نتایج جستجو برای: substrate binding site
تعداد نتایج: 820167 فیلتر نتایج به سال:
Interactions between the UGT2B7-catalyzed glucuronidation of zidovudine (AZT), 4-methylumbelliferone (4MU), and 1-naphthol (1NP) were analyzed using multisite and empirical kinetic models to explore the existence of multiple substrate and effector binding sites within this important drug metabolizing enzyme. 4MU and 1NP glucuronidation by UGT2B7 exhibit sigmoidal kinetics characteristic of homo...
The site-specific endonuclease reaction catalyzed by the ribozyme from the Tetrahymena pre-rRNA intervening sequence has been characterized with a substrate that forms a "matched" duplex with the 5' exon binding site of the ribozyme [G2CCCUCUA5 + G in equilibrium with G2CCCUCU + GA5 (G = guanosine); Herschlag, D., & Cech, T.R. (1990) Biochemistry (preceding paper in this issue)]. The rate-limit...
γ-Secretase is a multisubunit protease complex that is responsible for generating amyloid-β peptides, which are associated with Alzheimer disease. The catalytic subunit of γ-secretase is presenilin 1 (PS1), which contains an initial substrate-binding site that is distinct from the catalytic site. Processive cleavage is suggested in the intramembrane-cleaving mechanism of γ-secretase. However, i...
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