIVFTKYVWWRDVVREASSLGFHLLQVMSGLRI 80
Cdd:MTH00039   1 MTHQHPYHLVDQSPWPLTAAIGALIMTSGLVLWFHGDSILLLLLGLLLLILTSINWWRDVIREATFQGMHTLIVINGLRY 80
                         90       100       110       120       130       140       150       160
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 270267458  81 GMVLFITSEVLFFFGFFWTFFHSGLVPVVELGGVWPPFMLESLDPMAVPLLNTVVLLSSGVSVTYSHYSVINSNLTDGIM 160
Cdd:MTH00039  81 GMILFITSEVCFFFAFFWAFFHSSLAPTVEIGVSWPPTGINPINPFLVPLLNTAVLLSSGVTITWSHHSILEGNRTEAIQ 160
                        170       180       190       200       210       220       230       240
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 270267458 161 GLVITLFLGFFFTLLQAFEYVQTSFTIADSVYGSIFFMATGFHGFHVFVGSVFLLVCLVRMVNGHVLSNHHIGYECAIWY 240
Cdd:MTH00039 161 ALFLTVLLGLYFTALQAWEYYDAPFTIADSVYGSTFFVATGFHGLHVIIGTTFLAVCLFRLINHHFSNNHHFGFEAAAWY 240
                        250       260
                 ....*....|....*....|
gi 270267458 241 WHFVDVVWIFLYSFVYMWGG 260
Cdd:MTH00039 241 WHFVDVVWLFLYVCIYWWGS 260
COX3 MTH00118
cytochrome c oxidase subunit III; Provisional
4-259 9.01e-102

cytochrome c oxidase subunit III; Provisional


Pssm-ID: 177179  Cd Length: 261  Bit Score: 296.86  E-value: 9.01e-102
                         10        20        30        40        50        60        70        80
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 270267458   4 MNPFHLVDASPWPIMGSFGAMFTAFGLVIWFHLGSLFFMFFGVFLIVFTKYVWWRDVVREASSLGFHLLQVMSGLRIGMV 83
Cdd:MTH00118   5 AHPYHMVDPSPWPLTGAMAALLLTSGLAMWFHYNSTTLLKLGLLSMLLTMLQWWRDIVRESTFQGHHTPTVQKGLRYGMI 84
                         90       100       110       120       130       140       150       160
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 270267458  84 LFITSEVLFFFGFFWTFFHSGLVPVVELGGVWPPFMLESLDPMAVPLLNTVVLLSSGVSVTYSHYSVINSNLTDGIMGLV 163
Cdd:MTH00118  85 LFITSEVFFFLGFFWAFYHSSLAPTPELGGQWPPTGIKPLNPFEVPLLNTAVLLASGVTVTWAHHSIMEGNRKQAIQALT 164
                        170       180       190       200       210       220       230       240
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 270267458 164 ITLFLGFFFTLLQAFEYVQTSFTIADSVYGSIFFMATGFHGFHVFVGSVFLLVCLVRMVNGHVLSNHHIGYECAIWYWHF 243
Cdd:MTH00118 165 LTILLGLYFTALQAMEYYEAPFTISDSVYGSTFFVATGFHGLHVIIGSTFLIVCLLRLIKFHFTTNHHFGFEAAAWYWHF 244
                        250
                 ....*....|....*.
gi 270267458 244 VDVVWIFLYSFVYMWG 259
Cdd:MTH00118 245 VDVVWLFLYISIYWWG 260
COX3 MTH00141
cytochrome c oxidase subunit III; Provisional
5-260 2.72e-99

cytochrome c oxidase subunit III; Provisional


Pssm-ID: 177199  Cd Length: 259  Bit Score: 290.25  E-value: 2.72e-99
                         10        20        30        40        50        60        70        80
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 270267458   5 NPFHLVDASPWPIMGSFGAMFTAFGLVIWFHLGSLFFMFFGVFLIVFTKYVWWRDVVREASSLGFHLLQVMSGLRIGMVL 84
Cdd:MTH00141   4 NPFHLVEFSPWPLTGSIGALFLTVGLVSWFHGGSFLLLVLGLVLIVLTMFQWWRDIVRESTFQGFHTSKVQRGLRWGFIL 83
                         90       100       110       120       130       140       150       160
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 270267458  85 FITSEVLFFFGFFWTFFHSGLVPVVELGGVWPPFMLESLDPMAVPLLNTVVLLSSGVSVTYSHYSVINSNLTDGIMGLVI 164
Cdd:MTH00141  84 FIVSEVCFFFAFFWAYFHSSLAPSVEIGCCWPPVGIEPLNPFQVPLLNTAVLLASGVTVTWAHHSLMEGDYKSALQGLGL 163
                        170       180       190       200       210       220       230       240
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 270267458 165 TLFLGFFFTLLQAFEYVQTSFTIADSVYGSIFFMATGFHGFHVFVGSVFLLVCLVRMVNGHVLSNHHIGYECAIWYWHFV 244
Cdd:MTH00141 164 TIILGVYFTFLQAGEYYEASFSIADGVYGSTFFVLTGFHGLHVIIGTTFLLVCLVRLLLGHFSTNHHFGFEAAAWYWHFV 243
                        250
                 ....*....|....*.
gi 270267458 245 DVVWIFLYSFVYMWGG 260
Cdd:MTH00141 244 DVVWLFLYLSIYWWGS 259
Cyt_c_Oxidase_III cd01665
Cytochrome c oxidase subunit III. Cytochrome c oxidase (CcO), the terminal oxidase in the ...
17-258 1.15e-95

