>tr|Q54220|Q54220_STRGR Ketoreductase OS=Streptomyces griseus MSDQDKRVAVVTGATSGIGLSVARLLASQGHRVFIGARSAENVAATVKELVAEGLDVDGA VVDVRSDADVEAWIQAAVDRFGTVDVVVNNAGRSGGGVTADIDPELWHDVIDTNLNSVFR VTRSALNTGGLRSKSRGRIINIASTAGKQGVVLGAPYSASKHGVVGFTKALGNELAPTGI TVNAVCPGYVETPMAQRVRQGYAAAYDATEDAILEKFQAKIPLGRYSTPDEVAGLVGYLA SDTAASITSQALNVCGGLGNF