scholarly journals A Synthetic Isoprenoid Lipoquinone, Menaquinone-2, Adopts a Folded Conformation in Solution and at a Model Membrane Interface

2017 ◽  
Vol 83 (1) ◽  
pp. 275-288 ◽  
Author(s):  
Jordan T. Koehn ◽  
Estela S. Magallanes ◽  
Benjamin J. Peters ◽  
Cheryle N. Beuning ◽  
Allison A. Haase ◽  
...  
Keyword(s):  
Model Membrane ◽  
Membrane Interface

scholarly journals Probing Site-Specific Structural Information of Peptides at Model Membrane Interface In Situ

2015 ◽  
Vol 137 (32) ◽  
pp. 10190-10198 ◽  
Author(s):  
Bei Ding ◽  
Afra Panahi ◽  
Jia-Jung Ho ◽  
Jennifer E. Laaser ◽  
Charles L. Brooks ◽  
...  
Keyword(s):  
Structural Information ◽  
Model Membrane ◽  
Membrane Interface ◽  
Site Specific

NMR Studies of a13C,15N-Labeled GM4-Lactam Glycolipid at an Oriented Model-Membrane Interface

1996 ◽  
Vol 118 (17) ◽  
pp. 4001-4008 ◽  
Author(s):  
Brian A. Salvatore ◽  
Ranajeet Ghose ◽  
James H. Prestegard
Keyword(s):  
Model Membrane ◽  
Membrane Interface ◽  
Nmr Studies

Signature of the Surface Hydrated Proton and Associated Restructuring of Water at the Model Membrane Interfaces: Vibrational Sum Frequency Generation Study

2021 ◽  
Author(s):  
Biswajit Biswas ◽  
Prashant Chandra Singh
Keyword(s):  
Sum Frequency Generation ◽  
Model Membrane ◽  
Membrane Interface ◽  
Sum Frequency ◽  
Membrane Interfaces ◽  
Hydrated Proton ◽  
Frequency Generation

Hydrated proton at the membrane interface plays an important role in the bioenergetic process of mostly all organisms. Herein, the signature of the hydrated proton at the membrane interfaces has...

Two-Dimensional Crystallization of Tetanus Toxin

1985 ◽  
Vol 43 ◽  
pp. 528-529
Author(s):  
Jeffry A. Reidler ◽  
John P. Robinson
Keyword(s):  
Electron Microscopy ◽  
Tetanus Toxin ◽  
Structural Information ◽  
Three Dimensional ◽  
Two Dimensional ◽  
Membrane Interface ◽  
3D Reconstructions ◽  
Cellular Receptors ◽  
Computer Reconstruction ◽  
2D Crystals

We have prepared two-dimensional (2D) crystals of tetanus toxin using procedures developed by Uzgiris and Kornberg for the directed production of 2D crystals of monoclonal antibodies at an antigen-phospholipid monolayer interface. The tetanus toxin crystals were formed using a small mole fraction of the natural receptor, GT1, incorporated into phosphatidyl choline monolayers. The crystals formed at low concentration overnight. Two dimensional crystals of this type are particularly useful for structure determination using electron microscopy and computer image refinement. Three dimensional (3D) structural information can be derived from these crystals by computer reconstruction of photographs of toxin crystals taken at different tilt angles. Such 3D reconstructions may help elucidate the mechanism of entry of the enzymatic subunit of toxins into cells, particularly since these crystals form directly on a membrane interface at similar concentrations of ganglioside GT1 to the natural cellular receptors.

Destabilization of a model membrane by a predicted fusion peptide of fertilin α

1998 ◽  
Vol 95 (2) ◽  
pp. 467-473 ◽  
Author(s):  
A. Schanck ◽  
R. Brasseur ◽  
J. Peuvot
Keyword(s):  
Fusion Peptide ◽  
Model Membrane

Phase Transitions in Phospholipid Monolayers Studied by Atomic Force Microscopy and Langmuir-Blodgett Technique

2008 ◽  
Vol 59 (11) ◽  
Author(s):  
Maria Tomoaia-Cotisel ◽  
Aurora Mocanu
Keyword(s):  
Atomic Force Microscopy ◽  
Lipid Membrane ◽  
Phase Behaviour ◽  
Membrane Interface ◽  
Force Microscopy ◽  
Langmuir Blodgett ◽  
Atomic Force ◽  
Phospholipid Monolayers ◽  
Air Water Interface ◽  
Condensed Liquid

The phase behaviour and surface structure of dipalmitoyl phosphatidyl choline (DPPC) monolayers at the air/water interface, in the absence and the presence of procaine, have been investigated by Langmuir-Blodgett (LB) technique and atomic force microscopy. The LB films were transferred on mica, at a controlled surface pressure, characteristic for the expanded liquid to condensed liquid phase transition of pure DPPC monolayers. The results indicate that procaine penetrates into and specifically interacts with phospholipid monolayers stabilizing the lipid membrane interface.

scholarly journals Does liquid–liquid phase separation drive peptide folding?

2021 ◽  
Author(s):  
Dean N. Edun ◽  
Meredith R. Flanagan ◽  
Arnaldo L. Serrano
Keyword(s):  
Infrared Spectroscopy ◽  
Phase Separation ◽  
Liquid Phase ◽  
Model Membrane ◽  
Peptide Folding ◽  
Two Dimensional ◽  
Intrinsically Disordered ◽  
Intrinsically Disordered Peptide ◽  
Two Dimensional Infrared Spectroscopy ◽  
Liquid Liquid Phase Separation

Two-dimensional infrared spectroscopy reveals folding of an intrinsically disordered peptide when sequestered into a model “membrane-less” organelle.

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