Main Reaction: Sulfide + O-acetylserine >> Cysteine

Reference: PubMed ID: 15760717
Authors: Auger S, Gomez MP, Danchin A, Martin-Verstraete I
Title: The PatB protein of Bacillus subtilis is a C-S-lyase.
Published: 2005 Feb

Sulfide + O-acetylserine --> Cysteine