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Limiting Values of the one-bond C–H Spin-Spin Coupling Constants of the Imidazole Ring of Histidine at High-pH

Assessment of the relative amounts of the forms of the imidazole ring of Histidine (His), namely the protonated (H(+)) and the tautomeric N(ε2)-H and N(δ1)-H forms, respectively, is a challenging task in NMR spectroscopy. Indeed, their determination by direct observation of the (15)N and (13)C chemi...

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Bibliographic Details
Published in:J Mol Struct
Main Authors: Vila, Jorge A., Scheraga, Harold A.
Format: Artigo
Language:Inglês
Published: 2017
Subjects:
Online Access:https://ncbi.nlm.nih.gov/pmc/articles/PMC5596661/
https://ncbi.nlm.nih.gov/pubmed/28919647
https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1016/j.molstruc.2017.01.022
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