Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Diagram of tetrahydrofolate (THF)-dependent pathway of methionine transmethylation to homocysteine and the transsulfuration pathway from homocysteine to GSH synthesis. MS, methionine synthase; SAH, S-adenosylhomocysteine; SAHH, SAH hydrolase; GSSG, oxidized glutathione disulfide; SAM, S-adenyosylmethionine; MTase, methyltransferase.
