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• Supplemental file 1 - Table S1. M_r observed for lipid A structures of F. tularensis 1547-57 (wild type) and the lpxL mutant, as detected in negative and positive LIT MALDI-MS spectra. Fig. S1. Negative-ion multiple-stage vMALDI-LIT spectra from E. coli lpxL mutant strain MLK217. Fig. S2. Negative-ion (reflectron) MALDI-TOF mass spectra of E. coli lpxL mutant MLK217 and complemented strain MKM10. Fig. S3. Negative-ion vMALDI-LIT MSⁿ spectra from complemented strain MKM10. Fig. S4. Negative-ion vMALDI-LIT mass spectra of E. coli lpxL mutant MLK217 and complemented strain MKM11. Fig. S5. Positive-ion vMALDI-LIT MSⁿ spectra from late acyltransferase F. tularensis FTT0232c mutant strain.
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