Contents

Moscow University Biological Sciences Bulletin

Vol. 78, No. 1, 2023

Editorial

Advances in Structural Research Using Electron Microscopy in Russia (Results of the Fourth International Conference RICCEM-2023)

O. S. Sokolova, T. B. Stanishneva-Konovalova and M. P. Kirpichnikov p. S1  abstract

Review

How Does a Biopolymer (Protein) Fold into a Unique 3D Structure?

K. V. Shaitan p. S5  abstract

Short Communication

Patterns of a Disulfide Bond Formation in Toxins of Spiders from the Ctenidae Family: A Comparison with Predictions of the AlphaFold 2.0 Neural Network

P. A. Mironov and Z. O. Shenkarev p. S9  abstract

Cryo-Electron Microscopy of Enveloped Viruses Using an Upgraded Transmission Electron Microscope: Influenza Type A and B Viruses and SARS-CoV-2

L. V. Kordyukova, A. V. Moiseenko, T. A. Timofeeva and I. T. Fedyakina p. S17  abstract

Stabilization of Full-Length S-Protein of SARS-Cov-2 Coronavirus in SMA Polymer for Electron Microscopy Study

N. Yu. Mamaeva, N. I. Derkacheva, D. A. Gasanova, O. S. Sokolova and G. S. Glukhov p. S22  abstract

Single-Molecule Imaging of Ion Channels Isolated in Detergent and Styrene-Maleic Acid Copolymer

A. A. Glukhova, G. Lu, K. V. Shaitan, D. V. Bagrov and G. S. Glukhov p. S28  abstract

Growth of Mesenchymal Stem Cells on Oriented Microstructured Films and Electrospun Scaffolds

I. V. Demianova, E. A. Akoulina, I. I. Zharkova, V. V. Voinova, D. V. Chesnokova, A. M. Hossain, T. K. Makhina, G. A. Bonartseva, V. I. Kulikouskaya, V. V. Nikalaichuk, Yu. R. Mukhortova, A. S. Pryadko, M. A. Surmeneva, R. A. Surmenev, K. V. Shaitan and A. P. Bonartsev p. S34  abstract

Structural Heterogeneity and Diversity of Bacillus subtilis 168 Biofilms under Different Conditions

T. Osire, Y. Wang, O. Burtseva and O. S. Sokolova p. S40  abstract

Condensed DNA Structure in Bacteria Subjected to Various Types of Stress

Y. F. Krupyanskii, N.G. Loiko, V. V. Kovalenko, A. A. Generalova, E. V. Tereshkin, A. V. Moiseenko, K. B. Tereshkina, A. N. Popov and O. S. Sokolova p. S45  abstract

Cryo-EM Structure of Bovine Chaperonin TRiC/CCT in Open Conformation

T. B. Stanishneva-Konovalova, E. B. Pichkur, S. S. Kudryavtseva, I. A. Yaroshevich, A. N. Semenov, E. G. Maksimov, A. V. Moiseenko, O. I. Volokh and V. I. Muronets p. S50  abstract

Structural Study of the Candida auris Ribosome

A. A. Atamas, A. I. Guskov and A. V. Rogachev p. S56  abstract

Cryo-Electron Microscopy at the Biological Faculty of Moscow State University

A. V. Moiseenko, A. M. Egorov, K. V. Shaitan and O. S. Sokolova p. S59  abstract

Cryoconveyor Protocols in Correlative Light and Electron Microscopy: From Multilevel Imaging to Modeling the Biophysical Effects and “Cryotheranostics”

O. V. Gradov p. S64  abstract

Peculiarities of Cytochrome c Enzymatic Activity with Cardiolipin

I. N. Levchenko, G. K. Vladimirov, I. V. Volodyaev and Y. A. Vladimirov p. S69  abstract

Rheological Behavior of Polysaccharide Hydrogels of Alginate Reinforced by a Small Amount of Halloysite Nanotubes for Extrusion 3D Printing

V. S. Molchanov, S. A. Glukhova and O. E. Philippova p. S72  abstract