Evidence map›Paper›PMID 36467576›Full record

ArticleComputational and structural biotechnology journal2022

Bayesian statistical method for detecting structural and topological diversity in polymorphic proteins.

Shuto Hayashi, Jun Koseki, Teppei Shimamura

Abstract read
In one paragraph

Article in Computational and structural biotechnology journal, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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4 · The record

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5 · Who and what money

Authors and funding

3 authors.

Shuto HayashiDivision of Systems Biology, Graduate School of Medicine, Nagoya University, Nagoya, Japan.
Jun KosekiDivision of Systems Biology, Graduate School of Medicine, Nagoya University, Nagoya, Japan.
Teppei ShimamuraDivision of Systems Biology, Graduate School of Medicine, Nagoya University, Nagoya, Japan.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Polymorphisms in immune-related proteins and viral spike proteins are high and complicate host-virus interactions. Therefore, diversity analysis of such protein structures is essential to understand the mechanism of the immune system. However, experimental methods, including X-ray crystallography, nuclear magnetic resonance, and cryo-electron microscopy, have several problems: (i) they are conducted under different conditions from the actual cellular environment, (ii) they are laborious, time-consuming, and expensive, and (iii) they do not provide information on the thermodynamic behaviors. In this paper, we propose a computational method to solve these problems by using MD simulations, persistent homology, and a Bayesian statistical model. We apply our method to eight types of HLA-DR complexes to evaluate the structural diversity. The results show that our method can correctly discriminate the intrinsic structural variations caused by amino acid mutations from the random fluctuations caused by thermal vibrations. In the end, we discuss the applicability of our method in combination with existing deep learning-based methods for protein structure analysis.

Indexed as

Bayesian statistical modelMolecular dynamics simulationPersistent homologyProtein structural diversityTopological data analysis

Identifiers

PMID36467576
PMCPMC9706128

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.