Protein
Mycinamicin IV hydroxylase/epoxidase
Organism
Micromonospora griseorubida
Function
Involved in the biosynthesis of mycinamicin, a 16-membered macrolide antibiotic. Catalyzes consecutive hydroxylation (at C14) and epoxidation (at C12-C13) reactions with mycinamicin IV as initial substrate, leading to mycinamicin II. These reactions require prior dimethylation of 6-deoxyallose to mycinose for effective conversion by the dual function MycG enzyme.
Similarity
Belongs to the cytochrome P450 family.
Sequence
MTSAEPRAYPFNDVHGLTLAGRYGELQETEPVSRVRPPYGEEAWLVTRYEDVRAVLGDGRFVRGPSMTRDEPRTRPEMVKGGLLSMDPPEHSRLRRLVVKAFTARRAESLRPRAREIAHELVDQMAATGQPADLVAMFARQLPVRVICELLGVPSADHDRFTRWSGAFLSTAEVTAEEMQEAAEQAYAYMGDLIDRRRKEPTDDLVSALVQARDQQDSLSEQELLDLAIGLLVAGYESTTTQIADFVYLLMTRPELRRQLLDRPELIPSAVEELTRWVPLGVGTAFPRYAVEDVTLRGVTIRAGEPVLASTGAANRDQAQFPDADRIDVDRTPNQHLGFGHGVHHCLGAPLARVELQVALEVLLQRLPGIRLGIPETQLRWSEGMLLRGPLELPVVW