Small-angle X-ray scattering study of the influence of solvent replacement (from H2O to D2O) on the initial crystallization stage of tetragonal lysozyme


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Аннотация

The composition of lysozyme solutions in D2O under conditions favorable for the formation of tetragonal crystals has been investigated at different protein concentrations by small-angle X-ray scattering using the synchrotron radiation. In addition to lysozyme monomers, dimeric and octameric species are found in the crystallization solutions; the octamer content increases with an increase in the protein concentration. A comparison of the data with those obtained under similar conditions but with H2O used as a solvent has shown that the replacement of light water with heavy one leads to increase of octamer volume fraction in solution.

Авторлар туралы

A. Boikova

Shubnikov Institute of Crystallography of Federal Scientific Research Centre “Crystallography and Photonics” of Russian Academy of Sciences; National Research Centre “Kurchatov Institute,”

Хат алмасуға жауапты Автор.
Email: boikova_as@crys.ras.ru
Ресей, Moscow, 119333; Moscow, 123182

Yu. D’yakova

Shubnikov Institute of Crystallography of Federal Scientific Research Centre “Crystallography and Photonics” of Russian Academy of Sciences; National Research Centre “Kurchatov Institute,”

Email: boikova_as@crys.ras.ru
Ресей, Moscow, 119333; Moscow, 123182

K. Il’ina

Shubnikov Institute of Crystallography of Federal Scientific Research Centre “Crystallography and Photonics” of Russian Academy of Sciences; National Research Centre “Kurchatov Institute,”

Email: boikova_as@crys.ras.ru
Ресей, Moscow, 119333; Moscow, 123182

P. Konarev

Shubnikov Institute of Crystallography of Federal Scientific Research Centre “Crystallography and Photonics” of Russian Academy of Sciences; National Research Centre “Kurchatov Institute,”

Email: boikova_as@crys.ras.ru
Ресей, Moscow, 119333; Moscow, 123182

A. Kryukova

Shubnikov Institute of Crystallography of Federal Scientific Research Centre “Crystallography and Photonics” of Russian Academy of Sciences; National Research Centre “Kurchatov Institute,”

Email: boikova_as@crys.ras.ru
Ресей, Moscow, 119333; Moscow, 123182

M. Marchenkova

Shubnikov Institute of Crystallography of Federal Scientific Research Centre “Crystallography and Photonics” of Russian Academy of Sciences; National Research Centre “Kurchatov Institute,”

Email: boikova_as@crys.ras.ru
Ресей, Moscow, 119333; Moscow, 123182

A. Blagov

Shubnikov Institute of Crystallography of Federal Scientific Research Centre “Crystallography and Photonics” of Russian Academy of Sciences; National Research Centre “Kurchatov Institute,”

Email: boikova_as@crys.ras.ru
Ресей, Moscow, 119333; Moscow, 123182

Yu. Pisarevskii

Shubnikov Institute of Crystallography of Federal Scientific Research Centre “Crystallography and Photonics” of Russian Academy of Sciences; National Research Centre “Kurchatov Institute,”

Email: boikova_as@crys.ras.ru
Ресей, Moscow, 119333; Moscow, 123182

M. Koval’chuk

Shubnikov Institute of Crystallography of Federal Scientific Research Centre “Crystallography and Photonics” of Russian Academy of Sciences; National Research Centre “Kurchatov Institute,”; St. Petersburg State University

Email: boikova_as@crys.ras.ru
Ресей, Moscow, 119333; Moscow, 123182; St. Petersburg, 199034

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