Dissimilar interaction of CB1/CB2 with lipid bilayers as revealed by molecular dynamics simulation

文献情報

出版日 2010-12-21

DOI 10.1039/C0CP01456G

インパクトファクター 3.676

著者

Javier Ramos, Víctor L. Cruz, Javier Martínez-Salazar, Nuria E. Campillo, Juan A. Páez

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要旨

Cannabinoid receptors CB1 and CB2 are a striking class of transmembrane proteins involved in a high number of important biological processes. In spite of the inherent similarity (40% in aminoacid sequence) these receptors are found in different cell environments. In addition to this, CB1 activity has been intimately associated with lipid rafts whereas CB2 has not. In this work we have performed a 50 nanosecond molecular dynamics simulation of the inactive conformations of both receptors inserted in a POPC lipid bilayer. Although in both cases the overall protein structure is maintained along the entire simulation we have found important differences in the protein–lipid interaction. While CB1 tends to distort the lipid bilayer regularity, especially in the extracellular moiety, CB2 has a minor influence on the lipid distribution along the plane of the bilayer. This observation is consistent with some experimental facts observed in these cannabinoid receptors with regard to lipid/protein interaction.

掲載誌

Physical Chemistry Chemical Physics

CiteScore: 5.5

自己引用率: 10.3%

年間論文数: 3036

Physical Chemistry Chemical Physics (PCCP) is an international journal co-owned by 19 physical chemistry and physics societies from around the world. This journal publishes original, cutting-edge research in physical chemistry, chemical physics and biophysical chemistry. To be suitable for publication in PCCP, articles must include significant innovation and/or insight into physical chemistry; this is the most important criterion that reviewers and Editors will judge against when evaluating submissions. The journal has a broad scope and welcomes contributions spanning experiment, theory, computation and data science. Topical coverage includes spectroscopy, dynamics, kinetics, statistical mechanics, thermodynamics, electrochemistry, catalysis, surface science, quantum mechanics, quantum computing and machine learning. Interdisciplinary research areas such as polymers and soft matter, materials, nanoscience, energy, surfaces/interfaces, and biophysical chemistry are welcomed if they demonstrate significant innovation and/or insight into physical chemistry. Joined experimental/theoretical studies are particularly appreciated when complementary and based on up-to-date approaches.

Dissimilar interaction of CB1/CB2 with lipid bilayers as revealed by molecular dynamics simulation

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掲載誌

Physical Chemistry Chemical Physics

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