The Pathway Ontology (PW), is currently being developed at the Rat Genome Database. For more information about this vocabulary, please see Petri et al. The rat genome database pathway portal. Database (Oxford). 2011 Apr 8;2011:bar010. Print 2011 or contact us (http://rgd.mcw.edu/contact/index.shtml).
Those metabolic reactions involved in the synthesis, utilization and/or degradation of cysteine, a non-essential amino acid that could be essential in certain cases. Its side chain contains a sulfhydryl group that is readily oxidized to form the cystine dimer covalently linked by a disulfide bond.
Comment:
Reference compiled based on the information available at OneLook for cysteine.