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Gene: SAR1B (secretion associated Ras related GTPase 1B) Homo sapiens
Symbol: SAR1B
Name: secretion associated Ras related GTPase 1B
Description: Predicted to have GTPase activity. Predicted to be involved in several processes, including endoplasmic reticulum to Golgi vesicle-mediated transport; intracellular protein transport; and regulation of intracellular transport. Predicted to localize to the COPII vesicle coat and endoplasmic reticulum exit site. Implicated in chylomicron retention disease.
Type: protein-coding
RefSeq Status: REVIEWED
Also known as: 2310075M17Rik; ANDD; CMRD; GTBPB; GTP-binding protein B; GTP-binding protein SAR1b; GTP-binding protein Sara; SAR1 gene homolog B (S. cerevisiae); SAR1 homolog B; SAR1a gene homolog 2; sar1a gene homolog 2 (s. cerevisiae); SARA2; secretion associated, Ras related GTPase 1B
Mus musculus (house mouse) : Sar1b (secretion associated Ras related GTPase 1B)  MGI  Alliance
Rattus norvegicus (Norway rat) : Sar1b (secretion associated, Ras related GTPase 1B)  Alliance
Chinchilla lanigera (long-tailed chinchilla) : Sar1b (secretion associated Ras related GTPase 1B)
Pan paniscus (bonobo/pygmy chimpanzee) : SAR1B (secretion associated Ras related GTPase 1B)
Canis lupus familiaris (dog) : SAR1B (secretion associated Ras related GTPase 1B)
Ictidomys tridecemlineatus (thirteen-lined ground squirrel) : Sar1b (secretion associated Ras related GTPase 1B)
Sus scrofa (pig) : SAR1B (secretion associated Ras related GTPase 1B)
more info ...
Allele / Splice: See ClinVar data
Latest Assembly: GRCh38 - Human Genome Assembly GRCh38
Human AssemblyChrPosition (strand)SourceGenome Browsers
GRCh38 Ensembl5134,601,149 - 134,649,271 (-)Ensembl
GRCh385134,601,149 - 134,632,828 (-)NCBIGRCh38GRCh38hg38GRCh38
GRCh375133,936,839 - 133,968,533 (-)NCBIGRCh37GRCh37hg19GRCh37
Build 365133,970,018 - 133,996,426 (-)NCBINCBI36hg18NCBI36
Build 345133,970,018 - 133,996,426NCBI
Celera5130,062,739 - 130,094,663 (-)NCBI
Cytogenetic Map5q31.1NCBI
HuRef5129,123,090 - 129,154,586 (-)NCBIHuRef
CHM1_15133,369,453 - 133,401,131 (-)NCBICHM1_1
JBrowse: View Region in Genome Browser (JBrowse)

Disease Annotations
Gene-Chemical Interaction Annotations
Gene Ontology Annotations
Molecular Pathway Annotations
Phenotype Annotations
References - curated
References - uncurated


Comparative Map Data
Position Markers
miRNA Target Status


RNA-SEQ Expression


Nucleotide Sequences
Protein Sequences
Clinical Variants

Additional Information

External Database Links
Nomenclature History
More on SAR1B
Alliance Gene
Ensembl Gene
JBrowse: hg19 hg38
HGNC Report
NCBI Genome Data Viewer

CRRD Object Information
CRRD ID: 1313710
Created: 2005-01-12
Species: Homo sapiens
Last Modified: 2019-12-25
Status: ACTIVE


RGD is funded by grant HL64541 from the National Heart, Lung, and Blood Institute on behalf of the NIH.