An apoptotic 'eat me'signal: phosphatidylserine exposure

K Segawa, S Nagata - Trends in cell biology, 2015 - cell.com
Apoptosis and the clearance of apoptotic cells are essential processes in animal
development and homeostasis. For apoptotic cells to be cleared, they must display an 'eat …

P4-ATPases as phospholipid flippases—structure, function, and enigmas

JP Andersen, AL Vestergaard, SA Mikkelsen… - Frontiers in …, 2016 - frontiersin.org
P4-ATPases comprise a family of P-type ATPases that actively transport or flip phospholipids
across cell membranes. This generates and maintains membrane lipid asymmetry, a …

X-ray structure of a calcium-activated TMEM16 lipid scramblase

JD Brunner, NK Lim, S Schenck, A Duerst, R Dutzler - Nature, 2014 - nature.com
The TMEM16 family of proteins, also known as anoctamins, features a remarkable functional
diversity. This family contains the long sought-after Ca2+-activated chloride channels as well …

Formation and function of phosphatidylserine and phosphatidylethanolamine in mammalian cells

JE Vance, G Tasseva - Biochimica et Biophysica Acta (BBA)-Molecular and …, 2013 - Elsevier
Phosphatidylserine (PS) and phosphatidylethanolamine (PE) are metabolically related
membrane aminophospholipids. In mammalian cells, PS is required for targeting and …

Phosphatidylserine in the brain: metabolism and function

HY Kim, BX Huang, AA Spector - Progress in lipid research, 2014 - Elsevier
Phosphatidylserine (PS) is the major anionic phospholipid class particularly enriched in the
inner leaflet of the plasma membrane in neural tissues. PS is synthesized from …

Role of flippases, scramblases and transfer proteins in phosphatidylserine subcellular distribution

HM Hankins, RD Baldridge, P Xu, TR Graham - Traffic, 2015 - Wiley Online Library
It is well known that lipids are heterogeneously distributed throughout the cell. Most lipid
species are synthesized in the endoplasmic reticulum (ER) and then distributed to different …

Cryo-EM structures capture the transport cycle of the P4-ATPase flippase

M Hiraizumi, K Yamashita, T Nishizawa, O Nureki - Science, 2019 - science.org
In eukaryotic membranes, type IV P-type adenosine triphosphatases (P4-ATPases) mediate
the translocation of phospholipids from the outer to the inner leaflet and maintain lipid …

Structure and autoregulation of a P4-ATPase lipid flippase

M Timcenko, JA Lyons, D Januliene, JJ Ulstrup… - Nature, 2019 - nature.com
Abstract Type 4 P-type ATPases (P4-ATPases) are lipid flippases that drive the active
transport of phospholipids from exoplasmic or luminal leaflets to cytosolic leaflets of …

Structural basis for dual-mode inhibition of the ABC transporter MsbA

H Ho, A Miu, MK Alexander, NK Garcia, A Oh… - Nature, 2018 - nature.com
The movement of core-lipopolysaccharide across the inner membrane of Gram-negative
bacteria is catalysed by an essential ATP-binding cassette transporter, MsbA. Recent …

Lipid somersaults: Uncovering the mechanisms of protein-mediated lipid flipping

TG Pomorski, AK Menon - Progress in lipid research, 2016 - Elsevier
Membrane lipids diffuse rapidly in the plane of the membrane but their ability to flip
spontaneously across a membrane bilayer is hampered by a significant energy barrier. Thus …