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: 280.56  E-value: 1.15e-95
                         10        20        30        40        50        60        70        80
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 270267458  17 IMGSFGAMFTAFGLVIWFHL-GSLFFMFFGVFLIVFTKYVWWRDVVREASSLGFHLLQVMSGLRIGMVLFITSEVLFFFG 95
Cdd:cd01665    1 ILGSFGLLLLALGLVLWMHGyGGPLLLFLGLILLILTMFLWWRDVIRESTFGGHHTKKVQKGLRLGMILFILSEVMFFFS 80
                         90       100       110       120       130       140       150       160
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 270267458  96 FFWTFFHSGLVPVVELGGVWPPFMLESLDPMAVPLLNTVVLLSSGVSVTYSHYSVINSNLTDGIMGLVITLFLGFFFTLL 175
Cdd:cd01665   81 FFWAFFHSSLSPSVELGGTWPPVGIEPLNPFGIPLLNTIILLSSGATVTWAHHALLLGNRKKAILGLILTILLGVYFTGL 160
                        170       180       190       200       210       220       230       240
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 270267458 176 QAFEYVQTSFTIADSVYGSIFFMATGFHGFHVFVGSVFLLVCLVRMVNGHVLSNHHIGYECAIWYWHFVDVVWIFLYSFV 255
Cdd:cd01665  161 QAYEYYEASFTISDSVYGSTFFMLTGFHGLHVIIGTIFLTVCLIRLLKGHFSSNHHLGFEAAIWYWHFVDVVWLFLFVFV 240

                 ...
gi 270267458 256 YMW 258
Cdd:cd01665  241 YWW 243
COX3 pfam00510
Cytochrome c oxidase subunit III;
6-259 1.23e-92

Cytochrome c oxidase subunit III;


Pssm-ID: 395410  Cd Length: 258  Bit Score: 273.52  E-value: 1.23e-92
                          10        20        30        40        50        60        70        80
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 270267458    6 PFHLVDASPWPIMGSFGAMFTAFGLVIWFH--LGSLFFMFFGVFLIVFTKYVWWRDVVREASSLGFHLLQVMSGLRIGMV 83
Cdd:pfam00510   2 PFHMVSPSPWPLFGSFALLLLTSGLVLWFHgySGNMTLFIIALFSLLLTMYLWFRDIIREGTFLGDHTFAVQKGLNLGMI 81
                          90       100       110       120       130       140       150       160
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 270267458   84 LFITSEVLFFFGFFWTFFHSGLVPVVELGGVWPPFMLESLDPMAVPLLNTVVLLSSGVSVTYSHYSVINSNLTDGIMGLV 163
Cdd:pfam00510  82 LFIISEVFFFLGIFWAFFHSALSPTVELGAQWPPVGIHPVNPFEVPLLNTIILLSSGVTVTYAHHSLIEGNRKQALQGLI 161
                         170       180       190       200       210       220       230       240
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 270267458  164 ITLFLGFFFTLLQAFEYVQTSFTIADSVYGSIFFMATGFHGFHVFVGSVFLLVCLVRMVNGHVLSNHHIGYECAIWYWHF 243
Cdd:pfam00510 162 LTILLAVYFTGLQAMEYTEASFTISDGVYGSTFYFATGFHGLHVIIGTAFLAVCFLRLLKYHLTDNHHFGFEAAILYWHF 241
                         250
                  ....*....|....*.
gi 270267458  244 VDVVWIFLYSFVYMWG 259
Cdd:pfam00510 242 VDVVWLFLYVSVYWWG 257
COX3 MTH00024
cytochrome c oxidase subunit III; Validated
6-259 4.23e-90

