Store-operated calcium channels: from function to structure and back again

RS Lewis - Cold Spring Harbor perspectives in biology, 2020 - cshperspectives.cshlp.org
Store-operated calcium (Ca2+) entry (SOCE) occurs through a widely distributed family of
ion channels activated by the loss of Ca2+ from the endoplasmic reticulum (ER). The best …

[HTML][HTML] STIM1 activation of Orai1

V Lunz, C Romanin, I Frischauf - Cell calcium, 2019 - Elsevier
Abstract A primary calcium (Ca 2+) entry pathway into non-excitable cells is through the
store-operated Ca 2+ release activated Ca 2+(CRAC) channel. Ca 2+ entry into cells is …

An apical Phe-His pair defines the Orai1-coupling site and its occlusion within STIM1

Y Zhou, MR Jennette, G Ma, SA Kazzaz… - Nature …, 2023 - nature.com
Ca2+ signal-generation through inter-membrane junctional coupling between endoplasmic
reticulum (ER) STIM proteins and plasma membrane (PM) Orai channels, remains a vital but …

The Orai1 Store-Operated Calcium Channel Functions as a Hexamer*♦

X Cai, Y Zhou, RM Nwokonko, NA Loktionova… - Journal of Biological …, 2016 - ASBMB
Orai channels mediate store-operated Ca 2+ signals crucial in regulating transcription in
many cell types, and implicated in numerous immunological and inflammatory disorders …

STIM1-dependent peripheral coupling governs the contractility of vascular smooth muscle cells

V Krishnan, S Ali, AL Gonzales, P Thakore, CS Griffin… - Elife, 2022 - elifesciences.org
Peripheral coupling between the sarcoplasmic reticulum (SR) and plasma membrane (PM)
forms signaling complexes that regulate the membrane potential and contractility of vascular …

Molecular mechanisms of STIM/Orai communication

I Derler, I Jardin, C Romanin - American Journal of …, 2016 - journals.physiology.org
Ca2+ entry into the cell via store-operated Ca2+ release-activated Ca2+ (CRAC) channels
triggers diverse signaling cascades that affect cellular processes like cell growth, gene …

Mitochondria control store‐operated Ca2+ entry through Na+ and redox signals

T Ben‐Kasus Nissim, X Zhang, A Elazar, S Roy… - The EMBO …, 2017 - embopress.org
Mitochondria exert important control over plasma membrane (PM) Orai1 channels mediating
store‐operated Ca2+ entry (SOCE). Although the sensing of endoplasmic reticulum (ER) …

The STIM1-binding site nexus remotely controls Orai1 channel gating

Y Zhou, X Cai, NA Loktionova, X Wang… - Nature …, 2016 - nature.com
Abstract The ubiquitously expressed Orai Ca2+ channels are gated through a unique
process of intermembrane coupling with the Ca2+-sensing STIM proteins. Despite the …

Activation mechanisms and structural dynamics of STIM proteins

M Sallinger, H Grabmayr, C Humer… - The Journal of …, 2024 - Wiley Online Library
The family of stromal interaction molecules (STIM) includes two widely expressed single‐
pass endoplasmic reticulum (ER) transmembrane proteins and additional splice variants …

STIM proteins: an ever-expanding family

H Grabmayr, C Romanin, M Fahrner - International Journal of Molecular …, 2020 - mdpi.com
Stromal interaction molecules (STIM) are a distinct class of ubiquitously expressed single-
pass transmembrane proteins in the endoplasmic reticulum (ER) membrane. Together with …