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Analysis of the MCTP Amino Acid Sequence Reveals the Conservation of Putative Calcium- and Lipid-Binding Pockets Within the C2 Domains In Silico

Journal of Molecular Evolution, ISSN: 1432-1432, Vol: 90, Issue: 3-4, Page: 271-282
2022
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Article Description

MCTPs (Multiple C2 Domains and Transmembrane region Proteins) are evolutionarily and structurally related to other C2 proteins, which are central to exocytosis and membrane trafficking; however, their specific function has been little studied. MCTPs are associated with endosomes and the endoplasmic reticulum and possess three C2 domains (C2A-C2C) and two transmembrane regions (TMRs) well conserved in different species. Here, we generated structural models of the MCTP C2 domains of C. elegans and analyzed their putative function by docking, which revealed that these domains possess Ca- and lipid-binding pockets, suggesting that MCTPs play a significant, calcium-dependent role in membrane physiology.

Bibliographic Details

Téllez-Arreola, José Luis; Martínez-Torres, Ataúlfo; Flores-Moran, Adriana E; Lazaro-Guevara, José M; Estrada-Mondragón, Argel

Springer Science and Business Media LLC

Agricultural and Biological Sciences; Biochemistry, Genetics and Molecular Biology

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