Gamma-glutamyl hydrolase

Definition:

Hydrolyzes the polyglutamate sidechains of pteroylpolyglutamates. Progressively removes gamma-glutamyl residues from pteroylpoly-gamma-glutamate to yield pteroyl-alpha-glutamate (folic acid) and free glutamate. May play an important role in the bioavailability of dietary pteroylpolyglutamates and in the metabolism of pteroylpolyglutamates and antifolates.

References:

[1]. R Yao, et al. Human gamma-glutamyl hydrolase: cloning and characterization of the enzyme expressed in vitro. Proc Natl Acad Sci U S A. 1996 Sep 17;93(19):10134-8. [Content Brief]

[2]. K J Chave, et al. Molecular modeling and site-directed mutagenesis define the catalytic motif in human gamma -glutamyl hydrolase. J Biol Chem. 2000 Dec 22;275(51):40365-70. [Content Brief]

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