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. 2009 Mar 2;4(3):e4658. doi: 10.1371/journal.pone.0004658

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Yin et al.

This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are properly credited.

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(A) Mimic of oxazoline ion intermediate, Man₃GlcNAc-oxazoline. (B) Endo-A catalyzed glycopeptide synthesis by using Man₃GlcNAc-oxazoline. (C) An Endo-A inhibitor, Man₃GlcNAc-thiazoline.