Anti-MEPCE antibodies are used in the immunodetection of the protein methylphosphate capping enzyme. In humans, the canonical protein has a reported length of 689 amino acid residues and a mass of 74.4 kDa. Its subcellular localization is in the nucleus. Up to 2 different isoforms have been reported for this protein. It is reported to be expressed in chronic myeloid leukemia cells, adrenal gland, brain, cerebellum, kidney, lung, mammary gland and testis. A member of the Methyltransferase protein superfamily, MEPCE is reported to be a S-adenosyl-L-methionine-dependent methyltransferase that adds a methylphosphate cap at the 5'-end of 7SK snRNA (7SK RNA), leading to stabilize it. Synonyms for this target antigen include bicoid-interacting protein 3 homolog, bin3 homolog, bin3, bicoid-interacting 3, homolog, and 7SK snRNA methylphosphate capping enzyme. MEPCE gene orthologs have been reported in the mouse, rat, bovine, frog and chimpanzee species. A number of MEPCE antibodies have been mentioned in research publications and have associated citations. Western Blot is a widely used application for these antibodies. ELISA and Immunohistochemistry are also common applications.