Glutathione—homocystine transhydrogenase

This enzyme belongs to the family of oxidoreductases, specifically those acting on a sulfur group of donors with a disulfide as acceptor. The systematic name of this enzyme class is glutathione:homocystine oxidoreductase. This enzyme participates in methionine metabolism and glutathione metabolism.

References

Racker E (1955). "Glutathione-homocystine transhydrogenase". J. Biol. Chem. 217 (2): 867–874. PMID 13271447.

Oxidoreductases: sulfur oxidoreductases (EC 1.8)

1.8.1: NAD or NADP	Dihydrolipoamide dehydrogenase Glutathione reductase Thioredoxin reductase

1.8.2: cytochrome	Sulfite dehydrogenase Thiosulfate dehydrogenase

1.8.3: oxygen	Sulfite oxidase

1.8.4: disulfide	Glutathione—homocystine transhydrogenase

1.8.5: quinone	Glutathione dehydrogenase (ascorbate)

1.8.98: Other, known	CoB—CoM heterodisulfide reductase

1.8.99: Other	Sulfite reductase

Enzymes

Activity	Active site Binding site Catalytic triad Oxyanion hole Enzyme promiscuity Catalytically perfect enzyme Coenzyme Cofactor Enzyme catalysis Enzyme kinetics Lineweaver–Burk plot Michaelis–Menten kinetics

Regulation	Allosteric regulation Cooperativity Enzyme inhibitor

Classification	EC number Enzyme superfamily Enzyme family List of enzymes

Types	EC1 Oxidoreductases(list) EC2 Transferases(list) EC3 Hydrolases(list) EC4 Lyases(list) EC5 Isomerases(list) EC6 Ligases(list)

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