Fig. 3From: Peptidoglycan-type analysis of the N-acetylmuramic acid auxotrophic oral pathogen Tannerella forsythia and reclassification of the peptidoglycan-type of Porphyromonas gingivalisMS2 spectrum of mutanolysin digestion product GlcNAc-MurNAc-tetra-tetra-MurNAc-GlcNAc of T. forsythia, showing the arrangement of GlcNAc, MurNAc, Ala, Glu, DAP and Ala. Neutral losses of 18 Da and 89 Da (denoted by a triangle) were frequently observed. Legend: blue squares, GlcNAc; magenta hexagons, MurNAc, A, alanine; E, glutamic acid; DAP, diaminopimelic acidBack to article page