Rabbit anti-Human SAR1B Polyclonal Antibody | anti-SAR1B antibody
SAR1B, ID (SAR1B, SARA2, SARB, GTP-binding protein SAR1b, GTP-binding protein B) (FITC)
FLISA: 1:1,000
IHC: 1:50-100
WB: 1:100-500
Applications are based on unconjugated antibody.
Immunohistochemistry (IHC)
(SAR1B antibody (Center) immunohistochemistry analysis in formalin fixed and paraffin embedded human skeletal muscle followed by peroxidase conjugation of the secondary antibody and DAB staining. This data demonstrates the use of the SAR1B antibody (Center) for immunohistochemistry. Clinical relevance has not been evaluated.)
Western Blot (WB)
(SAR1B Antibody (Center) western blot analysis in MCF-7,MDA-MB453 cell line lysates (35ug/lane).This demonstrates the SAR1B antibody detected the SAR1B protein (arrow).)
NCBI and Uniprot Product Information
NCBI Description
The protein encoded by this gene is a small GTPase that acts as a homodimer. The encoded protein is activated by the guanine nucleotide exchange factor PREB and is involved in protein transport from the endoplasmic reticulum to the Golgi. This protein is part of the COPII coat complex. Defects in this gene are a cause of chylomicron retention disease (CMRD), also known as Anderson disease (ANDD). Two transcript variants encoding the same protein have been found for this gene. [provided by RefSeq, Mar 2010]
Uniprot Description
SAR1B: 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. Defects in SAR1B are the cause of chylomicron retention disease (CMRD); also known as Anderson disease (ANDD). CMRD is an autosomal recessive disorder of severe fat malabsorption associated with failure to thrive in infancy. The condition is characterized by deficiency of fat-soluble vitamins, low blood cholesterol levels, and a selective absence of chylomicrons from blood. Affected individuals accumulate chylomicron-like particles in membrane-bound compartments of enterocytes, which contain large cytosolic lipid droplets. Belongs to the small GTPase superfamily. SAR1 family.
Protein type: G protein, monomeric; G protein; G protein, monomeric, SAR1; Motility/polarity/chemotaxis
Chromosomal Location of Human Ortholog: 5q31.1
Cellular Component: endoplasmic reticulum membrane; cytosol
Molecular Function: GTPase activity; GTP binding; metal ion binding
Biological Process: COPII coating of Golgi vesicle; intracellular protein transport; ER to Golgi vesicle-mediated transport; antigen processing and presentation of peptide antigen via MHC class I; cellular protein metabolic process; antigen processing and presentation of exogenous peptide antigen via MHC class II; protein amino acid N-linked glycosylation via asparagine; post-translational protein modification
Disease: Chylomicron Retention Disease