Fig. 5From: Module and individual domain deletions of NRPS to produce plipastatin derivatives in Bacillus subtilisMS/MS analysis of octapeptide produced by mutant strain BA6. a The sequence of octapeptide and thirteen characteristic product ions b1 ~ b7 and y2 ~ y7. b MS/MS spectrum of octapeptide ion [M + H]+ at m/z 1327.7378 and assignment of key product ionsBack to article page