Main Reaction: homocysteine >> methionine

Reference: PubMed ID: 15456522
Authors: Sun J, Daniel R, Wagner-Döbler I, Zeng AP
Title: Is autoinducer-2 a universal signal for interspecies communication: a comparative genomic and phylogenetic analysis of the synthesis and signal transduction pathways.
Published: 2004 Sep 29

homocysteine --> methionine