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Investigating the Influence of Hotspot Mutations in Protein–Protein Interaction of IDH1 Homodimer Protein: A Computational Approach
Published in Elsevier
PMID: 29459034
Volume: 111
Pages: 243 - 261
Protein–protein interaction (PPI) helps in maintaining the cellular homeostasis. In particular, the homodimeric proteins play a crucial role as cell regulators. Studying the critical functions of each PPI on the living system is very challenging. The mutations in the PPIs have given birth to various diseases including many types of cancers and it has soon become the target for drug discovery. The mutations in IDH1, an asymmetric homodimer in the cytoplasm, leads to various diseases including gliomas. In this study, we have used extensive computational approaches to identify the impact of missense mutations (R132C, R132G, R132H, R132L, R132S, and V178I) occurring in the interacting region of the IDH1 homodimer. By in silico pathogenicity analysis, all the mutations occurring at the positions 132 and 178 were found to be pathogenic and neutral respectively. Furthermore, the mutants R132C and R132G were found to be responsible for increasing the stability, whereas the mutants R132H, R132L, and R132S were found to be responsible for the decrease in stability by stability analysis. R132H, R132L, and R132S mutants exhibited higher destabilization when compared to the structures of R132C and R132G mutants by molecular docking and molecular dynamics analysis. © 2018 Elsevier Inc.
About the journal
JournalData powered by TypesetAdvances in Protein Chemistry and Structural Biology Protein-Protein Interactions in Human Disease, Part B
PublisherData powered by TypesetElsevier
Open AccessNo
Authors (3)