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The characteristic MS/MS spectra of the identified clapurines as end-products of the ETP gene cluster in C. purpurea.

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posted on 2016-07-08, 16:26 authored by Julian Dopstadt, Lisa Neubauer, Paul Tudzynski, Hans-Ulrich Humpf

(A) The clapurines are so far unknown ETPs and were characterized in the OE::tcpZ/OE::sirC strain. The HRMSn experiments show a neutral loss of the sulfur groups and the common cleavage of the dimethylallyl group for dithioclapurine (B), trithioclapurine (C) and tetrathioclapurine (D) as [M+H]+.