cytochrome c oxidase subunit III; Validated


Pssm-ID: 214403  Cd Length: 261  Bit Score: 267.39  E-value: 4.23e-90
                         10        20        30        40        50        60        70        80
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 270267458   6 PFHLVDASPWPIMGSFGAMFTAFGLVIWFHLGSLFFMFFGVFLIVFTKYVWWRDVVREASSLGFHLLQVMSGLRIGMVLF 85
Cdd:MTH00024   7 PYHLVEPSPWPFLGAGGAFFITVGSVVYFHYGFSFILYLGLLVIVGVMFVWWQDVIRESTFQGHHSLIVKQGLKYGMLLF 86
                         90       100       110       120       130       140       150       160
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 270267458  86 ITSEVLFFFGFFWTFFHSGLVPVVELGGVWPPFMLESLDPMAVPLLNTVVLLSSGVSVTYSHYSVINSNLTDGIMGLVIT 165
Cdd:MTH00024  87 ILSEVLFFFSFFWAFFHSSLAPAVELGVVWPPQGINPLNPFSVPLLNTAVLLSSGATVTWAHHAIISGKRKEAILGLFLT 166
                        170       180       190       200       210       220       230       240
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 270267458 166 LFLGFFFTLLQAFEYVQTSFTIADSVYGSIFFMATGFHGFHVFVGSVFLLVCLVRMVNGHVLSNHHIGYECAIWYWHFVD 245
Cdd:MTH00024 167 VFLGVLFTGLQAIEYYEAPFAISDSVYGSTFFVATGFHGLHVIIGTTFLFVCLLRLLSNQFTRRQHVGFEAASWYWHFVD 246
                        250
                 ....*....|....
gi 270267458 246 VVWIFLYSFVYMWG 259
Cdd:MTH00024 247 VVWLFLYLCIYWWG 260
COX3 MTH00130
cytochrome c oxidase subunit III; Provisional
6-259 1.81e-89

cytochrome c oxidase subunit III; Provisional


Pssm-ID: 177188  Cd Length: 261  Bit Score: 265.47  E-value: 1.81e-89
                         10        20        30        40        50        60        70        80
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 270267458   6 PFHLVDASPWPIMGSFGAMFTAFGLVIWFHLGSLFFMFFGVFLIVFTKYVWWRDVVREASSLGFHLLQVMSGLRIGMVLF 85
Cdd:MTH00130   7 AYHMVDPSPWPLTGAVAALLMTSGLAIWFHFHSTTLMTLGLILLLLTMYQWWRDIVREGTFQGHHTPPVQKGLRYGMILF 86
                         90       100       110       120       130       140       150       160
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 270267458  86 ITSEVLFFFGFFWTFFHSGLVPVVELGGVWPPFMLESLDPMAVPLLNTVVLLSSGVSVTYSHYSVINSNLTDGIMGLVIT 165
Cdd:MTH00130  87 ITSEVFFFLGFFWAFYHSSLAPTPELGGCWPPTGITTLDPFEVPLLNTAVLLASGVTVTWAHHSIMEGERKQAIQSLTLT 166
                        170       180       190       200       210       220       230       240
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 270267458 166 LFLGFFFTLLQAFEYVQTSFTIADSVYGSIFFMATGFHGFHVFVGSVFLLVCLVRMVNGHVLSNHHIGYECAIWYWHFVD 245
Cdd:MTH00130 167 ILLGFYFTFLQAMEYYEAPFTIADGVYGSTFFVATGFHGLHVIIGSTFLAVCLLRQIQYHFTSEHHFGFEAAAWYWHFVD 246
                        250
                 ....*....|....
gi 270267458 246 VVWIFLYSFVYMWG 259
Cdd:MTH00130 247 VVWLFLYISIYWWG 260
COX3 MTH00219
cytochrome c oxidase subunit III; Provisional
2-259 2.85e-89

cytochrome c oxidase subunit III; Provisional


Pssm-ID: 214464  Cd Length: 262  Bit Score: 265.11  E-value: 2.85e-89
                         10        20        30        40        50        60        70        80
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 270267458   2 FRMNPFHLVDASPWPIMGSFGAMFTAFGLVIWFHLGSLFFMFFGVFLIVFTKYVWWRDVVREASSLGFHLLQVMSGLRIG 81
Cdd:MTH00219   4 FQTNPYHLVDYSPWPLTGSLGALMLTSGLVAWFHHYNLDLLILGLLIIVLTMIQWWRDVIRESTFMGLHTSKVSTGLRIG 83
                         90       100       110       120       130       140       150       160
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 270267458  82 MVLFITSEVLFFFGFFWTFFHSGLVPVVELGGVWPPFMLESLDPMAVPLLNTVVLLSSGVSVTYSHYSVINSNLTDGIMG 161
Cdd:MTH00219  84 MILFIVSEILFFFAFFWAFFHSSLAPTIELGSCWPPTGINPLNPFQVPLLNTAVLLASGVTVTWAHHSLMESNHKEAQQG 163
                        170       180       190       200       210       220       230       240
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 270267458 162 LVITLFLGFFFTLLQAFEYVQTSFTIADSVYGSIFFMATGFHGFHVFVGSVFLLVCLVRMVNGHVLSNHHIGYECAIWYW 241
Cdd:MTH00219 164 LLFTILLGLYFTMLQGMEYLEASFSISDSVYGTTFFVATGFHGLHVIIGTIFLFVCFMRGLMLHFSKNHHFGFEAAAWYW 243
                        250
                 ....*....|....*...
gi 270267458 242 HFVDVVWIFLYSFVYMWG 259
Cdd:MTH00219 244 HFVDVVWLFLYVSIYWWG 261
COX3 MTH00052
cytochrome c oxidase subunit III; Provisional
6-259 7.17e-89

