>6FD2_1|Chains A, B|Putative apramycin biosynthetic oxidoreductase 4|Streptoalloteichus tenebrarius (strain ATCC 17920 / DSM 40477 / NCIB 11028) (1933) MRRMRLGTVLLVSPKTSFGRDLQRTYAGGLGTVCKDEDFLLPPLDLMRLAGVLREDADDIAIADEEVTGVVPSVEPGTTVICHVSLPSLLEDAERLATFRAQGARCYAYTSIRSPAQWRTLFERGGCEGVLLPESISFARAALAGDHTVPGLVTPDSLLDPRHHQPAFGDLAAEPLPARDLVDHTPYMFPPIARTGITSINGSFGCPYPCRFYCPYPLSEGRKIRTYPVERIVAEFRQCAELGITAAVFRDPVFSFHRDRTLELCQALKAADTGVPWWCETRIDRLDEEVVAALVDAGCVGVEVGVESGDPDMQATAVRKRLNLDTVRKFHAVARKAGLKLVFLFLIGLPRETRMSIRRTFDFILELGLADTEFNLSVITPYPGTELHQIAVDKGWIDGSQNAFTSHNAVMHTDELSIGDLERASRFVDELHAVCKAGPAERAEFQARVHAWSTGDA