Inenzymology, asulochrin oxidase [(+)-bisdechlorogeodin-forming] (EC1.21.3.4) is anenzyme thatcatalyzes thechemical reaction

2 sulochrin + O₂${\displaystyle \rightleftharpoons }$ 2 (+)-bisdechlorogeodin + 2 H₂O

Thus, the twosubstrates of this enzyme aresulochrin andO₂, whereas its twoproducts are(+)-bisdechlorogeodin andH₂O.

This enzyme belongs to the family ofoxidoreductases, specifically those acting on X-H and Y-H to form an X-Y bond with oxygen as acceptor. Thesystematic name of this enzyme class issulochrin:oxygen oxidoreductase (cyclizing, (+)-specific). This enzyme is also calledsulochrin oxidase.

• Nordlov H, Gatenbeck S (1982). "Enzymatic synthesis of (+)- and (−)-bisdechlorogeodin with sulochrin oxidase from Penicillium frequentans and Oospora sulphurea-ochracea".Arch. Microbiol.131 (3):208–11.Bibcode:1982ArMic.131..208N.doi:10.1007/BF00405880.PMID 7049104.

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