Membrane Structure of Aquaporin Observed with Combined Experimental and Theoretical Sum Frequency Generation Spectroscopy

L Schmüser, M Trefz, SJ Roeters, W Beckner… - Langmuir, 2021 - ACS Publications
High-resolution structural information on membrane proteins is essential for understanding
cell biology and for the structure-based design of new medical drugs and drug delivery …

Lipid Landscapes: Vibrational Spectroscopy for Decoding Membrane Complexity

X Chen, ZA Al-Mualem, CR Baiz - Annual Review of Physical …, 2024 - annualreviews.org
Cell membranes are incredibly complex environments containing hundreds of components.
Despite substantial advances in the past decade, fundamental questions related to lipid-lipid …

Cholesterol Changes Interfacial Water Alignment in Model Cell Membranes

H Orlikowska-Rzeznik, J Versluis… - Journal of the …, 2024 - ACS Publications
The nanoscopic layer of water that directly hydrates biological membranes plays a critical
role in maintaining the cell structure, regulating biochemical processes, and managing …

Real-time observation of protein transport across membranes by femtosecond sum frequency generation vibrational spectroscopy

J Tan, C Li, J Zhang, S Ye - Chinese Journal of Chemical Physics, 2018 - pubs.aip.org
Characterization of conformation kinetics of proteins at the interfaces is crucial for
understanding the biomolecular functions and the mechanisms of interfacial biological …

Fast collective motions of backbone in transmembrane α helices are critical to water transfer of aquaporin

H Tan, M Duan, H Xie, Y Zhao, H Liu, M Yang, M Liu… - Science …, 2024 - science.org
Fast collective motions are widely present in biomolecules, but their functional relevance
remains unclear. Herein, we reveal that fast collective motions of backbone are critical to the …

Distinct protein hydration water species defined by spatially resolved spectra of intermolecular vibrations

V Pattni, T Vasilevskaya, W Thiel… - The Journal of Physical …, 2017 - ACS Publications
In this molecular dynamics simulation study, we analyze intermolecular vibrations in the
hydration shell of a solvated enyzme, the membrane type 1–matrix metalloproteinase, with …

Water and glycerol permeation through the glycerol channel GlpF and the aquaporin family

JK Lee, S Khademi, W Harries, D Savage… - Journal of …, 2004 - journals.iucr.org
The 2.2 Å resolution crystal structure of GlpF, an E. coli aquaporin that facilitates the flow of
glycerol, water and other small solutes, provides much insight into the molecular function …

Water permeation across biological membranes: mechanism and dynamics of aquaporin-1 and GlpF

BL de Groot, H Grubmuller - Science, 2001 - science.org
“Real time” molecular dynamics simulations of water permeation through human aquaporin-
1 (AQP1) and the bacterial glycerol facilitator GlpF are presented. We obtained time …

High-speed AFM images of thermal motion provide stiffness map of interfacial membrane protein moieties

J Preiner, A Horner, A Karner, N Ollinger, C Siligan… - Nano …, 2015 - ACS Publications
The flexibilities of extracellular loops determine ligand binding and activation of membrane
receptors. Arising from fluctuations in inter-and intraproteinaceous interactions, flexibility …

Ultrafast dynamics at lipid–water interfaces

JC Flanagan, ML Valentine… - Accounts of chemical …, 2020 - ACS Publications
Conspectus Lipid membranes are more than just barriers between cell compartments; they
provide molecular environments with a finely tuned balance between hydrophilic and …