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Investigating single amino acid substitutions in PIM1 kinase: A structural genomics approach

Authors
Shafie, A.Khan, S.Batra, S.Anjum, F.Mohammad, T.Alam, S.Yadav, D.K.Islam, A.Hassan, Md.I.
Issue Date
Oct-2021
Publisher
Public Library of Science
Citation
PLoS ONE, v.16, no.10
Journal Title
PLoS ONE
Volume
16
Number
10
URI
https://scholarworks.bwise.kr/gachon/handle/2020.sw.gachon/83113
DOI
10.1371/journal.pone.0258929
ISSN
1932-6203
Abstract
PIM1, is a serine/threonine proto-oncogene kinase, involved in many biological functions, including cell survival, proliferation, and differentiation, thus play a key role in oncogenesis. It plays a crucial role in the onset and progression of various hematopoietic and non-hematopoietic malignancies, including acute myeloid leukemia and prostate cancer. Mutations in PIM1, especially in its kinase domain, can induce abnormal structural changes and thus alter functionalities that can lead to disease progression and other complexities. Herein, we have performed an extensive analysis of the PIM1 mutations at sequence and structure level while utilizing state-of-the-art computational approaches. Based on the impact on PIM1, numerous pathogenic and destabilizing mutations were identified and subsequently analyzed in detail. Finally, two amino acid substitutions (W109C and F147C) in the kinase domain of PIM1 were selected to explore their impact on the PIM1 structure in a time evolution manner using all-atom molecular dynamics (MD) simulations for 200 ns. MD results indicate significant conformational altercations in the structure of PIM1, especially upon F147C mutation. This study provides a significant insight into the PIM1 dysfunction upon single amino acid substitutions, which can be utilized to get insights into the molecular basis of PIM1-associated disease progression. Copyright: © 2021 Shafie et al. This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
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