Klundt, T., Bocola, M., Lütge, M., Beuerle, T., Liu, B. Y., & Beerhues, L. (2009). A Single Amino Acid Substitution Converts Benzophenone Synthase into Phenylpyrone Synthase. Journal of Biological Chemistry, 284, 30957-30964. doi:10.1074/jbc.M109.038927.