|Application ||WB, IHC|
|Calculated MW||68372 Da|
|Other Names||Baculoviral IAP repeat-containing protein 3, 632-, Apoptosis inhibitor 2, API2, C-IAP2, IAP homolog C, Inhibitor of apoptosis protein 1, IAP-1, hIAP-1, hIAP1, RING finger protein 49, TNFR2-TRAF-signaling complex protein 1, BIRC3, API2, IAP1, MIHC, RNF49|
|Target/Specificity||A synthetic peptide corresponding to residues, before the breakpoint for translocation to form BIRC3-MALT1, of Human BIP3 was used as immunogen. The antibody does not cross-react with other IAP family members.|
|Format||50 mM Tris-Glycine (pH 7.4), 0.15 M NaCl, 40% Glycerol, 0.01% sodium azide and 0.05% BSA.|
|Storage||Maintain refrigerated at 2-8°C for up to 6 months. For long term storage store at -20°C in small aliquots to prevent freeze-thaw cycles.|
|Precautions||HIAP-1 (BIR3) Antibody is for research use only and not for use in diagnostic or therapeutic procedures.|
|Synonyms||API2, MIHC, RNF49|
|Function||Multi-functional protein which regulates not only caspases and apoptosis, but also modulates inflammatory signaling and immunity, mitogenic kinase signaling and cell proliferation, as well as cell invasion and metastasis. Acts as an E3 ubiquitin- protein ligase regulating NF-kappa-B signaling and regulates both canonical and non-canonical NF-kappa-B signaling by acting in opposite directions: acts as a positive regulator of the canonical pathway and suppresses constitutive activation of non-canonical NF-kappa-B signaling. The target proteins for its E3 ubiquitin- protein ligase activity include: RIPK1, RIPK2, RIPK3, RIPK4, CASP3, CASP7, CASP8, IKBKE, TRAF1, and BCL10. Acts as an important regulator of innate immune signaling via regulation of Toll-like receptors (TLRs), Nodlike receptors (NLRs) and RIG-I like receptors (RLRs), collectively referred to as pattern recognition receptors (PRRs). Protects cells from spontaneous formation of the ripoptosome, a large multi-protein complex that has the capability to kill cancer cells in a caspase-dependent and caspase- independent manner. Suppresses ripoptosome formation by ubiquitinating RIPK1 and CASP8.|
|Cellular Location||Cytoplasm. Nucleus|
|Tissue Location||Highly expressed in fetal lung, and kidney. In the adult, expression is mainly seen in lymphoid tissues, including spleen, thymus and peripheral blood lymphocytes|
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Provided below are standard protocols that you may find useful for product applications.
cIAP-2, also known as HIAP-1, is a member of the inhibitor of apoptosis (IAP) family of proteins. These proteins contain a BIR (baculovirus IAP repeat) domain near the amino-terminus (1). cIAP-2 is localized to the cytoplasm. The BIR motifs region interacts with TNF receptor associated factors 1 and 2 (TRAF1 and TRAF2) to form a heteromeric complex, which is then recruited to the tumor necrosis factor receptor 2 (TNFR2). This complex is thought to play a role in inhibition of apoptosis (2,3). cIAP-2 inhibits cytochrome c-induced activation of caspase-9, thereby preventing initiation of the caspase cascade and apoptosis (4).
1. Rothe, M. et al. The TNFR2-TRAF signaling complex contains two novel proteins related to baculoviral inhibitor of apoptosis proteins. Cell 83(7): 1243
2. Shu, H.B. et al. The tumor necrosis factor receptor 2 signal transducers TRAF2 and c-IAP1 are components of the tumor necrosis factor receptor 1 signaling complex. PNAS USA 93(10): 4974
3. Liston, P. et al. Suppression of apoptosis in mammalian cells by NAIP and a related family of IAP genes. Nature 379(6563): 349
4. Deveraux, Q.L. et al. IAPs block apoptotic events induced by caspase-8 and cytochrome c by direct inhibition of distinct caspases. EMBO J. 17: 2215
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