Fig. 7From: Module and individual domain deletions of NRPS to produce plipastatin derivatives in Bacillus subtilisMS/MS analysis of hexapeptide produced by mutant strain BA6. a The sequence of hexapeptide and nine characteristic product ions b1 ~ b5 and y2 ~ y5. b MS/MS spectrum of hexapeptide ion [M + H]+ at m/z 1036.6172 and assignment of key product ionsBack to article page