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1BH2

A326S MUTANT OF AN INHIBITORY ALPHA SUBUNIT

Functional Information from GO Data
ChainGOidnamespacecontents
A0003924molecular_functionGTPase activity
A0005525molecular_functionGTP binding
A0007165biological_processsignal transduction
A0007186biological_processG protein-coupled receptor signaling pathway
A0007188biological_processadenylate cyclase-modulating G protein-coupled receptor signaling pathway
A0019001molecular_functionguanyl nucleotide binding
A0031683molecular_functionG-protein beta/gamma-subunit complex binding
Functional Information from PDB Data
site_idAC1
Number of Residues5
DetailsBINDING SITE FOR RESIDUE MG A 357
ChainResidue
ASER47
ATHR181
AGSP355
AHOH413
AHOH532

site_idAC2
Number of Residues28
DetailsBINDING SITE FOR RESIDUE GSP A 355
ChainResidue
ASER47
ATHR48
ASER151
ALEU175
AARG176
ATHR177
AARG178
ATHR181
AGLY202
AGLY203
AGLN204
AASN269
ALYS270
AASP272
ALEU273
ACYS325
ASER326
ATHR327
AMG357
AHOH401
AHOH402
AHOH403
AHOH413
AHOH532
AGLU43
ASER44
AGLY45
ALYS46

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues13
DetailsRegion: {"description":"G1 motif","evidences":[{"source":"PROSITE-ProRule","id":"PRU01230","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues8
DetailsRegion: {"description":"G2 motif","evidences":[{"source":"PROSITE-ProRule","id":"PRU01230","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues9
DetailsRegion: {"description":"G3 motif","evidences":[{"source":"PROSITE-ProRule","id":"PRU01230","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues7
DetailsRegion: {"description":"G4 motif","evidences":[{"source":"PROSITE-ProRule","id":"PRU01230","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues5
DetailsRegion: {"description":"G5 motif","evidences":[{"source":"PROSITE-ProRule","id":"PRU01230","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI6
Number of Residues15
DetailsBinding site: {"evidences":[{"source":"PDB","id":"1AS0","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1BH2","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1GIA","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1GIL","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"3FFA","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"4N0D","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"4PAO","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"4PAQ","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI7
Number of Residues1
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"25037222","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"9705312","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"1BH2","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"4PAO","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI8
Number of Residues1
DetailsBinding site: {"evidences":[{"source":"PDB","id":"1AS0","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1BH2","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1GIL","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"4N0D","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI9
Number of Residues1
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"19703466","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"25037222","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"9705312","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"1BH2","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"4PAO","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI10
Number of Residues1
DetailsBinding site: {"evidences":[{"source":"PDB","id":"1AS0","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1GIA","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1GIL","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"3FFA","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"4N0D","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"4PAO","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"4PAQ","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

Catalytic Information from CSA
site_idCSA1
Number of Residues4
Detailsa catalytic site defined by CSA, PubMed 8073283, 10507001, 8710841, 15236956, 9383480, 15128951
ChainResidueDetails
ATHR181
AGLN204
AGLU43
AARG178

site_idMCSA1
Number of Residues5
DetailsM-CSA 533
ChainResidueDetails
AGLU43electrostatic stabiliser
ATHR48electrostatic stabiliser
AARG178electrostatic stabiliser
AASP200electrostatic stabiliser
AGLN204electrostatic stabiliser

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PDB entries from 2025-12-24

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