1THJ,1V67,2EG0,1XHD


Conserved Protein Domain Family
LbH_gamma_CA_like

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cd04645: LbH_gamma_CA_like 
Click on image for an interactive view with Cn3D
Gamma carbonic anhydrase-like: This family is composed of gamma carbonic anhydrase (CA), Ferripyochelin Binding Protein (FBP), E. coli paaY protein, and similar proteins. CAs are zinc-containing enzymes that catalyze the reversible hydration of carbon dioxide in a two-step mechanism, involving the nucleophilic attack of a zinc-bound hydroxide ion on carbon dioxide, followed by the regeneration of the active site by ionization of the zinc-bound water molecule and removal of a proton from the active site. They are ubiquitous enzymes involved in fundamental processes like photosynthesis, respiration, pH homeostasis and ion transport. There are three evolutionary distinct groups - alpha, beta and gamma carbonic anhydrases - which show no significant sequence identity or structural similarity. Gamma CAs are trimeric enzymes with left-handed parallel beta helix (LbH) structural domain.
Statistics
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PSSM-Id: 100051
Aligned: 150 rows
Threshold Bit Score: 128.298
Created: 19-Sep-2006
Updated: 2-Oct-2020
Structure
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Program:
Drawing:
Aligned Rows:
 
putative metaltrimer
Conserved site includes 3 residues -Click on image for an interactive view with Cn3D
Feature 1:putative metal binding site [ion binding site]
Evidence:
  • Comment:Based on the active site/zinc binding site of gamma carbonic anhydrase (1THJ).
  • Comment:Zinc ions are bound at the interface of neighboring subunits of the trimer. The trimer contains three zinc binding sites.
  • Structure:1THJ; Methanosarcina thermophila gamma carbonic anhydrase trimer binds three zinc molecules.
    View structure with Cn3D
  • Citation:PMID 8665839
  • Structure:1V67_A; Pyrococcus Horikoshii Ferripyochelin Binding Protein binds zinc. The binding of zinc to only one subunit is shown in this structure.
    View structure with Cn3D

