APAF-1 Products

Description

Apaf 1 (apoptosis protease-activating factor-1) is a key regulator of the mitochondrial apoptotic pathway (reviewed in Campioni et al, 2005), being the central element of the multimeric apoptosome. The apoptosome consists of cytochrome c, procaspase-9 and seven Apaf 1 monomers, and is considered to be core apoptotic machinery that executes mitochondria-dependent apoptosis. Cytochrome c, normally compartmentalized in the mitochorndria, is released into the cytoplasm following apoptotic stimuli. Apaf 1 binds cytochrome c in the cytoplasm and in the presence of dATP/ATP forms the apoptosome. The apoptosome binds procaspase-9 and promotes its autocatalytic activation. Active caspase-9, in turn, activates downstream caspases including 3, 6, and 7 contributing to the proteolytic caspase activation cascade which leads to cell death. Apaf 1 is an approx. 130 kDa protein. Alternative Apaf 1 splicing isoforms of Apaf 1 have been identified in mammalian cells, each having either or both an 11 amino acid insertion in the N-terminus and an additional WD40 repeat (43 aa) in the C-terminus; please refer to AceView of NCBI (http://www.ncbi.nih.gov/IEB/Research/Acembly/) for detailed information. Additionally, Apaf 1 can be proteolytically processed by active caspase-3 during apoptosis resulting in an Apaf 1 cleavage fragment of ~84 kDa (Lauber et al. 2001).

Bioinformatics

Entrez	11783 Mouse 317 Human
Uniprot	AAC51678 Human NP_001151.1 Human NP_037361 Human NP_863658 Human NP_863658.1 Human NP_863659 Human O14727 Human
Product By Gene ID	317
Alternate Names	APAF-1apoptotic protease activating factor 1 apoptotic peptidase activating factor 1 apoptotic peptidase activating factor apoptotic protease activating factor apoptotic protease-activating factor 1 CED4 DKFZp781B1145 KIAA0413

Research Areas for APAF-1

Find related products by research area and learn more about each of the different research areas below.

Apoptosis
Cancer
Cell Biology
Mitochondrial Markers
Tumor Suppressors

Related APAF-1 Blog Posts

Check out the latest blog posts on APAF-1.

The Role of the Caspase 3 Antibody in Apoptosis Research The caspases are a group of cysteine protease enzymes essential to apoptosis, inflammation and necrosis. Caspase 3 has been identified as one of the key mediators of apoptosis.Human caspases form three distinct groups: cytokine activators, which are...    Read more.

Heat Shock Proteins: An Overview Heat Shock Proteins (HSPs) are a ubiquitous group of molecular chaperone proteins that have evolved unique mechanisms, within their host cells, to facilitate survival in hostile environments such as heat, oxidative (hypoxia), pH and cold. Under permis...    Read more.

Caspase 9 - an important apoptosis marker Caspases are essential mediators of programmed cell death and are needed for both the induction of apoptosis as well as for aiding the degradation of cellular structures. Initiator caspases (such as Caspase-9) sense and respond to various signals i...    Read more.

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