Isolation of 4.5-Dihydroxyisophthalic Acid, an Inhibitor of Brain Glutamate Decarboxylase, Produced by a Streptomyces Species.

Autor: Endo, Akira, Kitahara, Nobuaki, Oka, Hidehiko, Miguchi-Fukazawa, Yumi, Terahara, Akira
Předmět:
Zdroj: European Journal of Biochemistry; 1/2/78, Vol. 82 Issue 1, p257-259, 3p
Abstrakt: A potent inhibitor of brain glutamate decarboxylase (L-glutamate 1-carboxy-lyase, EC 4.1.1.15) was isolated from cultures of a Streptomyces species, and its structure was found to be 4,5-dihydroxyisophthalic acid. The metabolite inhibited beef brain glutamate decarboxylase 50% at a concentration of 0.12 µg/ml (0.61 µM). The kinetic analysis indicated that 4,5-dihydroxyisophthalic acid was a competitive inhibitor having a Ki value of 0.18 µM. [ABSTRACT FROM AUTHOR]
Databáze: Complementary Index