The ancient roots of calcium signalling evolutionary tree

H Plattner, A Verkhratsky - Cell Calcium, 2015 - Elsevier
Molecular cascades of calcium homeostasis and signalling (Ca 2+ pumps, channels, cation
exchangers, and Ca 2+-binding proteins) emerged in prokaryotes and further developed at …

Basic and editing mechanisms underlying ion transport and regulation in NCX variants

D Khananshvili - Cell Calcium, 2020 - Elsevier
Abstract Structure-dynamic analysis of archaeal NCX (NCX_Mj) provided new insights into
the underlying mechanisms of ion selectivity, ion-coupled alternating access, ion occlusion …

Mechanism of extracellular ion exchange and binding-site occlusion in a sodium/calcium exchanger

J Liao, F Marinelli, C Lee, Y Huang… - Nature structural & …, 2016 - nature.com
Abstract Na+/Ca2+ exchangers use the Na+ electrochemical gradient across the plasma
membrane to extrude intracellular Ca2+ and play a central role in Ca2+ homeostasis. Here …

Sodium recognition by the Na+/Ca2+ exchanger in the outward-facing conformation

F Marinelli, L Almagor, R Hiller… - Proceedings of the …, 2014 - National Acad Sciences
Na+/Ca2+ exchangers (NCXs) are ubiquitous membrane transporters with a key role in
Ca2+ homeostasis and signaling. NCXs mediate the bidirectional translocation of either Na+ …

Structure-based function and regulation of NCX variants: updates and challenges

D Khananshvili - International Journal of Molecular Sciences, 2022 - mdpi.com
The plasma-membrane homeostasis Na+/Ca2+ exchangers (NCXs) mediate Ca2+
extrusion/entry to dynamically shape Ca2+ signaling/in biological systems ranging from …

Exploring the Li+ transporting mutant of NCX_Mj for assigning ion binding sites of mitochondrial NCLX

M Giladi, S Mitra, L Simhaev, R Hiller, B Refaeli… - Cell Calcium, 2022 - Elsevier
The plasma membrane (NCX) and mitochondrial (NCLX) Na+/Ca 2+ exchangers are
structurally related proteins, although they operate under strictly different ionic conditions …

Structure-functional basis of ion transport in sodium–calcium exchanger (NCX) proteins

M Giladi, R Shor, M Lisnyansky… - International journal of …, 2016 - mdpi.com
The membrane-bound sodium–calcium exchanger (NCX) proteins shape Ca2+
homeostasis in many cell types, thus participating in a wide range of physiological and …

Conformational free-energy landscapes of a Na+/Ca2+ exchanger explain its alternating-access mechanism and functional specificity

F Marinelli, JD Faraldo-Gómez - Proceedings of the …, 2024 - National Acad Sciences
Secondary-active transporters catalyze the movement of myriad substances across all
cellular membranes, typically against opposing concentration gradients, and without …

New Insights into the Structure–Activity Relationship and Neuroprotective Profile of Benzodiazepinone Derivatives of Neurounina-1 as Modulators of the Na+/Ca2+ …

E Magli, C Fattorusso, M Persico… - Journal of medicinal …, 2021 - ACS Publications
Due to the neuroprotective role of the Na+/Ca2+ exchanger (NCX) isoforms NCX1 and
NCX3, we synthesized novel benzodiazepinone derivatives of the unique NCX activator …

Asymmetric preorganization of inverted pair residues in the sodium-calcium exchanger

M Giladi, L Almagor, L van Dijk, R Hiller, P Man… - Scientific reports, 2016 - nature.com
In analogy with many other proteins, Na+/Ca2+ exchangers (NCX) adapt an inverted twofold
symmetry of repeated structural elements, while exhibiting a functional asymmetry by …