Fig. 3From: Module and individual domain deletions of NRPS to produce plipastatin derivatives in Bacillus subtilisESI-MS/MS spectra of protonated hexapeptide ions [M + H]+ at m/z 980.5579 a and m/z 1008.5878 b, acquired in Quadrupole-TOF (Q-TOF) mass spectrometer of crude extract from mutant strain BA7Back to article page