cytochrome c oxidase subunit III; Provisional


Pssm-ID: 164623  Cd Length: 262  Bit Score: 264.35  E-value: 7.17e-89
                         10        20        30        40        50        60        70        80
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 270267458   6 PFHLVDASPWPIMGSFGAMFTAFGLVIWFHLGSLFFMFFGVFLIVFTKYVWWRDVVREASSLGFHLLQVMSGLRIGMVLF 85
Cdd:MTH00052   8 PYHLVDPSPWPYIGGCGALFTTVGGVMYFHYSQSWVLILGLITIIFTMVVWWRDVIRESTYQGHHTLIVKQGLKYGMILF 87
                         90       100       110       120       130       140       150       160
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 270267458  86 ITSEVLFFFGFFWTFFHSGLVPVVELGGVWPPFMLESLDPMAVPLLNTVVLLSSGVSVTYSHYSVINSNLTDGIMGLVIT 165
Cdd:MTH00052  88 IVSEVCLFFSFFWAFFHSSLAPTIEIGAVWPPRGVDPLNPFSVPLLNTAVLLSSGATVTWAHHGIISGKRKEAIIGLALT 167
                        170       180       190       200       210       220       230       240
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 270267458 166 LFLGFFFTLLQAFEYVQTSFTIADSVYGSIFFMATGFHGFHVFVGSVFLLVCLVRMVNGHVLSNHHIGYECAIWYWHFVD 245
Cdd:MTH00052 168 VALGLLFTGLQAMEYYEAPFTISDSVYGSTFFVTTGAHGGHVLIGSSFLLVCLFRLINHQFTRHHHFGFEAAAWYWHFVD 247
                        250
                 ....*....|....
gi 270267458 246 VVWIFLYSFVYMWG 259
Cdd:MTH00052 248 VVWLFLFIFMYWWG 261
COX3 MTH00099
cytochrome c oxidase subunit III; Validated
3-259 1.35e-88

cytochrome c oxidase subunit III; Validated


Pssm-ID: 177161  Cd Length: 261  Bit Score: 263.51  E-value: 1.35e-88
                         10        20        30        40        50        60        70        80
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 270267458   3 RMNPFHLVDASPWPIMGSFGAMFTAFGLVIWFHLGSLFFMFFGVFLIVFTKYVWWRDVVREASSLGFHLLQVMSGLRIGM 82
Cdd:MTH00099   4 QTHAYHMVNPSPWPLTGALSALLMTSGLIMWFHFNSTTLLTLGLLTNMLTMYQWWRDIIRESTFQGHHTPIVQKGLRYGM 83
                         90       100       110       120       130       140       150       160
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 270267458  83 VLFITSEVLFFFGFFWTFFHSGLVPVVELGGVWPPFMLESLDPMAVPLLNTVVLLSSGVSVTYSHYSVINSNLTDGIMGL 162
Cdd:MTH00099  84 ILFIISEVFFFAGFFWAFYHSSLAPTPELGGCWPPTGITPLNPLEVPLLNTSVLLASGVSITWAHHSLMEGNRKHMLQAL 163
                        170       180       190       200       210       220       230       240
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 270267458 163 VITLFLGFFFTLLQAFEYVQTSFTIADSVYGSIFFMATGFHGFHVFVGSVFLLVCLVRMVNGHVLSNHHIGYECAIWYWH 242
Cdd:MTH00099 164 FITILLGLYFTLLQASEYYEAPFTISDGIYGSTFFMATGFHGLHVIIGSTFLIVCFLRQLKFHFTSNHHFGFEAAAWYWH 243
                        250
                 ....*....|....*..
gi 270267458 243 FVDVVWIFLYSFVYMWG 259
Cdd:MTH00099 244 FVDVVWLFLYVSIYWWG 260
COX3 MTH00075
cytochrome c oxidase subunit III; Provisional
7-259 6.92e-87

