S-adenosyl homocysteine

Overview
S-Adenosyl- L -homocysteine is an amino acid derivative used in several metabolic pathways in the organism Escherichia coli. It is an intermediate in the synthesis of cysteine.

S-(5'-deoxy-5'-adenosyl)-l-homocysteine is a compound formed by the demethylation of S-adenosyl- L -methionine (SAM).