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. 2014 Aug 30;15(1):742. doi: 10.1186/1471-2164-15-742

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© Jakhetia et al.; licensee BioMed Central Ltd. 2014

This article is published under license to BioMed Central Ltd. This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly credited. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.

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NMR. Selected regions of (a) ¹H NMR spectrum of the PS from strain SFL1683 showing resonances from O- and N-acetyl groups and (b) ¹H,¹H-TOCSY (τ_mix 120 ms) NMR spectrum of the PS from strain SFL2516 showing spin systems originating from the H6 protons in the methyl groups of rhamnosyl residues. Annotations are given with respect to the O-acetylation pattern in the O-antigen.