RT Book, Section A1 Schwahn, Bernd Christian A2 Rudolph, Colin D. A2 Rudolph, Abraham M. A2 Lister, George E. A2 First, Lewis R. A2 Gershon, Anne A. SR Print(0) ID 6724772 T1 Chapter 138. Disorders of Sulfur-Containing Amino Acid Metabolism T2 Rudolph's Pediatrics, 22e YR 2011 FD 2011 PB The McGraw-Hill Companies PP New York, NY SN 978-0-07-149723-7 LK accesspediatrics.mhmedical.com/content.aspx?aid=6724772 RD 2024/04/20 AB Sulfur-containing amino acids have various roles: They mediate the transfer of methyl groups for virtually all transmethylation reactions; they provide reactive thiol groups that are needed for detoxification of endogenous and exogenous substances; they help maintain the intracellular redox potential; and they are a source of sulphate. Thirteen disorders of sulphur amino acid metabolism have been consistently described, 11 of them potentially leading to disease.