Bos taurus Protein: SAR1B
Summary
InnateDB Protein IDBP-698559.2
Last Modified 2014-10-13 [Report errors or provide feedback]
Gene Symbol SAR1B
Protein Name GTP-binding protein SAR1b
Synonyms
Species Bos taurus
Ensembl Protein ENSBTAP00000028280
InnateDB Gene IDBG-645807 (SAR1B)
Protein Structure
UniProt Annotation
Function Involved in transport from the endoplasmic reticulum to the Golgi apparatus. Activated by the guanine nucleotide exchange factor PREB. Involved in the selection of the protein cargo and the assembly of the COPII coat complex (By similarity). {ECO:0000250}.
Subcellular Localization Endoplasmic reticulum membrane {ECO:0000250}; Peripheral membrane protein {ECO:0000250}. Golgi apparatus, Golgi stack membrane {ECO:0000250}; Peripheral membrane protein {ECO:0000250}. Note=Associated with the endoplasmic reticulum and Golgi stacks, in particular in the juxta-nuclear Golgi region. {ECO:0000250}.
Disease Associations
Tissue Specificity
Comments
Interactions
Number of Interactions This gene and/or its encoded proteins are associated with 0 experimentally validated interaction(s) in this database.
Gene Ontology

Molecular Function
Accession GO Term
GO:0000166 nucleotide binding
GO:0003924 GTPase activity
GO:0004871 signal transducer activity
GO:0005525 GTP binding
GO:0019001 guanyl nucleotide binding
GO:0031683 G-protein beta/gamma-subunit complex binding
GO:0046872 metal ion binding
Biological Process
GO:0006810 transport
GO:0006886 intracellular protein transport
GO:0007186 G-protein coupled receptor signaling pathway
GO:0007264 small GTPase mediated signal transduction
GO:0015031 protein transport
GO:0016192 vesicle-mediated transport
Cellular Component
GO:0005622 intracellular
GO:0005783 endoplasmic reticulum
GO:0005789 endoplasmic reticulum membrane
GO:0005794 Golgi apparatus
GO:0016020 membrane
GO:0032580 Golgi cisterna membrane
Protein Structure and Domains
PDB ID
InterPro IPR001019 Guanine nucleotide binding protein (G-protein), alpha subunit
IPR001806 Small GTPase superfamily
IPR005225 Small GTP-binding protein domain
IPR006687 Small GTPase superfamily, SAR1-type
IPR006689 Small GTPase superfamily, ARF/SAR type
IPR013684 Mitochondrial Rho-like
IPR019009 Signal recognition particle receptor, beta subunit
IPR024156 Small GTPase superfamily, ARF type
IPR027417 P-loop containing nucleoside triphosphate hydrolase
PFAM PF00503
PF00071
PF00025
PF08477
PF09439
PRINTS PR00318
PR00449
PR00328
PIRSF
SMART SM00275
SM00178
SM00177
TIGRFAMs
Post-translational Modifications
Modification
Cross-References
SwissProt Q3T0T7
PhosphoSite PhosphoSite-
TrEMBL
UniProt Splice Variant
Entrez Gene 515999
UniGene
RefSeq NP_001030392
HUGO
OMIM
CCDS
HPRD
IMGT
EMBL BC102266
GenPept AAI02267