UniProt Accession

 SAR1B_RAT; Q5HZY2 

Genbank Protein ID

 BC088842 

Genbank Nucleotide ID

 AAH88842.1 

Protein Name

 GTP-binding protein SAR1b 

Protein Synonyms/Alias

  

Gene Name

 Sar1b 

Gene Synonyms/Alias

  

Created Date

 July 27, 2013 

Organism

 Rattus norvegicus (Rat) 

NCBI Taxa ID

 10116 

Lysine Modification

Position	Peptide	Type	References
46	TTLLHMLKDDRLGQH	acetylation	[1]

Reference

 [1] Proteomic analysis of lysine acetylation sites in rat tissues reveals organ specificity and subcellular patterns.
 Lundby A, Lage K, Weinert BT, Bekker-Jensen DB, Secher A, Skovgaard T, Kelstrup CD, Dmytriyev A, Choudhary C, Lundby C, Olsen JV.
 Cell Rep. 2012 Aug 30;2(2):419-31. [PMID: 22902405] 

Functional Description

 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). 

Sequence Annotation

 NP_BIND 32 39 GTP (By similarity).
 NP_BIND 75 78 GTP (By similarity).
 NP_BIND 134 137 GTP (By similarity).
 METAL 34 34 Magnesium (By similarity).
 METAL 75 75 Magnesium (By similarity).  

Keyword

 Complete proteome; Endoplasmic reticulum; ER-Golgi transport; Golgi apparatus; GTP-binding; Magnesium; Membrane; Metal-binding; Nucleotide-binding; Protein transport; Reference proteome; Transport. 

Sequence Source

 UniProt (SWISSPROT/TrEMBL); GenBank; EMBL 

Protein Length

 198 AA 

Protein Sequence

Gene Ontology

 GO:0005789; C:endoplasmic reticulum membrane; IEA:UniProtKB-SubCell.
 GO:0032580; C:Golgi cisterna membrane; IEA:UniProtKB-SubCell.
 GO:0005525; F:GTP binding; IEA:UniProtKB-KW.
 GO:0046872; F:metal ion binding; IEA:UniProtKB-KW.
 GO:0006886; P:intracellular protein transport; IEA:InterPro.
 GO:0016192; P:vesicle-mediated transport; IEA:UniProtKB-KW. 

Interpro

 IPR027417; P-loop_NTPase.
 IPR005225; Small_GTP-bd_dom.
 IPR006689; Small_GTPase_ARF/SAR.
 IPR006687; Small_GTPase_SAR1. 

Pfam

 PF00025; Arf 

SMART

 SM00178; SAR 

PROSITE

 PS51422; SAR1 

PRINTS

 PR00328; SAR1GTPBP.