Rabbit anti-Human Smac/Diablo Polyclonal Antibody

Uniprot Id

Q9NR28

Target Species

Human

Target Name

DIABLO

Target Full Name

Diablo IAP-binding mitochondrial protein

Target Function

Promotes apoptosis by activating caspases in the cytochrome c/Apaf-1/caspase-9 pathway. Acts by opposing the inhibitory activity of inhibitor of apoptosis proteins (IAP). Inhibits the activity of BIRC6/bruce by inhibiting its binding to caspases. Isoform 3 attenuates the stability and apoptosis-inhibiting activity of XIAP/BIRC4 by promoting XIAP/BIRC4 ubiquitination and degradation through the ubiquitin-proteasome pathway. Isoform 3 also disrupts XIAP/BIRC4 interacting with processed caspase-9 and promotes caspase-3 activation. Isoform 1 is defective in the capacity to down-regulate the XIAP/BIRC4 abundance.

Target Involvement

Deafness, autosomal dominant, 64 (DFNA64)

Target Subcellular Location

Mitochondrion. Note=Released into the cytosol when cells undergo apoptosis.

Target Tissue Specificity

Ubiquitously expressed with highest expression in testis. Expression is also high in heart, liver, kidney, spleen, prostate and ovary. Low in brain, lung, thymus and peripheral blood leukocytes. Isoform 3 is ubiquitously expressed.

Target Research Area

Cancer

Target Synonyms

0610041G12Rik; DBLOH_HUMAN; DBOH; DFNA64; diablo; Diablo homolog (Drosophila); Diablo homolog; Diablo homolog mitochondrial ; Diablo IAP binding mitochondrial protein; Diablo like protein; DIABLO S; Direct IAP binding protein with low pI ; Direct IAP-binding protein with low pI; FLJ10537; FLJ25049; mitochondrial; Mitochondrial Smac protein ; Second mitochondria derived activator of caspase ; Second mitochondria-derived activator of caspase; second mitochondrial activator of caspases; SMAC 3; Smac; Smac protein; SMAC3

Target Background

This gene encodes an inhibitor of apoptosis protein (IAP)-binding protein. The encoded mitochondrial protein enters the cytosol when cells undergo apoptosis, and allows activation of caspases by binding to inhibitor of apoptosis proteins. Overexpression of the encoded protein sensitizes tumor cells to apoptosis. A mutation in this gene is associated with young-adult onset of nonsyndromic deafness-64. Alternative splicing results in multiple transcript variants encoding different isoforms.