Product Pathways - Apoptosis
DAP1 Antibody #2282
|2282S||100 µl (10 western blots)||---||In Stock||---|
|2282||carrier free and custom formulation / quantity||email request|
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|W||1:1000||Human, Mouse, Rat||Endogenous||15||Rabbit|
Species cross-reactivity is determined by western blot.
Applications Key: W=Western Blotting, IP=Immunoprecipitation
Specificity / Sensitivity
DAP1 Antibody detects endogenous levels of total DAP1 protein. It does not cross-react with other DAP family members.
Source / Purification
Polyclonal antibodies are produced by immunizing animals with a synthetic peptide corresponding to residues surrounding amino acid 94 of human DAP1. Antibodies are purified by protein A and peptide affinity chromatography.
Death associated protein 1 (DAP1) is a 15 kDa protein that functions as a positive mediator of cell death initiated by interferon-gamma (1, 2). The DAP1 protein is proline rich and possesses one SH3 binding motif, as well as several consensus protein kinase phosphorylation sites (1). The protein is localized in the cytoplasm, but the detailed mechanism of its proapoptotic function is unclear. Death associated protein 3 (DAP3) is widely expressed, and the expression is upregulated during membrane receptor-mediated apoptosis. In interferon-gamma- and Fas-induced apoptosis, DAP3 acts as a positive mediator, functioning downstream of the receptor signaling complex and upstream of the effector caspases (3,4). Death associated protein 5 (DAP5) is a 97 kDa protein with a high degree of amino acid sequence homology to eukaryotic translation initiation factor 4G (Elf4G) (1,5). Compared with elF4G, DAP5 lacks the amino-terminal region necessary for cap-dependent translation, and has a unique carboxy-terminal region that functions as a regulator of interferon-gamma-induced cell death (5,6). During induction of apoptosis, DAP5 is cleaved at aspartic acid 790. The carboxy-terminal truncated form of DAP5 functions as a cap-independent translation initiation factor responsible for the mediation of its own translation during apoptosis (7).
- Deiss, L.P. et al. (1995) Genes Dev 9, 15-30.
- Levy-Strumpf, N. and Kimchi, A. (1998) Oncogene 17, 3331-40.
- Kissil, J.L. et al. (1995) J Biol Chem 270, 27932-6.
- Kissil, J.L. et al. (1999) EMBO J 18, 353-62.
- Imataka, H. et al. (1997) EMBO J 16, 817-25.
- Levy-Strumpf, N. et al. (1997) Mol Cell Biol 17, 1615-25.
- Henis-Korenblit, S. et al. (2000) Mol Cell Biol 20, 496-506.
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