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愿原力(场)与你同在:关于构象搜索在预测 NMR 化学位移中的重要性。

May the Force (Field) Be with You: On the Importance of Conformational Searches in the Prediction of NMR Chemical Shifts.

机构信息

Instituto de Productos Naturales y Agrobiología, Consejo Superior de Investigaciones Científicas (IPNA-CSIC), 38206 La Laguna, Tenerife, Spain.

Instituto de Química Rosario (CONICET), Facultad de Ciencias Bioquímicas y Farmacéuticas, Universidad Nacional de Rosario, Suipacha 531, Rosario 2000, Argentina.

出版信息

Mar Drugs. 2022 Nov 8;20(11):699. doi: 10.3390/md20110699.

DOI:10.3390/md20110699
PMID:36355022
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC9694776/
Abstract

NMR data prediction is increasingly important in structure elucidation. The impact of force field selection was assessed, along with geometry and energy cutoffs. Based on the conclusions, we propose a new approach named mix--DP4, which provides a remarkable increase in the confidence level of complex stereochemical assignments-100% in our molecular test set-with a very modest increment in computational cost.

摘要

NMR 数据预测在结构解析中变得越来越重要。本文评估了力场选择、几何和能量截断对预测结果的影响。在此基础上,我们提出了一种新的方法 mix--DP4,该方法在计算成本增加很小的情况下,将复杂立体化学分配的置信度显著提高到 100%(在我们的分子测试集中)。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5b8a/9694776/a2c4e2679b70/marinedrugs-20-00699-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5b8a/9694776/477a3a8aa948/marinedrugs-20-00699-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5b8a/9694776/b858640e357c/marinedrugs-20-00699-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5b8a/9694776/3cac759ba361/marinedrugs-20-00699-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5b8a/9694776/4110b9e6a0e1/marinedrugs-20-00699-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5b8a/9694776/52e000c8deb3/marinedrugs-20-00699-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5b8a/9694776/df36ba3c5c22/marinedrugs-20-00699-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5b8a/9694776/50ebfa70cc19/marinedrugs-20-00699-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5b8a/9694776/eb788ea6a861/marinedrugs-20-00699-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5b8a/9694776/a2c4e2679b70/marinedrugs-20-00699-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5b8a/9694776/477a3a8aa948/marinedrugs-20-00699-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5b8a/9694776/b858640e357c/marinedrugs-20-00699-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5b8a/9694776/3cac759ba361/marinedrugs-20-00699-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5b8a/9694776/4110b9e6a0e1/marinedrugs-20-00699-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5b8a/9694776/52e000c8deb3/marinedrugs-20-00699-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5b8a/9694776/df36ba3c5c22/marinedrugs-20-00699-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5b8a/9694776/50ebfa70cc19/marinedrugs-20-00699-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5b8a/9694776/eb788ea6a861/marinedrugs-20-00699-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5b8a/9694776/a2c4e2679b70/marinedrugs-20-00699-g009.jpg

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