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BID a pro-apoptotic member of the Bcl-2 superfamily. Targets intracellular membranes and contains a BH3 death domain. Heterodimerizes with either the pro-apoptotic protein BAX or the anti-apoptotic protein BCL2, antagonizing its protective effect. The activity of BID is regulated by Caspase 8-mediated cleavage, exposing the BH3 domain and significantly changing the surface charge and hydrophobicity, causing translocation to mitochondria where it triggers cytochrome c release. Multiple alternatively spliced variants have been found. Note: This description may include information from UniProtKB.
Protein type: Apoptosis; Mitochondrial
Chromosomal Location of Human Ortholog: 22q11.21
Cellular Component: cytosol; membrane; mitochondrial outer membrane; mitochondrion
Molecular Function: death receptor binding; protein binding
Biological Process: apoptotic mitochondrial changes; DNA damage response, signal transduction; induction of apoptosis via death domain receptors; neuron apoptosis; positive regulation of apoptosis; positive regulation of protein homooligomerization; positive regulation of protein oligomerization; regulation of apoptosis; release of cytochrome c from mitochondria
Reference #:  P55957 (UniProtKB)
Alt. Names/Synonyms: apoptic death agonist; BH3 interacting domain death agonist; BH3-interacting domain death agonist; BH3-interacting domain death agonist p11; BH3-interacting domain death agonist p13; BH3-interacting domain death agonist p15; BID; BID isoform ES(1b); BID isoform L(2); BID isoform Si6; desmocollin type 4; FP497; Human BID coding sequence; MGC15319; MGC42355; p11 BID; p13 BID; p15 BID; p22 BID
Gene Symbols: BID
Molecular weight: 21,995 Da
Basal Isoelectric point: 5.27  Predict pI for various phosphorylation states
CST Pathways:  Apoptosis Regulation  |  Death Receptor Signaling  |  Inhibition of Apoptosis  |  Mitochondrial Control of Apoptosis
Protein-Specific Antibodies or siRNAs from Cell Signaling Technology® Total Proteins
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