cytochrome c oxidase subunit III; Provisional


Pssm-ID: 177146  Cd Length: 261  Bit Score: 258.91  E-value: 6.92e-87
                         10        20        30        40        50        60        70        80
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 270267458   7 FHLVDASPWPIMGSFGAMFTAFGLVIWFHLGSLFFMFFGVFLIVFTKYVWWRDVVREASSLGFHLLQVMSGLRIGMVLFI 86
Cdd:MTH00075   8 FHMVDPSPWPLTGAIAALLLTSGLAMWFHFGSMIIMLLGLIIMLLTMFQWWRDIVREGTFQGHHTPPVQKGLRYGMILFI 87
                         90       100       110       120       130       140       150       160
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 270267458  87 TSEVLFFFGFFWTFFHSGLVPVVELGGVWPPFMLESLDPMAVPLLNTVVLLSSGVSVTYSHYSVINSNLTDGIMGLVITL 166
Cdd:MTH00075  88 TSEVFFFLGFFWAFYNSSLAPTPELGECWPPTGITPLDPFEVPLLNTAVLLASGVTVTWAHHSIMQGNRKEAIQSLALTI 167
                        170       180       190       200       210       220       230       240
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 270267458 167 FLGFFFTLLQAFEYVQTSFTIADSVYGSIFFMATGFHGFHVFVGSVFLLVCLVRMVNGHVLSNHHIGYECAIWYWHFVDV 246
Cdd:MTH00075 168 ILGLYFTLLQAMEYYEAPFTIADGVYGSTFFVATGFHGLHVIIGSLFLLVCLLRQINFHFTSQHHFGFEAAAWYWHFVDV 247
                        250
                 ....*....|...
gi 270267458 247 VWIFLYSFVYMWG 259
Cdd:MTH00075 248 VWLFLYVSIYWWG 260
COX3 MTH00028
cytochrome c oxidase subunit III; Provisional
5-259 1.25e-82

cytochrome c oxidase subunit III; Provisional


Pssm-ID: 214406  Cd Length: 297  Bit Score: 249.60  E-value: 1.25e-82
                         10        20        30        40        50        60        70        80
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 270267458   5 NPFHLVDASPWPIMGSFGAMFTAFGLVIWFHLGSLFFMFFGVFLIVFTKYVWWRDVVREASSLGFHLLQVMSGLRIGMVL 84
Cdd:MTH00028   6 HPYHLVDPSPWPFVGASGAFLFTSGAVILFHYSDYRLALTGLFLIIITASAWWRDVIREGTHQGHHTQIVVRGLKLGMLL 85
                         90       100       110       120       130       140       150       160
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 270267458  85 FITSEVLFFFGFFWTFFHSGLVPVVELGGVWPPFMLESLDPMAVPLLNTVVLLSSGVSVTYSHYSVINSNL--------- 155
Cdd:MTH00028  86 FILSEVCLFFAFFWAFFHSSLAPSVELGSVWPPKGIEALDPFAVPLLNTTILLSSGATVTWAHHAIIGTGNpaslekgtq 165
                        170       180       190       200       210       220       230       240
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 270267458 156 ---------------------------TDGIMGLVITLFLGFFFTLLQAFEYVQTSFTIADSVYGSIFFMATGFHGFHVF 208
Cdd:MTH00028 166 giegpnpsngappdpqkgptfllsdfrTNAVIGLLMTILLGIIFTGLQAFEYKEASFAISDSVYGSTFFMLTGTHGLHVL 245
                        250       260       270       280       290
                 ....*....|....*....|....*....|....*....|....*....|.
gi 270267458 209 VGSVFLLVCLVRMVNGHVLSNHHIGYECAIWYWHFVDVVWIFLYSFVYMWG 259
Cdd:MTH00028 246 VGTTFLIVCFIRLLSNQFTNSHHLGLEAAIWYWHFVDVVWLFLYVFVYWWG 296
COX3 MTH00009
cytochrome c oxidase subunit III; Validated
6-259 1.12e-81

cytochrome c oxidase subunit III; Validated


Pssm-ID: 177101  Cd Length: 259  Bit Score: 245.90  E-value: 1.12e-81
                         10        20        30        40        50        60        70        80
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 270267458   6 PFHLVDASPWPIMGSFGAMFTAFGLVIWFHLGSLFFMFFGVFLIVFTKYVWWRDVVREASSLGFHLLQVMSGLRIGMVLF 85
Cdd:MTH00009   5 PFHLVEYSPWPLTGSIGAFTLTVGLASWFHGYGTLCLILGLIIIILTMIQWWRDVIREGTYMGHHTSYVTKGLRWGMILF 84
                         90       100       110       120       130       140       150       160
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 270267458  86 ITSEVLFFFGFFWTFFHSGLVPVVELGGVWPPFMLESLDPMAVPLLNTVVLLSSGVSVTYSHYSVINSNLTDGIMGLVIT 165
Cdd:MTH00009  85 IASEVMFFFAFFWAFFHSSLAPTPELGCSWPPTGIEPLNPFSVPLLNTAVLLASGVTVTWAHHSLIEGDRPEATQALILT 164
                        170       180       190       200       210       220       230       240
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 270267458 166 LFLGFFFTLLQAFEYVQTSFTIADSVYGSIFFMATGFHGFHVFVGSVFLLVCLVRMVNGHVLSNHHIGYECAIWYWHFVD 245
Cdd:MTH00009 165 VLLGAYFTFLQAGEYIEAPFTIADSVYGSTFFVATGFHGLHVLIGSSFLFVCLLRTWSHHFSTGHHFGFEAAAWYWHFVD 244
                        250
                 ....*....|....
gi 270267458 246 VVWIFLYSFVYMWG 259
Cdd:MTH00009 245 VVWIFLYLCIYWWG 258
PLN02194 PLN02194
cytochrome-c oxidase
7-260 3.06e-69

