%0 Journal Article %T BRENDA, AMENDA and FRENDA the enzyme information system: new content and tools in 2009 %A Chang, Antje %A Scheer, Maurice %A Grote, Andreas %A Schomburg, Ida %A Schomburg, Dietmar %J Nucleic Acids Research %V 37 %N suppl_1 %P D588-D592 %@ 0305-1048 %D 2009-01-04 %I Oxford University Press %~ DeepDyve