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1H 3D NOE-NOE spectrum of met-cyanomyoglobin: The first 3D NMR spectrum of a paramagnetic protein

✍ Scribed by Lucia Banci; Wolfgang Bermel; Claudio Luchinat; Roberta Pierattelli; Dario Tarchi

Publisher: John Wiley and Sons
Year: 1993
Tongue: English
Weight: 422 KB
Volume: 31
Category: Article
ISSN: 0749-1581
DOI: 10.1002/mrc.1260311304

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✦ Synopsis

Abstract

A 3D NOE‐NOE spectrum of the paramagnetic protein met‐cyanomyoglobin has been successfully obtained. The protein shows hyperfine shifted signals. Planes at their frequencies show clean cross peaks with signals of nearby protons. Connectivities can be detected in‐plane at frequencies corresponding to hyperfine broadened signals beneath the diamagnetic envelope, whose connectivities may be difficult to observe otherwise. The limits of observability of cross peaks are discussed by means of spectral simulations.

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