cytochrome-c oxidase


Pssm-ID: 177845  Cd Length: 265  Bit Score: 214.53  E-value: 3.06e-69
                         10        20        30        40        50        60        70        80
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 270267458   7 FHLVDASPWPIMGSFGAMFTAFGLVIWFH--LGSLFFMFFGVFLIVFTKYVWWRDVVREASSLGFHLLQVMSGLRIGMVL 84
Cdd:PLN02194   9 YHLVDPSPWPISGSLGALATTVGGVMYMHpfQGGARLLSLGLIFILYTMFVWWRDVLRESTLEGHHTKVVQLGPRYGSIL 88
                         90       100       110       120       130       140       150       160
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 270267458  85 FITSEVLFFFGFFWTFFHSGLVPVVELGGVWPPFMLESLDPMAVPLLNTVVLLSSGVSVTYSHYSVINSNLTDGIMGLVI 164
Cdd:PLN02194  89 FIVSEVMFFFAFFWASSHSSLAPAVEIGGIWPPKGIEVLDPWEIPFLNTPILPSSGAAVTWAHHAILAGKEKRAVYALVA 168
                        170       180       190       200       210       220       230       240
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 270267458 165 TLFLGFFFTLLQAFEYVQTSFTIADSVYGSIFFMATGFHGFHVFVGSVFLLVCLVRMVNGHVLSNHHIGYECAIWYWHFV 244
Cdd:PLN02194 169 TVLLALVFTGFQGMEYYQAPFTISDSIYGSTFFLATGFHGFHVIIGTLFLIICGIRQYLGHLTKEHHVGFEAAAWYWHFV 248
                        250
                 ....*....|....*.
gi 270267458 245 DVVWIFLYSFVYMWGG 260
Cdd:PLN02194 249 DVVWLFLFVSIYWWGG 264
COX3 MTH00083
cytochrome c oxidase subunit III; Provisional
7-259 1.43e-59

cytochrome c oxidase subunit III; Provisional


Pssm-ID: 177150  Cd Length: 256  Bit Score: 189.40  E-value: 1.43e-59
                         10        20        30        40        50        60        70        80
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 270267458   7 FHLVDASPWPIMGSFGAMFTAFGLVIWFHLGSLFFMFFGVFLIVFTKYVWWRDVVREASSlGFHLLQVMSGLRIGMVLFI 86
Cdd:MTH00083   5 FHILSLSSYPYMMFFSSLGLTSSLVVFFKYGLFYSFFFSLLYLLFISFLWGKDISMEGLS-GYHNFFVMDGFKFGMILFI 83
                         90       100       110       120       130       140       150       160
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 270267458  87 TSEVLFFFGFFWTFFHSGLVPVVELGGVWPPFMLESLDPMAVPLLNTVVLLSSGVSVTYSHYSVINSNLtDGIMGLVITL 166
Cdd:MTH00083  84 FSEFMFFFSIFWTFFDAALVPVHELGGVWSPIGIHLVNYLGVPLLNTIILLSSGVSVTWSHHSLCLSNK-SCTNSLLLTC 162
                        170       180       190       200       210       220       230       240
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 270267458 167 FLGFFFTLLQAFEYVQTSFTIADSVYGSIFFMATGFHGFHVFVGSVFLLVCLVRMVNGHVLSNHHIGYECAIWYWHFVDV 246
Cdd:MTH00083 163 FLGLYFTSFQLMEYKEASFSISDSIYGSIFYLGTGFHGIHVLCGGLFLLFNLLRLLKSHFNYNHHLGLEFAILYWHFVDV 242
                        250
                 ....*....|...
gi 270267458 247 VWIFLYSFVYMWG 259
Cdd:MTH00083 243 VWLFLFVFVYWWS 255
Heme_Cu_Oxidase_III_like cd00386
Heme-copper oxidase subunit III. Heme-copper oxidases are transmembrane protein complexes in ...
70-258 3.18e-45

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: 150.05  E-value: 3.18e-45
                         10        20        30        40        50        60        70        80
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 270267458  70 HLLQVMSGLRIGMVLFITSEVLFFFGFFWTFFHSGLVPVVELGgvwppfmlESLDPMAVPLLNTVVLLSSGVSVTYSHYS 149
Cdd:cd00386    1 HTASVRSGGRLGMWLFILSEVMLFGSFFWAYFHSRLSPPVEFG--------AGLDPLDLPLLNTNTLLLSGSSVTWAHAS 72
                         90       100       110       120       130       140       150       160
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 270267458 150 VI--NSNLTDGIMGLVITLFLGFFFTLLQAFEYVQTSFTIADSVYGSIFFMATGFHGFHVFVGSVFLLVCLVRMVNGHVL 227
Cdd:cd00386   73 LAarRGNRKKARLWLLLTILLGLAFLGLQAYEYSHLIFTISDSVFGSTFFLLTGFHGLHVIIGLIFLLVVLIRLRRGHFT 152
                        170       180       190
                 ....*....|....*....|....*....|.
gi 270267458 228 SNHHIGYECAIWYWHFVDVVWIFLYSFVYMW 258
Cdd:cd00386  153 PRHHLGLEAAALYWHFVDVVWLFLFPLVYLW 183
CyoC COG1845
Heme/copper-type cytochrome/quinol oxidase, subunit 3 [Energy production and conversion];
70-258 2.19e-31

