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. Author manuscript; available in PMC: 2008 Sep 24.
Published in final edited form as: J Biol Chem. 2003 Feb 17;278(18):16365–16371. doi: 10.1074/jbc.M301256200

Fig. 8. Negative mode MALDI-TOF mass spectrum of LPS purified from mutant 6963 by chloroform/methanol extraction.

Fig. 8

The proposed LPS molecular species that could account for the major peaks observed in A is shown in B. This structure is consistent with the overall fatty acid composition recently reported for lipid A of Sinorhizobium sp. NGR234 (22).