ArticlePloS one2021
The mechanism of complex formation between calmodulin and voltage gated calcium channels revealed by molecular dynamics.
Article in PloS one, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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Who cites it
8 citing papers in PubMed.
- Calcium dissociation with carbonate ions from Pf-SCP, sarcoplasmic calcium-binding protein in Pinctada fucata, contributes to calcium mineralization for shell formation.Protein science : a publication of the Protein Society · 2025Article
- SERCA blockade as a treatment strategy for obesity.European journal of applied physiology · 2025Review
- Calcium and Non-Penetrating Traumatic Brain Injury: A Proposal for the Implementation of an Early Therapeutic Treatment for Initial Head Insults.Biomolecules · 2024Review
- The Complex Interplay between Toxic Hallmark Proteins, Calmodulin-Binding Proteins, Ion Channels, and Receptors Involved in Calcium Dyshomeostasis in Neurodegeneration.Biomolecules · 2024Review
- Transcriptomics and Proteomics Approach for the Identification of Altered Blood microRNAs and Plasma Proteins in Parkinson's Disease.Cellular and molecular neurobiology · 2023Article
- Protein-Protein Interaction Studies Using Molecular Dynamics Simulation.Methods in molecular biology (Clifton, N.J.) · 2023Article
- Binding and Functional Folding (BFF): A Physiological Framework for Studying Biomolecular Interactions and Allostery.Journal of molecular biology · 2022Review
- Article
Corrections and comments
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Authors and funding
3 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Calmodulin, a ubiquitous eukaryotic calcium sensor responsible for the regulation of many fundamental cellular processes, is a highly flexible protein and exhibits an unusually wide range of conformations. Furthermore, CaM is known to interact with more than 300 cellular targets. Molecular dynamics (MD) simulation trajectories suggest that EF-hand loops show different magnitudes of flexibility. Therefore, the four EF-hand motifs have different affinities for Ca2+ ions, which enables CaM to function on wide range of Ca2+ ion concentrations. EF-hand loops are 2-3 times more flexible in apo CaM whereas least flexible in Ca2+/CaM-IQ motif complexes. We report a unique intermediate conformation of Ca2+/CaM while transitioning from extended to compact form. We also report the complex formation process between Ca2+/CaM and IQ CaM-binding motifs. Our results showed how IQ motif recognise its binding site on the CaM and how CaM transforms from extended to compact form upon binding to IQ motif.
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