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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 Residues3
DetailsBINDING: BINDING => ECO:0007744|PDB:2IHB, ECO:0007744|PDB:2ODE, ECO:0007744|PDB:2V4Z, ECO:0007744|PDB:4G5O, ECO:0007744|PDB:4G5R, ECO:0007744|PDB:4G5S
ChainResidueDetails
AGLU43
ALEU175
AASN269

site_idSWS_FT_FI2
Number of Residues2
DetailsBINDING: BINDING => ECO:0000269|PubMed:19478087, ECO:0007744|PDB:2V4Z
ChainResidueDetails
ASER47
ATHR181

site_idSWS_FT_FI3
Number of Residues1
DetailsBINDING: BINDING => ECO:0007744|PDB:2V4Z, ECO:0007744|PDB:4G5O, ECO:0007744|PDB:4G5R, ECO:0007744|PDB:4G5S
ChainResidueDetails
AASP150

site_idSWS_FT_FI4
Number of Residues1
DetailsBINDING: BINDING => ECO:0000305|PubMed:19478087, ECO:0007744|PDB:2V4Z
ChainResidueDetails
AASP200

site_idSWS_FT_FI5
Number of Residues1
DetailsBINDING: BINDING => ECO:0007744|PDB:2IHB, ECO:0007744|PDB:2ODE, ECO:0007744|PDB:2V4Z, ECO:0007744|PDB:4G5O, ECO:0007744|PDB:4G5R
ChainResidueDetails
AALA326

site_idSWS_FT_FI6
Number of Residues1
DetailsMOD_RES: ADP-ribosylarginine; by cholera toxin => ECO:0000250
ChainResidueDetails
AARG178

site_idSWS_FT_FI7
Number of Residues1
DetailsMOD_RES: Deamidated glutamine; by Photorhabdus PAU_02230 => ECO:0000269|PubMed:24141704
ChainResidueDetails
AGLN204

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

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PDB entries from 2025-06-11

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