Homo sapiens Protein: GNB3
Summary
InnateDB Protein IDBP-15166.5
Last Modified 2014-10-13 [Report errors or provide feedback]
Gene Symbol GNB3
Protein Name guanine nucleotide binding protein (G protein), beta polypeptide 3
Synonyms
Species Homo sapiens
Ensembl Protein ENSP00000229264
InnateDB Gene IDBG-15164 (GNB3)
Protein Structure
UniProt Annotation
Function Guanine nucleotide-binding proteins (G proteins) are involved as a modulator or transducer in various transmembrane signaling systems. The beta and gamma chains are required for the GTPase activity, for replacement of GDP by GTP, and for G protein- effector interaction.
Subcellular Localization
Disease Associations
Tissue Specificity
Comments
Interactions
Number of Interactions This gene and/or its encoded proteins are associated with 38 experimentally validated interaction(s) in this database.
Experimentally validated
Total 38 [view]
Protein-Protein 38 [view]
Protein-DNA 0
Protein-RNA 0
DNA-DNA 0
RNA-RNA 0
DNA-RNA 0
Gene Ontology

Molecular Function
Accession GO Term
GO:0003924 GTPase activity
GO:0004871 signal transducer activity
GO:0005515 protein binding
GO:0030507 spectrin binding
GO:0051020 GTPase binding
Biological Process
GO:0006112 energy reserve metabolic process
GO:0006184 GTP catabolic process
GO:0007186 G-protein coupled receptor signaling pathway
GO:0007268 synaptic transmission
GO:0008217 regulation of blood pressure
GO:0044281 small molecule metabolic process
GO:0071377 cellular response to glucagon stimulus
Cellular Component
GO:0005886 plasma membrane
GO:0043005 neuron projection
GO:0044297 cell body
Protein Structure and Domains
PDB ID
InterPro IPR001632 G-protein, beta subunit
IPR001680 WD40 repeat
IPR016346 Guanine nucleotide-binding protein, beta subunit
IPR017986 WD40-repeat-containing domain
IPR020472 G-protein beta WD-40 repeat
PFAM PF00400
PRINTS PR00319
PR00320
PIRSF PIRSF002394
SMART SM00320
TIGRFAMs
Post-translational Modifications
Modification
Cross-References
SwissProt P16520
PhosphoSite PhosphoSite-P16520
TrEMBL Q8IWZ9
UniProt Splice Variant
Entrez Gene 2784
UniGene Hs.631657
RefSeq NP_002066
HUGO HGNC:4400
OMIM 139130
CCDS CCDS8564
HPRD 00743
IMGT
EMBL AB593099 AF501884 AF519545 AY631872 BC000115 BC002454 BC015920 BT009800 CH471116 M31328 U47924 U47930 Y12050 Y12051 Y12052 Y12053 Y12054 Y12055 Y12056 Y12057 Y12058
GenPept AAA52582 AAB51313 AAC50468 AAH00115 AAH02454 AAH15920 AAM15920 AAN77120 AAP88802 AAT38116 BAJ84039 CAA72779 EAW88730