Thermostimulated crystal structure transformation of the polymineral clay submicron particles
Cerâmica, 2022 Changes in the structure of phyllosilicate microparticles of submicron fractions of polymineral clay with an average size of 290 nm, as well as changes in the positions of impurity ions of transition metals in the crystal lattice, were studied by X-ray ...
A. G. Chetverikova +4 more
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Spectroscopically Orthogonal Spin Labels in Structural Biology at Physiological Temperatures [PDF]
, 2023 Electron paramagnetic resonance spectroscopy (EPR) is mostly used in structural biology in conjunction with pulsed dipolar spectroscopy (PDS) methods to monitor interspin distances in biomacromolecules at cryogenic temperatures both in vitro and in cells.
Timachi, H. Hadi +9 more
core +3 more sources
Evidence for an Ordering Transition near 120 K in an Intrinsically Disordered Protein, Casein
Molecules, 2021 Intrinsically disordered proteins (IDPs) are proteins that possess large unstructured regions. Their importance is increasingly recognized in biology but their characterization remains a challenging task.
Natalya A. Maslennikova +2 more
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Electron Spin Relaxation of Photoexcited Porphyrin in Water—Glycerol Glass
Molecules, 2020 Recently, the photoexcited triplet state of porphyrin was proposed as a promising spin-label for pulsed dipolar electron paramagnetic resonance (EPR).
Natalya Sannikova +5 more
doaj +1 more source
The spatial effect of protein deuteration on nitroxide spin-label relaxation : Implications for EPR distance measurement [PDF]
, 2014 This work was supported by a Wellcome Trust Senior Fellowship (095062) to T.O.-H. The Authors would also like to acknowledge funding from The MRC – United Kingdom, Grant G1100021.Pulsed electron-electron double resonance (PELDOR) coupled with site ...
Ward, Richard +9 more
core +1 more source
Protein-induced changes in DNA structure and dynamics observed with noncovalent site-directed spin-labeling and PELDOR [PDF]
, 2012 Site-directed spin labeling and pulsed electron–electron double resonance (PELDOR or DEER) have previously been applied successfully to study the structure and dynamics of nucleic acids. Spin labeling nucleic acids at specific sites requires the covalent
Reginsson, Gunnar Widtfeldt +5 more
core +1 more source
THE DYNAMICS OF HEMERYTHRIN AND HEMERYTHRIN DERIVATIVES
Studia Universitatis Babes-Bolyai Chemia, 2021 The non-heme diiron protein hemerythrin (Hr) has been considered as a possible alternative for semi-artificial oxygen carriers (“blood substitutes”).
Francisco CARRASCOZA +2 more
doaj +1 more source
Base-specific spin-labeling of RNA for structure determination [PDF]
, 2007 To facilitate the measurement of intramolecular distances in solvated RNA systems, a combination of spin-labeling, electron paramagnetic resonance (EPR), and molecular dynamics (MD) simulation is presented. The fairly rigid spin label 2,2,5,5-tetramethyl-
Olav Schiemann +16 more
core +1 more source
Bio-Protocol, 2017 Site-specific attachment of paramagnetic spin labels to biomolecules causes distance-dependent line-broadening effects, which can be exploited to study the structure and dynamics of these molecules in solution.
Megan Sjodt, Robert Clubb
doaj +1 more source
Strategies for synthesis of yardsticks and abaci for nanometre distance measurements by pulsed EPR [PDF]
, 2014 Silvia Valera is grateful for support by EPSRC and Bela E. Bode acknowledges support by EastCHEM.Pulsed electron paramagnetic resonance (EPR) techniques have been found to be an efficient tool for elucidation of structure in complex biological systems as
Bode, Bela Ernest +4 more
core +1 more source