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FIGURE: 1 / 8
Suggested positive control: HeLa or 293, antigen standard for APIP (transient overexpression lysate).
The mammalian homologues of the key cell death gene CED-4 in C. elegans has been identified recently from human and mouse and designated Apaf 1 (for apoptosis protease-activating factor 1). Apaf 1 binds to cytochrome c (Apaf 2) and Caspase-9 (Apaf 3), which leads to Caspase-9 activation. Activated Caspase-9 in turn cleaves and activates Caspase-3 that is one of the key proteases, being responsible for the proteolytic cleavage of many key proteins in apoptosis. Recently, Cho et al (4) have identified a new Apaf 1 Interactiong Protein (APIP) also known as CG129 and MMRP19, as a negative regulator of ischemic injury. APIP competes with Caspase-9 binding site of Apaf 1. APIP is predicted to code for a 204 amino acid. An isoform of APIP, APIP2 encodes a 242 amino acid protein, which is an alternative splicing variant differing in its N-terminus from APIP. APIP transcript is ubiquitously expressed in most adult tissue with high expression in skeletal muscle, heart, and kidney.
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Protein Aliases: APAF1-interacting protein; APIP; CG129; dJ179L10.2; hAPIP; Methylthioribulose-1-phosphate dehydratase; monocyte macrophage 19; Monocyte/macrophage protein 19; MTRu-1-P dehydratase; probable methylthioribulose-1-phosphate dehydratase
Gene Aliases: APIP; APIP2; CGI-29; CGI29; hAPIP; MMRP19
UniProt ID: (Human) Q96GX9, (Mouse) Q9WVQ5
Entrez Gene ID: (Human) 51074, (Mouse) 56369
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