Structural analysis of the lipopolysaccharide from nontypeable Haemophilus influenzae strain R2846.
We here report the lipopolysaccharide (LPS) structures expressed by nontypeable Haemophilus influenzae R2846, a strain whose complete genome sequence has recently been obtained. Results were obtained by using NMR techniques and ESI-MS on O-deacylated LPS and core oligosaccharide material (OS) as well as ESI-MS (n) on permethylated dephosphorylated OS. A beta- d-Glc p-(1-->4)- d-alpha- d-Hep p-(1-->6)-beta- d-Glc p-(1-->4) unit was found linked to the proximal heptose (HepI) of the co...Expand abstract
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