Fig. 1From: Activation of a plasmid-situated type III PKS gene cluster by deletion of a wbl gene in deepsea-derived Streptomyces somaliensis SCSIO ZH66The chemical structures of violapyrones (VLPs 1-5). 1, VLP B; 2, VLP A; 3, VLP J; 4, VLP C; 5, VLP H. 3 is a novel VLP analogue isolated from the ΔvioB mutantBack to article page