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2V4Z

The crystal structure of the human G-protein subunit alpha (GNAI3) in complex with an engineered regulator of G-protein signaling type 2 domain (RGS2)

Functional Information from GO Data
ChainGOidnamespacecontents
A0000139cellular_componentGolgi membrane
A0000166molecular_functionnucleotide binding
A0001664molecular_functionG protein-coupled receptor binding
A0003924molecular_functionGTPase activity
A0005515molecular_functionprotein binding
A0005525molecular_functionGTP binding
A0005654cellular_componentnucleoplasm
A0005730cellular_componentnucleolus
A0005737cellular_componentcytoplasm
A0005765cellular_componentlysosomal membrane
A0005789cellular_componentendoplasmic reticulum membrane
A0005794cellular_componentGolgi apparatus
A0005813cellular_componentcentrosome
A0005829cellular_componentcytosol
A0005834cellular_componentheterotrimeric G-protein complex
A0005856cellular_componentcytoskeleton
A0005886cellular_componentplasma membrane
A0007165biological_processsignal transduction
A0007186biological_processG protein-coupled receptor signaling pathway
A0007188biological_processadenylate cyclase-modulating G protein-coupled receptor signaling pathway
A0007193biological_processadenylate cyclase-inhibiting G protein-coupled receptor signaling pathway
A0007194biological_processnegative regulation of adenylate cyclase activity
A0016020cellular_componentmembrane
A0016239biological_processpositive regulation of macroautophagy
A0019001molecular_functionguanyl nucleotide binding
A0019003molecular_functionGDP binding
A0030496cellular_componentmidbody
A0031683molecular_functionG-protein beta/gamma-subunit complex binding
A0034451cellular_componentcentriolar satellite
A0036064cellular_componentciliary basal body
A0046039biological_processGTP metabolic process
A0046872molecular_functionmetal ion binding
A0051301biological_processcell division
A0070062cellular_componentextracellular exosome
Functional Information from PDB Data
site_idAC1
Number of Residues24
DetailsBINDING SITE FOR RESIDUE GDP A 1348
ChainResidue
AGLU43
AARG176
ATHR177
AARG178
AASN269
ALYS270
AASP272
ALEU273
ACYS325
AALA326
ATHR327
ASER44
AALF1349
AMG1350
AHOH2002
AHOH2015
AHOH2016
AGLY45
ALYS46
ASER47
ATHR48
AASP150
ASER151
ALEU175

site_idAC2
Number of Residues14
DetailsBINDING SITE FOR RESIDUE ALF A 1349
ChainResidue
AGLY42
AGLU43
ALYS46
AARG178
ALYS180
ATHR181
AVAL201
AGLY203
AGLN204
AGDP1348
AMG1350
AHOH2002
AHOH2012
AHOH2015

site_idAC3
Number of Residues6
DetailsBINDING SITE FOR RESIDUE MG A 1350
ChainResidue
ASER47
ATHR181
AGDP1348
AALF1349
AHOH2002
AHOH2015

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 Residues22
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"37137991","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"7X6I","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"8GVX","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI7
Number of Residues2
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"19478087","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"2IHB","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"2ODE","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"2V4Z","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI8
Number of Residues1
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"37137991","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"2V4Z","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"4G5R","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI9
Number of Residues1
DetailsModified residue: {"description":"ADP-ribosylarginine; by cholera toxin","evidences":[{"evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI10
Number of Residues1
DetailsModified residue: {"description":"Deamidated glutamine; by Photorhabdus PAU_02230","evidences":[{"source":"PubMed","id":"24141704","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI11
Number of Residues37
DetailsRegion: {"description":"Necessary to inhibit protein synthesis","evidences":[{"source":"PubMed","id":"19736320","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

Catalytic Information from CSA
site_idCSA1
Number of Residues4
DetailsAnnotated By Reference To The Literature 1ksj
ChainResidueDetails
ATHR181
AGLN204
AGLU43
AARG178

site_idCSA2
Number of Residues1
DetailsAnnotated By Reference To The Literature 1ksj
ChainResidueDetails
AGLN204

239492

PDB entries from 2025-07-30

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