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


Pssm-ID: 441450  Cd Length: 192  Bit Score: 114.56  E-value: 2.19e-31
                         10        20        30        40        50        60        70        80
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 270267458  70 HLLQVMSGLRIGMVLFITSEVLFFFGFFWTFFhsglvpVVELGGVWPPFMLESLDPmAVPLLNTVVLLSSGVSVTYSHYS 149
Cdd:COG1845    8 HAPERRSPGKLGMWLFLASEVMLFAALFAAYF------VLRASAPDWPAGAELLDL-PLPLINTLLLLLSSFTVALAVRA 80
                         90       100       110       120       130       140       150       160
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 270267458 150 VINSNLTDGIMGLVITLFLGFFFTLLQAFEY---VQTSFTIADSVYGSIFFMATGFHGFHVFVGSVFLLVCLVRMVNGHV 226
Cdd:COG1845   81 ARRGDRKGLRLWLLLTLLLGLAFLGLQAYEYshlIAEGLTPTSNAFGSFFFLLTGFHGLHVIIGLIWLLVVLVRALRGGF 160
                        170       180       190
                 ....*....|....*....|....*....|..
gi 270267458 227 LSNHHIGYECAIWYWHFVDVVWIFLYSFVYMW 258
Cdd:COG1845  161 TPENHTGVEAAALYWHFVDVVWIFLFALVYLL 192
NorE_like cd02862
NorE_like subfamily of heme-copper oxidase subunit III. Heme-copper oxidases include ...
130-257 5.48e-15

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: 71.11  E-value: 5.48e-15
                         10        20        30        40        50        60        70        80
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 270267458 130 LLNTVVLLSSGVSVTYSHYSVINSNLTDGIMGLVITLFLGFFFTLLQAFEY---VQTSFTIADSVYGSIFFMATGFHGFH 206
Cdd:cd02862   55 ALNTLVLLTSSFTVALAVRAARAGRRRRARRWLAAAVLLGLVFLVIKYFEYahkIAAGIDPDAGLFFTLYFLLTGFHLLH 134
                         90       100       110       120       130
                 ....*....|....*....|....*....|....*....|....*....|.
gi 270267458 207 VFVGSVFLLVCLVRMVNGHVLSNHHIGYECAIWYWHFVDVVWIFLYSFVYM 257
Cdd:cd02862  135 VLIGLGILLWVAWRARRGRYSARDYEGVEAAALYWHMVDLVWIVLFPLLYL 185
Ubiquinol_oxidase_III cd02863
Ubiquinol oxidase subunit III subfamily. Ubiquinol oxidase, the terminal oxidase in the ...
130-259 7.24e-12

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: 62.26  E-value: 7.24e-12
                         10        20        30        40        50        60        70        80
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 270267458 130 LLNTVVLLSSGVSVTYSHYSVINSNLTDGIMGLVITLFLGFFFTLLQAFE---YVQTSFTIADSVYGSIFFMATGFHGFH 206
Cdd:cd02863   54 FIETFLLLLSSFTCGLAMIAMNKNNKKKVILWLIITFLLGLGFVGMEIYEfhhLIAEGAGPDRSAFLSAFFTLVGTHGLH 133
                         90       100       110       120       130
                 ....*....|....*....|....*....|....*....|....*....|...
gi 270267458 207 VFVGSVFLLVCLVRMVNGHVLSNHHIGYECAIWYWHFVDVVWIFLYSFVYMWG 259
Cdd:cd02863  134 VTFGLIWILVMIIQLKKRGLTPDTARRLFCLSLFWHFLDIVWIFVFTVVYLLG 186
Heme_Cu_Oxidase_III_2 cd02865
Heme-copper oxidase subunit III subfamily. Heme-copper oxidases are transmembrane protein ...
121-258 1.11e-11

