1887

Abstract

Summary: A bromoperoxidase has been isolated and purified from the chloramphenicol-producing actinomycete . The purified enzyme was homogeneous as determined by polyacrylamide gel electrophoresis. The prosthetic group of the bromoperoxidase was ferriprotoporphyrin IX. Based on gel filtration results the molecular weight of the enzyme was 147000 ± 3000. Sodium dodecyl sulphate-polyacrylamide gel electrophoresis showed a single band having the mobility of a 72500 molecular weight species. Therefore, in solution at neutral pH, the bromoperoxidase behaved as a dimer. The isoelectric point was 4·0. The spectral properties of the native and reduced enzyme are reported. The homogeneous enzyme also had peroxidase and catalase activity.

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/content/journal/micro/10.1099/00221287-131-8-1911
1985-08-01
2021-05-07
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