Sequence Alignment
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Format: Row Display: Color Bits: Type Selection:
Feature 1                                                               #                        
1THJ_A        28 VIDPTAYIDPEASVIGEVTIGANVMVSPMASIRSDEGm-PIFVGDRSNVQDGVVLHAletineegepiednivevdgkey 106 Methanosarcina ...
EAR99480     366 SINDSEFIAPNSVVIGDVITKEGSSIWYGATLRGELG--PIEIGKQTVIQDLVNIQSgkqn------------------q 425 Tetrahymena the...
XP_976599     58 TFYHSTFIAPNSSLIGAVYLGQNTVVGYGSTLRGDNH--AIRVGHNTVIGDKVAISNvatlaa-------------gipv 122 Tetrahymena the...
CAJ02197      57 WTQDACFIAPNAFVVGNVVLGHDTAIFYHSVLRNYHTksATILGDHTVVMDRATLMGq---------------------- 114 Leishmania major
EDO97352      65 YYPVDVFVAPNAVVCGDVDIYGGASVFFGAVLRGDLN--KIRLGNRSAILDRAVVHAaravpt-------------glna 129 Chlamydomonas r...
Q9SMN1        71 KVAVDAYVAPNVVLAGQVTVWDGSSVWNGAVLRGDLN--KITVGFCSNVQERCVVHAawsspt-------------glpa 135 thale cress
ABG37688      51 KLRPSVFVAPNASLIGNVSVMDESSIWYGAVVRGDQS--PVDIGGKSSIGDRSVVLSasvnpt-------------gfaa 115 Emiliania huxleyi
EAR90076      76 QIGYQSYIAPNSTVIGEVTIGNETTVWYNSVIRGDVN--AVQIGNNVSIGENVVIHTagslpt-------------gqpa 140 Tetrahymena the...
BAF32946      52 RVAQGAFIAPNAAVIGNVDIEPRTSIWYGAVIRGDQS--NIFIGGESSIGDRSVVQSstvnpt-------------gfsa 116 Pleurochrysis h...
XP_001432195  48 EIGSQHFIASTATVIGDVELASQCVVWYGAVLRGDLN--GIRILNRVIIGERSVLHTaaslpn-------------gmpa 112 Paramecium tetr...
Feature 1                   #    #                                                               
1THJ_A       107 avYIGNNVSLAHQSQVHGpAAVGDdTFIGMQAFVF-KSKVGnNCVLEPRSAAIGv-TIPDGRYIPagmvvtsqaeadkLP 184 Methanosarcina ...
EAR99480     426 ktQIGDNVFIGPNSYIQS-SKINDnSFVGMGSTVStGCNLAsNAVVAAGSVVPEntQVPSNQIWAgsp-------aqyLR 497 Tetrahymena the...
XP_976599    123 stNIGNHVNIGAGCVLQS-CVVDDnVTVGHNTVILeGSVLErGSVIAPNSLVPAgrLIPSGQLWAgsp-------vryVR 194 Tetrahymena the...
CAJ02197     115 -iRVGQGTYIGAGATLDC-CEVHDnVYVGPGASIAlGAVVEnGAIVAAGSAVPKdaRVYAGELWAgnp-------aqkIA 185 Leishmania major
EDO97352     130 atLIGEKVTVEPYAVLRS-CRVEPkVIIGARSVVCeGAVVEsESILAPNSVVPParRIPSGELWGgsp-------akfIR 201 Chlamydomonas r...
Q9SMN1       136 qtLIDRYVTVGAYSLLRS-CTIEPeCIIGQHSILMeGSLVEtRSILEAGSVLPPgrRIPSGELWGgnp-------arfIR 207 thale cress
ABG37688     116 ktSIGDWVTVGQGCVLRG-CTVDNfAVVGDGCVIGeGALVEtHGVLEAGSVLPAggLVPRGEVHGgnp-------aafVR 187 Emiliania huxleyi
EAR90076     141 svDIGHYVIIGSKSTIYS-CTIQDeVVIGQGCVILeGARIEkGAMIAANSVVPPgrLIPAGTLWAgnp-------ctfVR 212 Tetrahymena the...
BAF32946     117 rtCIGDWVKIGQGCVLRA-CTIEDyCQIGDGCIVQeGALIEnGAMLEPGSVVPQgaRVPAGEVYAgnp-------atfVR 188 Pleurochrysis h...
XP_001432195 113 vlSIGNNVMVQNDCTLYS-CTIGDnCFIGYRSIILeGAKLEdGAVLAPGTVVPPgrLIPSNQLWAgnp-------aqyVR 184 Paramecium tetr...
Feature 1                                
1THJ_A       185 EVTDdyayshtNEAVVYVNVHLAE 208 Methanosarcina thermophila
EAR99480     498 DITPeer--qvLQEHHQECVQLAR 519 Tetrahymena thermophila SB210
XP_976599    195 DLKEeei--klNLEQTEQNLSIGK 216 Tetrahymena thermophila SB210
CAJ02197     186 DVSPaqs--seVQHMVHDQIQVGK 207 Leishmania major
EDO97352     202 KLTDher-drvLDDVSTHYHNLAT 224 Chlamydomonas reinhardtii
Q9SMN1       208 TLTNeet--leIPKLAVAINHLSG 229 thale cress
ABG37688     188 KLEKdei--aaIEKKAEDVSMSAK 209 Emiliania huxleyi
EAR90076     213 NLTKsel--atNIDHAKKQLHLAQ 234 Tetrahymena thermophila SB210
BAF32946     189 KLSKeei--eeFGEYAEEVCDLAA 210 Pleurochrysis haptonemofera
XP_001432195 185 DIEDkdl--sqLSYVIGNQFAIAR 206 Paramecium tetraurelia strain d4-2

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