A gateway to realm of structural data for biochemists, biophysicists, molecular biologist, and all scientists whose research benefits from accurate structure determination of biological macromolecules, assemblies, and complex molecular machineries at atomic resolution.
Open access to 10 high-end core facilities and assisted expertise in NMR, X-ray crystallography and crystallization, cryo-electron microscopy and tomography, biophysical characterization of biomolecular interaction, nanobiotechnology, proteomics and structural mass spectrometry.
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Richard Štefl Lab of Structural Biology
Significance
Phosphorylation patterns of the C‐terminal domain (CTD) of largest subunit of RNApolymerase II (called the CTD code) orchestrate the recruitment of RNA processing and transcription factors. Recent studies showed that not only serines and tyrosines but also threonines of the CTD can be phosphorylated with a number of functional consequences, including the interaction with yeast transcription termination factor, Rtt103p. The solution structure of the Rtt103p CTD‐interacting domain (CID) bound to Thr4 phosphorylated CTD has been obtained by NMR. The structure reveals a direct recognition of the phospho‐Thr4 mark by Rtt103p CID and shows extensive interactions involving residues from three repeats of the CTD heptad. The structural data suggests that the recruitment of a CID‐containing CTD‐binding factor may be coded by more than one letter of the CTD code.
Jasnovidova, O., Krejcikova, M., Kubicek, K. & Stefl, R. Structural insight into recognition of phosphorylated threonine-4 of RNA polymerase II C-terminal domain by Rtt103p. Embo Reports 18, 906-913, doi:10.15252/embr.201643723 (2017).
Pavel Plevka Lab of Structural Virology
Significance
Honey bee populations in Europe and North America have been decreasing since the 1950s. Deformed wing virus (DWV), which is undergoing a worldwide epidemic, causes the deaths of individual honey bees and collapse of whole colonies. Three-dimensional structures of DWV determined at different conditions shows that the virus surface is decorated with protruding globular extensions of capsid proteins. The protruding domains contain a putative catalytic site that is probably required for the entry of the virus into the host cell. In addition, parts of the DWV RNA genome interact with the inside of the virus capsid. Identifying the RNA binding and catalytic sites within the DWV virion offers prospects for the development of antiviral treatments.
Skubnik, K. ; Novacek, J.; Fuezik, T.; Pridal, A.; Paxton, R. J. ; Plevka, P.
PNAS, 114, 3210-3215 (2017)
DOI: 10.1073/pnas.1615695114