title: Divalent metal ion catalysis of the oxidation of rifamycin SV to rifamycin S.
mesh_terms: D002413:Cations, Divalent; D010084:Oxidation-Reduction; D012294:Rifamycins; D013053:Spectrophotometry
chemical_list: D002413:Cations, Divalent; D012294:Rifamycins