Main Reaction: cysteine >> Cystathionine

Reference: PubMed ID: 17056751
Authors: Hullo MF, Auger S, Soutourina O, Barzu O, Yvon M, Danchin A, Martin-Verstraete I
Title: Conversion of methionine to cysteine in Bacillus subtilis and its regulation.
Published: 2007 Jan

cysteine --> Cystathionine