Table 1:

Structural differences deciphered form the KMD plot analysis of the J5 E. coli LOS (Rc mutant). Abbreviations used are Heptose: Hep, Glucosamine: GlcN, phosphate: P, ethanolamine: EN, Oxygen: O, 3-hydroxy-tetradecanoic acid: C14:0(3-OH), dodecanoic acid: C12:0, tetradecanoic acid: C14:0

Structural Difference (Da)	Corresponding structure
41.91	PEN+P-GlcN
42.01	Ac
42.04	C3H6
43.03	EN
44.02	CH2CH2O
45.84	Hep + P - [C14:0(3-OH)]
73.87	Hep + P - [C12:0 + O]
79.96	P
81.10	GlcN - P
121.87	PEN+ 2P-GlcN
123.00	PEN
157.12	[C14:0]+ C2H4 + GlcN- P
164.36	[C14:0] + [C14:0(3-OH)] - Hep- P
198.16	[C12:0 + O]
238.23	[C14:0] + C2H4
272.03	Hep + P
307.30	[C14:0(3-OH)] + GlcN - P
353.14	Hep + GlcN
390.55	[C14:0] + [2 x C14:0(3-OH)] - Hep- P
436.40	[C14:0] + [C14:0(3-OH)]
464.42	[C14:0] + [C14:0(3-OH)] + C2H4
510.26	[C14:0]+ C2H4 + Hep+ P
517.50	[C14:0] + [C14:0(3-OH)] + GlcN - P
662.58	[C14:0] + [2 x C14:0(3-OH)]
708.42	[C14:0] + [C14:0(3-OH)]+ Hep + P
743.68	[C14:0] + [2x C14:0(3-OH)] + GlcN - P
789.52	[C14:0] + [C14:0(3-OH)] + Hep + GlcN