Abstract
gamma-Glutamyl transpeptidase catalyzes transfer of the gamma-glutamyl moiety of glutathione to amino acids, dipeptides, and to glutathione itself; the enzyme also catalyzes the hydrolysis of glutathione to glutamate and cysteinyl-glycine. This review deals with the tissue distribution and localization of the enzyme in mammals, the catalytic properties of the enzyme (including its inhibition by reversible and irreversible inhibitors), structural studies on the enzyme, and new findings about its physiological function.
MeSH terms
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Amino Acids / metabolism
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Animals
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Biological Transport
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Chemical Phenomena
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Chemistry
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Dipeptides / metabolism
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Genitalia, Male / enzymology
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Glutamates / metabolism
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Glutamic Acid
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Glutathione / metabolism
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Jejunum / enzymology
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Kidney / enzymology
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Kinetics
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Liver / enzymology
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Macromolecular Substances
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Male
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Octoxynol
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Papain
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Polyethylene Glycols
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Rats
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Spleen / enzymology
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Stereoisomerism
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Substrate Specificity
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Tissue Distribution
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gamma-Glutamyltransferase / antagonists & inhibitors
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gamma-Glutamyltransferase / metabolism*
Substances
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Amino Acids
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Dipeptides
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Glutamates
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Macromolecular Substances
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Glutamic Acid
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Polyethylene Glycols
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Octoxynol
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gamma-Glutamyltransferase
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Papain
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Glutathione