Fig. 4From: Progress in endophytic fungi secondary metabolites: biosynthetic gene cluster reactivation and advances in metabolomicsDomain organisation of fungal PKS-NRPS hybrid. MT: methyltransferase, KR:ketoreductase, A: adenylation domain, T: thiolation domain, R: reductase domain (Boettger and Hertweck 2013)Back to article page