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: 62.00  E-value: 1.11e-11
                         10        20        30        40        50        60        70        80
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 270267458 121 ESLDPMAVPLLNTVVLLSSGVSVTYSHYSVINSNLTDGIMGLVITLFLGFFFTLLQAFEYVQTSF---TIADSVYGSIFF 197
Cdd:cd02865   44 APLPLPNLLSLNTAVLAASSVAMQWARRAARRNRRVLARLGLALAGALALAFLAGQLLAWHALNDagyGPTSNPAGSFFY 123
                         90       100       110       120       130       140
                 ....*....|....*....|....*....|....*....|....*....|....*....|.
gi 270267458 198 MATGFHGFHVFVGSVFLLVCLVRMVNGHVLSNHHIGYECAIWYWHFVDVVWIFLYSFVYMW 258
Cdd:cd02865  124 LLTGLHGLHVIGGLVALAIVLAGLIRGHYGPRRRLPVELCALYWHFLLLVWLVLLALLYGT 184
Heme_Cu_Oxidase_III_1 cd02864
Heme-copper oxidase subunit III subfamily. Heme-copper oxidases are transmembrane protein ...
192-258 2.29e-10

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: 58.67  E-value: 2.29e-10
                         10        20        30        40        50        60
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*...
gi 270267458 192 YGSIFFMATGFHGFHVFVGSVFL-LVCLVRMVNGHVLSNHHIGYECAIWYWHFVDVVWIFLYSFVYMW 258
Cdd:cd02864  135 FGASFFMITGFHGTHVTIGVIYLiIIARKVWRGKYQRIGRYEIVEIAGLYWHFVDLVWVFIFAFFYLW 202
COX3 MTH00049
cytochrome c oxidase subunit III; Validated
124-256 6.18e-08

cytochrome c oxidase subunit III; Validated


Pssm-ID: 177124  Cd Length: 215  Bit Score: 51.84  E-value: 6.18e-08
                         10        20        30        40        50        60        70        80
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 270267458 124 DPMAVPLLNTVVLLSSGVSVTYSHySVINSNLTDGIMGLVITLFLGFFFTllQAFEYVQTSFTIADSVYGSIFFMATGFH 203
Cdd:MTH00049  88 SSLEIPFVGCFLLLGSSITVTAYH-HLLGWKYCDLFLYLTILLGLLFVVL--QVFEFEESGVNSLDSSYYASCFCTVGLH 164
                         90       100       110       120       130
                 ....*....|....*....|....*....|....*....|....*....|...
gi 270267458 204 GFHVFVGSVFLLVCLVRMVNGHVLSNHHIgyecAIWYWHFVDVVWIFLYSFVY 256
Cdd:MTH00049 165 FSHVVLGVVGLSTLLLVGSSSFGVYRSTV----LTWYWHFVDYIWLLVYLIVY 213
CyoC TIGR02842
cytochrome o ubiquinol oxidase, subunit III; Cytochrome o terminal oxidase complex is the ...
130-259 1.97e-07

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: 49.95  E-value: 1.97e-07
                          10        20        30        40        50        60        70        80
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 270267458  130 LLNTVVLLSSGVSVTYSHYSVINSNLTDGIMGLVITLFLGFFFTLLQAFEY---VQTSFTIADSVYGSIFFMATGFHGFH 206
Cdd:TIGR02842  46 LVETFLLLLSSITFGFAMLAMNKKNKKMVILWLAITFLLGLGFIGMEIYEFyhlIAEGNGPDRSAFLSAFFTLVGTHGLH 125
                          90       100       110       120       130
                  ....*....|....*....|....*....|....*....|....*....|...
gi 270267458  207 VFVGSVFLLVCLVRMVNGHVLSNHHIGYECAIWYWHFVDVVWIFLYSFVYMWG 259
Cdd:TIGR02842 126 VTSGLIWIIVMIIQVYKYGLTKINRRRLACLSLFWHFLDIVWICVFTFVYLLG 178
PRK10663 PRK10663
cytochrome o ubiquinol oxidase subunit III; Provisional
190-259 6.63e-06

cytochrome o ubiquinol oxidase subunit III; Provisional


Pssm-ID: 182628  Cd Length: 204  Bit Score: 45.54  E-value: 6.63e-06
                         10        20        30        40        50        60        70
                 ....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 270267458 190 SVYGSIFFMATGFHGFHVFVGSVFLLVCLVRMVNGHVLSNHHIGYECAIWYWHFVDVVWIFLYSFVYMWG 259
Cdd:PRK10663 133 SGFLSAFFALVGTHGLHVTSGLIWMAVLMVQVARRGLTSTNRTRIMCLSLFWHFLDVVWICVFTVVYLMG 202
QoxC TIGR02897
cytochrome aa3 quinol oxidase, subunit III; This family (QoxC) encodes subunit III of the ...
180-259 1.38e-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: 44.46  E-value: 1.38e-05
                          10        20        30        40        50        60        70        80
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 270267458  180 YVQTSFTIADSVYGSIFFMATGFHGFHVFVGsVFLLVCLVRMVNGHVLSNHHIGYECAI-WYWHFVDVVWIFLYSFVYMW 258
Cdd:TIGR02897 109 YASEGVTPQIGSYWSSFFVLLGTHGCHVTLG-IVWAICLLIQIQRRGLTPYTAPKVFIVsLYWHFLDVVWVFIFTAVYLI 187

                  .
gi 270267458  259 G 259
Cdd:TIGR02897 188 G 188
 
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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