Deduced Functions of the Proteins in the apr Biosynthetic Gene Cluster.

Gene functions were deduced using BLAST analysis. Abbreviations for catalytic domains are; A(aa specificity); adenylation, AR; adapter region, AT; acyltransferase, C; condensation, Cy; cyclization, DH; dehydratase, ECH; enoyl CoA hydratase, ER; enoyl reductase, HMGCS; 3-hydroxy-3-methyl-glutaryl-CoA synthase, NRPS; non-ribosomal peptide synthase, PKS; polyketide synthase, KR; ketoreductase, KS; ketosynthase, MT; methyltransferase, T; thiolation.