Structure of PDB 2ihb Chain A Binding Site BS02

Receptor Information
>2ihb Chain A (length=317) Species: 9606 (Homo sapiens) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
EVKLLLLGAGESGKSTIVKQMKIIHEDGYSEDECKQYKVVVYSNTIQSII
AIIRAMGRLKIDFGEAARADDARQLFVLAGSAEEGVMTPELAGVIKRLWR
DGGVQACFSRSREYQLNDSASYYLNDLDRISQSNYIPTQQDVLRTRVKTT
GIVETHFTFKDLYFKMFDVGGQRSERKKWIHCFEGVTAIIFCVALSDYDL
VLAEDEEMNRMHESMKLFDSICNNKWFTETSIILFLNKKDLFEEKIKRSP
LTICYPEYTGSNTYEEAAAYIQCQFEDLNRRKDTKEIYTHFTCATDTKNV
QFVFDAVTDVIIKNNLK
Ligand information
Ligand IDMG
InChIInChI=1S/Mg/q+2
InChIKeyJLVVSXFLKOJNIY-UHFFFAOYSA-N
SMILES
SoftwareSMILES
ACDLabs 10.04
OpenEye OEToolkits 1.5.0		[Mg+2]
CACTVS 3.341[Mg++]
FormulaMg
NameMAGNESIUM ION
ChEMBL
DrugBankDB01378
ZINC
PDB chain2ihb Chain A Residue 355 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB2ihb Structural diversity in the RGS domain and its interaction with heterotrimeric G protein alpha-subunits.
Resolution2.71 Å
Binding residue
(original residue number in PDB)		S47 T181
Binding residue
(residue number reindexed from 1)		S15 T149
Annotation score1
Enzymatic activity
Catalytic site (original residue number in PDB) E43 T48 R178 D200 Q204
Catalytic site (residue number reindexed from 1) E11 T16 R146 D168 Q172
Enzyme Commision number ?
Gene Ontology
Molecular Function
GO:0001664 G protein-coupled receptor binding
GO:0003924 GTPase activity
GO:0005515 protein binding
GO:0005525 GTP binding
GO:0019001 guanyl nucleotide binding
GO:0019003 GDP binding
GO:0031683 G-protein beta/gamma-subunit complex binding
GO:0046872 metal ion binding
Biological Process
GO:0007165 signal transduction
GO:0007186 G protein-coupled receptor signaling pathway
GO:0007188 adenylate cyclase-modulating G protein-coupled receptor signaling pathway
GO:0007193 adenylate cyclase-inhibiting G protein-coupled receptor signaling pathway
GO:0007194 negative regulation of adenylate cyclase activity
GO:0007212 G protein-coupled dopamine receptor signaling pathway
GO:0016239 positive regulation of macroautophagy
GO:0046039 GTP metabolic process
GO:0051301 cell division
Cellular Component
GO:0000139 Golgi membrane
GO:0005654 nucleoplasm
GO:0005730 nucleolus
GO:0005737 cytoplasm
GO:0005765 lysosomal membrane
GO:0005789 endoplasmic reticulum membrane
GO:0005794 Golgi apparatus
GO:0005813 centrosome
GO:0005834 heterotrimeric G-protein complex
GO:0005856 cytoskeleton
GO:0005886 plasma membrane
GO:0016020 membrane
GO:0030496 midbody
GO:0070062 extracellular exosome

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Molecular Function
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Biological Process
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Cellular Component
External links
PDB RCSB:2ihb, PDBe:2ihb, PDBj:2ihb
PDBsum2ihb
PubMed18434541
UniProtP08754|GNAI3_HUMAN Guanine nucleotide-binding protein G(i) subunit alpha-3 (Gene Name=GNAI3)

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