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Email: info@nsjbio.com
- Tel: 858.663.9055
- Email: info@nsjbio.com
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MTAP Polyclonal Antibody / Methylthioadenosine Phosphorylase Antibody targets methylthioadenosine phosphorylase (MTAP), a metabolic enzyme that participates in the methionine salvage pathway and adenine recycling. MTAP catalyzes the phosphorolysis of 5'-methylthioadenosine (MTA), generating adenine and 5-methylthioribose-1-phosphate. MTA is produced during polyamine biosynthesis, making MTAP an important connection between polyamine metabolism, nucleotide salvage, and methionine homeostasis. The enzyme helps recover valuable metabolic intermediates while limiting the accumulation of MTA, which can influence several cellular regulatory processes.
MTAP functions within a metabolic pathway that converts sulfur-containing intermediates into methionine, supporting cellular methylation reactions and protein synthesis. Adenine released through MTAP activity can be recycled into adenine nucleotides through the purine salvage pathway. These interconnected processes contribute to metabolic efficiency, particularly in cells with substantial requirements for nucleotide synthesis and polyamine production. MTAP activity also influences intracellular MTA concentrations, which can affect methyltransferase activity and other biochemical processes associated with cellular growth and differentiation.
MTAP has attracted considerable attention in cancer research because its gene is located at chromosome 9p21, near the CDKN2A tumor suppressor locus. Homozygous deletions involving this chromosomal region frequently eliminate both CDKN2A and MTAP, resulting in loss of MTAP expression in several malignancies. MTAP-deficient cells accumulate MTA, creating metabolic changes that can influence protein arginine methyltransferase 5 (PRMT5) activity. This relationship has generated interest in therapeutic strategies targeting PRMT5 and methionine adenosyltransferase 2A (MAT2A), particularly in tumors with MTAP deletions. However, the biological consequences of MTAP deficiency depend on cellular metabolism and the surrounding tissue environment.
Beyond its involvement in cancer-associated metabolic vulnerabilities, MTAP contributes to the regulation of cellular methylation potential, purine availability, and sulfur amino acid metabolism. Its expression status provides information about the integrity of methionine salvage and the metabolic consequences of chromosome 9p21 alterations. Research using MTAP Polyclonal Antibody can help characterize methylthioadenosine phosphorylase expression in relation to polyamine metabolism, nucleotide recycling, and the metabolic adaptations associated with MTAP deficiency.
For knockdown-validated detection of MTAP as a metabolic marker, see our MTAP antibody.
Optimal dilution of the MTAP Polyclonal Antibody / Methylthioadenosine Phosphorylase Antibody should be determined by the researcher.
E. Coli-derived human Methylthioadenosine Phosphorylase recombinant protein (amino acids E31-H283) was used as the immunogen for the MTAP Polyclonal Antibody.
After reconstitution, the MTAP Polyclonal Antibody can be stored for up to one month at 4oC. For long-term, aliquot and store at -20oC. Avoid repeated freezing and thawing.
S-methyl-5-thioadenosine phosphorylase antibody, 5'-methylthioadenosine phosphorylase antibody, MTA phosphorylase antibody, MTA phosphorolysis enzyme antibody, MTAP enzyme antibody, Methylthioadenosine phosphorylase protein antibody, Methylthioadenosine recycling enzyme antibody, Adenine salvage enzyme antibody, Methionine salvage pathway enzyme antibody, MTAP metabolic enzyme antibody
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