Catalog # AX5595

unphosphorylated AIFM1 (Ser-116) Peptide

Blocking Peptide

Application / Dilution
ELISA50 ng/well

Size 50 μg



Apoptosis-inducing factor (AIFM1, AIF, PDCD8) is a ubiquitously expressed flavoprotein that plays a critical role in caspase-independent apoptosis. AIFM1 is expressed as a 66 kDa precursor protein before being N-terminally cleaved to 62 kDa and localized to the mitochondrial intermembrane space. In response to apoptotic stimuli, AIFM1 is released from the mitochondrial intermembrane as a 57 kDa fragment that can translocate to the nucleus. Treatment of isolated nuclei with recombinant AIFM1 leads to early apoptotic events, such as chromatin condensation and large-scale DNA fragmentation. Studies of AIFM1 knockout mice have shown that the apoptotic activity of AIFM1 is cell type and stimuli-dependent. Also, AIFM1 was required for embryoid body cavitation, representing the first wave of programmed cell death during embryonic morphogenesis. Structural analysis of AIFM1 revealed two regions, an oxidoreductase activity and a DNA binding domain. AIFM1 has dual functions, a pro-apoptotic activity in the nucleus via its DNA binding and an anti-apoptotic activity via the scavenging of free radicals through its oxidoreductase activity.


Daugas, E. et al. (2000) FEBS Lett. 476:118.
Lipton, S.A. and Bossy-Wetzel, E. (2002) Cell 111:147.
Delavallee, L. et al. (2011) IUBMB Life. 63(4):221.

Unphosphorylated AIFM1 (Ser-116) synthetic peptide corresponding to amino acids surrounding Ser-116 in human AIFM1. This site is conserved in rat and mouse AIFM1, but the amino acids surrounding the site are not well conserved. The site is not found in AIFM2 and AIFM3.

*For more information, see UniProt Accession O95831
Blocking Peptide is supplied in 50µl phosphate-buffered saline and 0.05% sodium azide. Store at –20°C. Stable for 1 year.

The products are are safely shipped at ambient temperature for both domestic and international shipments. Each product is guaranteed to match the specifications as indicated on the corresponding technical data sheet. Please store at -20C upon arrival for long term storage.

The peptide is an unphosphorylated control peptide for AX5505. The peptide is recommended for use in ELISA and for blocking antibody reactivity in western blot and immunocytochemistry.

*All molecular weights (MW) are confirmed by comparison to Bio-Rad Rainbow Markers and to western blot mobilities of known proteins with similar MW.

This kit contains: