Main Reaction: Serine >> cysteine

Reference: PubMed ID: 26903979
Authors: Tang S, Wang PH, Higgins SA, Löffler FE, Edwards EA
Title: Sister Dehalobacter Genomes Reveal Specialization in Organohalide Respiration and Recent Strain Differentiation Likely Driven by Chlorinated Substrates.
Published: 2016 Feb 12

Serine --> cysteine