The DWORF micropeptide enhances contractility and prevents heart failure in a mouse model of dilated cardiomyopathy

…, GG Schiattarella, S Bezprozvannaya, ON Raguimova… - Elife, 2018 - elifesciences.org
10.7554/eLife.38319.001 Calcium (Ca 2+ ) dysregulation is a hallmark of heart failure and is
characterized by impaired Ca 2+ sequestration into the sarcoplasmic reticulum (SR) by the …

SUMOylation regulates telomere length by targeting the shelterin subunit Tpz1Tpp1 to modulate shelterin–Stn1 interaction in fission yeast

…, JL Harland, ON Raguimova… - Proceedings of the …, 2014 - National Acad Sciences
Telomeres protect DNA ends of linear eukaryotic chromosomes from degradation and fusion,
and ensure complete replication of the terminal DNA through recruitment of telomerase. …

[HTML][HTML] Redistribution of SERCA calcium pump conformers during intracellular calcium signaling

ON Raguimova, N Smolin, E Bovo, S Bhayani… - Journal of Biological …, 2018 - ASBMB
The conformational changes of a calcium transport ATPase were investigated with
molecular dynamics (MD) simulations as well as fluorescence resonance energy transfer (FRET) …

ATP–Binding Cassette Transporter Structure Changes Detected by Intramolecular Fluorescence Energy Transfer for High-Throughput Screening

SH Iram, SJ Gruber, ON Raguimova, DD Thomas… - Molecular …, 2015 - ASPET
Multidrug resistance protein 1 (MRP1) actively transports a wide variety of drugs out of cells.
To quantify MRP1 structural dynamics, we engineered a “two-color MRP1” construct by …

[PDF][PDF] Dynamics-driven allostery underlies Ca2+-mediated release of SERCA inhibition by phospholamban

ON Raguimova, R Aguayo-Ortiz, SL Robia… - Biophysical journal, 2020 - cell.com
… Closure is accompanied by functional interactions between the N-domain b5–b6 loop and
the Adomain … Olga N. Raguimova and Rodrigo Aguayo-Ortiz contributed equally to this work. …

Ccq1-Tpz1TPP1 interaction facilitates telomerase and SHREC association with telomeres in fission yeast

BA Moser, ON Raguimova… - Molecular biology of the …, 2015 - Am Soc Cell Biol
Evolutionarily conserved shelterin complex is essential for telomere maintenance in the
fission yeast Schizosaccharomyces pombe. Elimination of the fission yeast shelterin subunit …

A Discrete Loop in SERCA N-Domain Plays a Role in SERCA Headpiece Dynamics and Function

ON Raguimova - 2018 - search.proquest.com
The sarco/endoplasmic reticulum calcium ATPase (SERCA) is the major regulator of Ca 2+
levels in the cell. Deficient calcium handling in the heart has been linked to heart failure, a …

Dynamics-driven allostery underlies pre-activation of the regulatory Ca2+-ATPase/phospholamban complex

ON Raguimova, R Aguayo-Ortiz, SL Robia… - bioRxiv, 2020 - biorxiv.org
Sarcoplasmic reticulum (SR) Ca 2+ -ATPase (SERCA) and phospholamban (PLB) are
essential for intracellular Ca 2+ transport in myocytes. Ca 2+ -dependent activation of SERCA–…

[PDF][PDF] A Small Loop in the SERCA N-Domain Facilitates the Transition to a Compact Conformation

ON Raguimova, N Smolin, SL Robia - Biophysical Journal, 2016 - cell.com
The cardiac sarco/endoplasmic reticulum (SR) calcium ATPase (SERCA) and its inhibitor
phospholamban (PLB) are key regulators of calcium levels in cardiac cells. SERCA contributes …

[PDF][PDF] A Discrete Loop of the SERCA N-Domain Interacts with Phospholamban and Stabilizes a Compact Conformation of the SERCA Cytosolic Headpiece

ON Raguimova, N Smolin, D Blackwell, E Bovo… - Biophysical …, 2017 - cell.com
The cardiac sarco/endoplasmic reticulum (ER) calcium ATPase (SERCA) and its inhibitor
phospholamban (PLB) are key regulators of calcium levels in cardiac cells. In previous …