Catechol-O-methyltrasferase (COMT) is an enzyme that catalyses the transfer of the methyl group of S- adenosylmethionine (SAM) into catechol substrates such as levodopa, dopamine, epinephrine, and norepinephirine in the presence of Mg2+. COMT appears to be located in the postsynaptic neuron and plays roles in the metabolism of catechol estrogens and the inactivation of catecholamine neurotransmitters though enzymatic degradation. COMT inhibitors prevent levodopa degradation, increase its availability and are used in the treatment of patients with Parkinson's disease.
Source:Recombinant protein corresponding to aa51-271 from human COMT, expressed in E. coli.
Storage and Stability:May be stored at 4°C for short-term only. Aliquot to avoid repeated freezing and thawing. Store at -20°C. For maximum recovery of product, centrifuge the original vial after thawing and prior to removing the cap. Further dilutions can be made in assay buffer.
仕様
Size：100ug
Source Antigen：Recombinant, human from E. coli
Grade：Highly Purified
Purity：~95% (SDS-PAGE)
Form：Supplied as a liquid in 20mM Tris-HCl, pH 8.0, 1mM MgCl2, 10% glycerol.
