1.14.13.154	malfunction	an Saccharopolyspora erythraea strain disrupted in eryK no longer produces erythromycin A but accumulates the B and D forms of the antibiotic	715331	
1.14.13.154	physiological function	the enzyme is responsible for the C-12 hydroxylation of the macrolactone ring, one of the last steps in erythromycin biosynthesis	715331