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).
Polyamine metabolism plays important roles in a number of cellular processes. Spermidine and spermine are formed in two consecutive reactions carried out by distinct enzymes that employ the decarboxylated form of AdoMet as an aminopropyl donor.