Bif-1 Antibody

INQUIRY

CAT. NO.: AMA-0531

Target Information
UniProt ID	Q9Y371

Product Details
Size	100 µL
Reactivity	Human, Mouse, Rat
Storage	Store at -20°C. Do not aliquot the antibody.
Purification	Polyclonal antibodies are produced by immunizing animals with a synthetic peptide corresponding to residues surrounding Gly129 of human Bif-1 protein. Antibodies are purified by protein A and peptide affinity chromatography.

Usage
Application	WB, IP
Product Usage Information Dilution	Western Blotting (1:1000); Immunoprecipitation (1:50)
MW (Target)	42 kDa

Background
Bif-1/SH3GLB1/Endophilin-B1 is a member of the endophilin B family that was originally identified as a Bax binding protein through yeast two-hybrid screening Bif-1 does not have significant homology to other Bcl-2 family members, but rather contains an N-terminal Bin-Amphiphysin-Rvs (BAR) domain, typically involved in membrane dynamics, and a C-terminal SH3 domain. Overexpression of Bif-1 promotes Bax conformational change and apoptosis Likewise, loss of Bif-1 inhibits Bax and Bak activation, cytochrome c release, and caspase activation Bif-1 is localized to membranes of intracellular organelles and has been suggested to play a role in membrane dynamics, including that during autophagy. Bif-1 directly binds to UVRAG, forming a complex with Beclin-1, resulting in increased PI3-kinase class III/Vps34 activity required for autophagosome maturation Inhibition of GSK-3β, as seen during nutrient deprivation, results in increased expression of Bif-1, and can contribute to autophagic cell death Research studies have shown that loss of Bif-1 promotes tumorigenesis, and decreased expression of Bif-1 has been noted in several cancer types.

Background

Bif-1/SH3GLB1/Endophilin-B1 is a member of the endophilin B family that was originally identified as a Bax binding protein through yeast two-hybrid screening Bif-1 does not have significant homology to other Bcl-2 family members, but rather contains an N-terminal Bin-Amphiphysin-Rvs (BAR) domain, typically involved in membrane dynamics, and a C-terminal SH3 domain. Overexpression of Bif-1 promotes Bax conformational change and apoptosis Likewise, loss of Bif-1 inhibits Bax and Bak activation, cytochrome c release, and caspase activation Bif-1 is localized to membranes of intracellular organelles and has been suggested to play a role in membrane dynamics, including that during autophagy. Bif-1 directly binds to UVRAG, forming a complex with Beclin-1, resulting in increased PI3-kinase class III/Vps34 activity required for autophagosome maturation Inhibition of GSK-3β, as seen during nutrient deprivation, results in increased expression of Bif-1, and can contribute to autophagic cell death Research studies have shown that loss of Bif-1 promotes tumorigenesis, and decreased expression of Bif-1 has been noted in several cancer types.

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