Compatible topologies and parameters for NMR structure determination of carbohydrates by simulated annealing

Yingang Feng

PLOS ONE, 2017, vol. 12, issue 12, 1-10

Abstract: The use of NMR methods to determine the three-dimensional structures of carbohydrates and glycoproteins is still challenging, in part because of the lack of standard protocols. In order to increase the convenience of structure determination, the topology and parameter files for carbohydrates in the program Crystallography & NMR System (CNS) were investigated and new files were developed to be compatible with the standard simulated annealing protocols for proteins and nucleic acids. Recalculating the published structures of protein-carbohydrate complexes and glycosylated proteins demonstrates that the results are comparable to the published structures which employed more complex procedures for structure calculation. Integrating the new carbohydrate parameters into the standard structure calculation protocol will facilitate three-dimensional structural study of carbohydrates and glycosylated proteins by NMR spectroscopy.

Date: 2017
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0189700

DOI: 10.1371/journal.pone.0189700

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