We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleBRENDA, AMENDA and FRENDA the enzyme information system: new content and tools in 2009AuthorsChang, A.; Scheer, M.; Grote, A.; Schomburg, I.; Schomburg, D.PublicationNucleic Acids Research, 2009, Vol 37, Issue Database, pD588ISSN0305-1048Publication typearticleDOI10.1093/nar/gkn820