Mutational Analysis and Reconstituted Expression of the Biosynthetic Genes Involved in the Formation of 3-Amino-5-hydroxybenzoic Acid, the Starter Unit of Rifamycin Biosynthesis in Amycolatopsis mediterraneiS699Tin‐Wein Yu, Heinz G. Floss, Michael Müller et al.|Journal of Biological Chemistry|2001Cited by 93