Abstract
Staphylococcus aureus hibernation promoting factor (SaHPF) is a 22,2 kDa protein which plays a crucial role in 100S Staphylococcus aureus ribosome formation during stress. SaHPF consists of N-terminal domain (NTD) that prevents proteins synthesis by binding to the 30S subunit at the P- and A-sites, connected through a flexible linker with a C-terminal domain (CTD) that keeps ribosomes in 100S form via homodimerization. Recently obtained 100S ribosome structure of S. aureus by cryo-EM shown that SaHPF-NTD bound to the ribosome active sites, however due to the absence of SaHPF-NTD structure it was modeled by homology with the E. coli hibernation factors HPF and YfiA. In present paper we have determined the solution structure of SaHPF-NTD by high-resolution NMR spectroscopy which allows us to increase structural knowledge about HPF structure from S. aureus.
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Data availability
Structural data are available in the Protein Data Bank/BioMagResBank databases under the accession number 6QBZ / 27085.
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This work was supported by the Russian Science Foundation (Grant 16-14-10014).
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Usachev, K.S., Validov, S.Z., Khusainov, I.S. et al. Solution structure of the N-terminal domain of the Staphylococcus aureus hibernation promoting factor. J Biomol NMR 73, 223–227 (2019). https://doi.org/10.1007/s10858-019-00254-4
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DOI: https://doi.org/10.1007/s10858-019-00254-4