| http://purl.uniprot.org/keywords/620 | http://www.w3.org/2000/01/rdf-schema#comment | "Protein involved in polyamine biosynthesis. The polyamines, e.g. putrescine, cadaverine, agmatine, spermidine and spermine, are wide-spread in all organisms, and have been shown to play a role in the regulation of growth and differentiation of virtually all types of cells."xsd:string |