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Determining isoleucine side-chain rotamer-sampling in proteins from 13 C chemical shift

Chemical shifts are often the only nuclear magnetic resonance parameter that can be obtained for challenging macromolecular systems. Here we present a framework to derive the conformational sampling of isoleucine side chains from C chemical shifts and demonstrate that side-chain conformations in a l...

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Published in:Chemical communications (Cambridge, England) England), 2019-12, Vol.55 (94), p.14107-14110
Main Authors: Siemons, Lucas, Uluca-Yazgi, Boran, Pritchard, Ruth B, McCarthy, Stephen, Heise, Henrike, Hansen, D Flemming
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description Chemical shifts are often the only nuclear magnetic resonance parameter that can be obtained for challenging macromolecular systems. Here we present a framework to derive the conformational sampling of isoleucine side chains from C chemical shifts and demonstrate that side-chain conformations in a low-populated folding intermediate can be determined.
doi_str_mv 10.1039/C9CC06496F
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source Royal Society of Chemistry:Jisc Collections:Royal Society of Chemistry Read and Publish 2022-2024 (reading list)
subjects Carbon Isotopes
Density Functional Theory
Isoleucine - analysis
Isoleucine - chemistry
Nuclear Magnetic Resonance, Biomolecular
Protein Conformation
Proteins - chemistry
title Determining isoleucine side-chain rotamer-sampling in proteins from 13 C chemical shift
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