Lipid-dependent regulation of ion channels and G protein–coupled receptors: insights from structures and simulations

AL Duncan, W Song… - Annual review of …, 2020 - annualreviews.org
Ion channels and G protein–coupled receptors (GPCRs) are regulated by lipids in their
membrane environment. Structural studies combined with biophysical and molecular …

Ion channels as lipid sensors: from structures to mechanisms

MJ Thompson, JE Baenziger - Nature Chemical Biology, 2020 - nature.com
Ion channels play critical roles in cellular function by facilitating the flow of ions across the
membrane in response to chemical or mechanical stimuli. Ion channels operate in a lipid …

Structural basis of PIP2 activation of the classical inward rectifier K+ channel Kir2.2

SB Hansen, X Tao, R MacKinnon - Nature, 2011 - nature.com
The regulation of ion channel activity by specific lipid molecules is widely recognized as an
integral component of electrical signalling in cells,. In particular, phosphatidylinositol 4, 5 …

Molecular structures of the human Slo1 K+ channel in complex with β4

X Tao, R MacKinnon - Elife, 2019 - elifesciences.org
Slo1 is a Ca2+-and voltage-activated K+ channel that underlies skeletal and smooth muscle
contraction, audition, hormone secretion and neurotransmitter release. In mammals, Slo1 is …

Cryo–electron microscopy unveils unique structural features of the human Kir2. 1 channel

CAH Fernandes, D Zuniga, C Fagnen, V Kugler… - Science …, 2022 - science.org
We present the first structure of the human Kir2. 1 channel containing both transmembrane
domain (TMD) and cytoplasmic domain (CTD). Kir2. 1 channels are strongly inward …

Defining how multiple lipid species interact with inward rectifier potassium (Kir2) channels

AL Duncan, RA Corey… - Proceedings of the …, 2020 - National Acad Sciences
Protein–lipid interactions are a key element of the function of many integral membrane
proteins. These potential interactions should be considered alongside the complexity and …

[HTML][HTML] Lipid agonism: The PIP2 paradigm of ligand-gated ion channels

SB Hansen - Biochimica et Biophysica Acta (BBA)-Molecular and …, 2015 - Elsevier
The past decade, membrane signaling lipids emerged as major regulators of ion channel
function. However, the molecular nature of lipid binding to ion channels remained poorly …

Allostery revealed within lipid binding events to membrane proteins

JW Patrick, CD Boone, W Liu… - Proceedings of the …, 2018 - National Acad Sciences
Membrane proteins interact with a myriad of lipid species in the biological membrane,
leading to a bewildering number of possible protein− lipid assemblies. Despite this inherent …

Phosphoinositide regulation of TRP channels

T Rohacs - Mammalian Transient Receptor Potential (TRP) Cation …, 2014 - Springer
Abstract Transient Receptor Potential (TRP) channels are activated by stimuli as diverse as
heat, cold, noxious chemicals, mechanical forces, hormones, neurotransmitters, spices, and …

Tools for understanding nanoscale lipid regulation of ion channels

CV Robinson, T Rohacs, SB Hansen - Trends in biochemical sciences, 2019 - cell.com
Anionic phospholipids are minor but prominent components of the plasma membrane that
are necessary for ion channel function. Their persistence in bulk membranes, in particular …