NDLI: Simulations of membrane tubulation by lattices of amphiphysin N-BAR domains.

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Simulations of membrane tubulation by lattices of amphiphysin N-BAR domains.

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Simulations of membrane tubulation by lattices of amphiphysin N-BAR domains.

Content Provider	World Health Organization (WHO)-Global Index Medicus
Author	Yin, Ying Arkhipov, Anton Schulten, Klaus
Description	Country affiliation: United States Author Affiliation: Yin Y ( Department of Physics and Beckman Institute, University of Illinois at Urbana-Champaign, 405 North Mathews, Urbana, IL 61801, USA.)
Abstract	Membrane compartments of manifold shapes are found in cells, often sculpted by cellular proteins. In particular, proteins of the BAR domain superfamily participate in membrane-sculpting processes in vivo and reshape also in vitro low-curvature membrane liposomes into high-curvature tubes and vesicles. Here we show by means of computer simulations totaling over 1 millisecond, how lattices involving parallel rows of amphiphysin N-BAR domains sculpt flat membranes into tubes. A highly detailed, dynamic picture of the 100-microsecond formation of membrane tubes by lattices of N-BAR domains is obtained. Lattice types inducing a wide range of membrane curvatures, with radii approximately 15-100 nm, are explored. The results suggest that multiple lattice types are viable for efficient membrane bending.
File Format	HTM / HTML
ISSN	09692126
e-ISSN	18784186
DOI	10.1016/j.str.2009.03.016
Journal	Structure
Issue Number	6
Volume Number	17
Language	English
Publisher	Elsevier
Publisher Date	2009-06-10
Publisher Place	United States
Access Restriction	Open
Subject Keyword	Discipline Molecular Biology Discipline Biochemistry Discipline Biotechnology Cell Membrane Metabolism Cellular Structures Computer Simulation Nerve Tissue Proteins Lipid Bilayers Liposomes Membrane Fluidity Membrane Proteins Models, Chemical Models, Molecular Protein Binding Protein Structure, Tertiary Proteins Research Support, N.i.h., Extramural Research Support, Non-u.s. Gov't Research Support, U.s. Gov't, Non-p.h.s.
Content Type	Text
Resource Type	Article
Subject	Structural Biology Molecular Biology

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