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XIAP Antibody Blocking Peptide

Novus Biologicals, part of Bio-Techne | Catalog # NB100-56187PEP

Novus Biologicals, part of Bio-Techne
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NB100-56187PEP

Key Product Details

Conjugate

Unconjugated

Applications

Antibody Competition

Product Specifications

Description

Application Notes

This peptide is useful as a blocking peptide for NB100-56187. For further blocking peptide related protocol, click here.

Specificity

This peptide is specific for NB100-56187 only.

Protein / Peptide Type

Antibody Blocking Peptide

Formulation, Preparation and Storage

NB100-56187PEP
Formulation Peptide dissolved in dH20. Contains no BSA.
Preservative No Preservative
Concentration 1 mg/ml
Shipping The product is shipped with dry ice or equivalent. Upon receipt, store it immediately at the temperature recommended below.
Stability & Storage Store at -80C. Avoid freeze-thaw cycles.

Background: XIAP

XIAP [human X-linked IAP, hILP (human IAP-like protein), MIHA, BIRC4) is a member of the family of inhibitor of apoptosis proteins (IAP). IAPs suppress mitochondria-dependent and independent apoptosis by binding to and inhibiting caspases through their BIR domains (reviewed in Liston et al, 2003; Wright and Duckett, 2005). Resistance towards apoptosis is a hallmark of cancer cells, and overexpression of IAPs can contribute to the development of cancer though inhibiting apoptosis. In addition to at least one BIR domain, some IAP members also have a RING-type finger motif at their carboxyl-terminal. The RING finger domain of several IAPs, including XIAP, have E3 ubiquitin ligase activity and target the degradation of Smac/DIABLO through ubqiuitination (Morizane et al, 2005). Smac/DIABLO is a death inducer and functions by inhibiting IAP-caspase interactions, thereby promoting apoptosis. Degradation of cell death inducers like Smac/DIABLO is thought to be a conserved mechanism by which IAPs enhance their anti-apoptotic activity, thereby promoting cell survival. XIAP is highly characterized with respect to its structure and biochemical mechanisms, and has received interest as a therapeutic target (reviewed in Schimmer, 2006). Since XIAP blocks a substantial portion of the apoptosis pathway and is associated with chemoresistance in cancer cells, inhibiting XIAP has been a focus for potential therapeutics. Approaches have included antisense oligonucleotides and small molecule inhibitors. Small molecules that that target the BIR2 and BIR3 domains of XIAP are considered particularly attractive. This is because the BIR domains inhibit caspase activity, and it is thought that removing the inhibition should increase the cell's ability to undergo apoptosis as well as decrease its potential for chemoresistance. Full-length human XIAP is a 497 amino acid protein and migrates at approx. 53 kDa on SDS-PAGE.

Long Name

X-linked Inhibitor of Apoptosis

Alternate Names

BIRC4

Gene Symbol

XIAP

Additional XIAP Products

Product Documents for XIAP Antibody Blocking Peptide

Certificate of Analysis

To download a Certificate of Analysis, please enter a lot number in the search box below.

Product Specific Notices for XIAP Antibody Blocking Peptide

This product is for research use only and is not approved for use in humans or in clinical diagnosis. This product is guaranteed for 1 year from date of receipt.

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