MTAP (Tumor Suppressor Marker) [MTAP/3137R]

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Summary

Recognizes a protein of 31kDa, which is identified as MTAP (5'-deoxy-5'-methylthioadenosine phosphorylase). It catalyzes the reversible phosphorolysis of methylthioadenosine, which is important in polyamine metabolism and for the salvage of adenine and methionine. The gene encoding MTAP is linked to the tumor suppressor gene, p16INK4A. Deficient levels of MTAP can occur in cancers primarily through co-deletion of the MTAP gene and the p16INK4A gene. Cells expressing MTAP and possessing adenine salvage pathway activity may be less susceptible to malignancy due to growth-inhibitory actions of agents (e.g. antifolates), whose mechanism of action, in part, involves this de novo purine pathway.

Product Properties & Targets

Host
Species Reactivity
Isotype
IgG
Cellular Localization
Gene Name
MTAP
Mol. Weight of Antigen
31kDa
Immunogen
Recombinant human MTAP protein fragment (aa97-196) (exact sequence is proprietary)

Database Links

Entrez Gene ID
Unigene
SwissProt

Additional Information

Clone
MTAP/3137R
Human Gene Symbol
MTAP
Chromosome Location
9p21.3

Known Applications & Suggested Dilutions

  • ELISA (Use Ab at 2-4ug/ml for coating) (Order Ab without BSA)
  • Western Blot (1-2ug/ml)
  • Immunohistochemistry (Formalin-fixed) (1-2ug/ml for 30 minutes at RT)(Staining of formalin-fixed tissues requires heating tissue sections in 10mM Tris with 1mM EDTA, pH 9.0, for 45 min at 95&degC followed by cooling at RT for 20 minutes)Optimal dilution for a specific application should be determined.

Key References

  • Nobori, T., et al. 1996. Proc. Natl. Acad. Sci. USA 93: 6203-6208.

Storage & Stability

Antibody with azide - store at 2 to 8°C. Antibody without azide - store at -20 to -80°C. Antibody is stable for 24 months. Non-hazardous. No MSDS required.

Limitations

This antibody is available for research use only and is not approved for use in diagnosis.

Supplied as

200ug/ml of Ab Purified from Bioreactor Concentrate by Protein A/G. Prepared in 10mM PBS with 0.05% BSA & 0.05% azide. Also available WITHOUT BSA & azide at 1.0mg/ml.

Warranty

There are no warranties, expressed or implied, which extend beyond this description. Company is not liable for any personal injury or economic loss resulting from this product.

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