TABLE 1.

Proposed compositions for the triply charged [M − 3H]³⁻ molecular ions observed in ESI-FT-MS of intact LPS from lgtB⁻, lgtB⁻pagL⁺, and galE⁻lpxL1⁻ mutants of N. meningitidis (Fig. 2)

Abbreviations used are as follows: Kdo, 3-deoxy-d-manno-oct-2-ulosonic acid; Hep, l-glycero-d-manno-heptose; Hex, hexose; HexNAc, N-acetylhexosamine; Gly, glycine; P, phosphate; C₁₂OH, 3-hydroxy-dodecanoic acid; C₁₄OH, 3-hydroxy-tetradecanoic acid; C₁₂, dodecanoic acid.