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A4471 Sigma

Anti-ARTS antibody, Mouse monoclonal

clone ARTS51, purified from hybridoma cell culture

Synonym: Anti-Apoptosis-Related Protein in the TGF-β Signaling Pathway, Monoclonal Anti-ARTS antibody produced in mouse



Related Categories AR-AR, Alphabetical Index, Antibodies, Antibodies for Apoptosis, Antibodies for Cell Biology,
species reactivity   human
application(s)   immunocytochemistry: suitable
  indirect ELISA: suitable
  microarray: suitable
  western blot: 0.5-1 μg/mL using a whole extract of transfected 293T (human embryonal kidney) cells expressing ARTS
clone   ARTS51, monoclonal
concentration   ~2 mg/mL
antibody form   purified immunoglobulin
form   buffered aqueous solution
isotype   IgG2b
mol wt   antigen mol wt 32 kDa
shipped in   dry ice
storage temp.   −20°C
Gene Information   human ... SEPT4(5414)
biological source   mouse
conjugate   unconjugated



synthetic peptide corresponding to C-terminal region (amino acids 247-266) of human ARTS protein, conjugated to KLH.

General description

Apoptosis-related protein in TGF-β signaling pathway (ARTS) is a novel mitochondrial protein that mediates apoptosis induced by a variety of pro-apoptotic stimuli. Originally found to be essential for apoptosis induced by transforming growth factor-β (TGF-β) ARTS was later shown to be a key apoptotic protein mediating apoptosis initiated by other inducers. Mouse monoclonal anti-ARTS antibody recognizes an epitope within amino acids 247-266 of human ARTS molecule.

Physical form

Solution in 0.01 M phosphate buffered saline, pH 7.4, containing 15 mM sodium azide.


This monoclonal anti-ARTS antibody was used to detect ARTS (Sept4_i2) protein in whole lysates of HeLa cells. HeLa ARTS knockdown (ARTS KD) stable cell line was established by using short hairpin RNAs (shRNAs) which abrogated specifically the endogenous levels of ARTS (Sept4_i2, ~30Kd)

This monoclonal Ab is the only currently commercially available antibody directed against the unique C-terminus of ARTS, that can distinguish betweenARTS ( the pro-apoptotic, tumor suppressor, specific XIAP- antagonist) and Sept4_i1 (H5,PNUTL), which is the other product of the SEPT4 gene.


Immunoprecipitation of COS-7 cell lysates was performed using 10 μl of monoclonal mouse anti-ARTS antibody. Antibody was allowed to bind for 4 hours on ice before precipitated using G-sepharose beads.

Monoclonal anti-ARTS antibody has been used for western blot assays. The antibody has also been used for immunostaining applications. Furthermore, the product is suitable for use in indirect ELISA microarray and immunocytochemistry assays.

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