Head swivel on the ribosome facilitates translocation by means of intra-subunit tRNA hybrid sites (original) (raw)
Accession codes
Primary accessions
EMBL/GenBank/DDBJ
Protein Data Bank
Data deposits
The electron density maps and models of the TIPRE and the TIPOST complexes have been deposited in the 3D-EM database with accession numbers EMD-1798 and EMD-1799, and in the Protein Data Bank database with PDB IDs 2xsy, 2xtg, 2xux and 2xuy.
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Acknowledgements
The present work was supported by grants from the Deutsche Forschungsgemeinschaft (DFG; SFB 740 TP A3 and TP Z1, SP 1130/2-1 to C.M.T.S., FU579 1-3 to P.F., HA 1672/7-5 to R.K.H. and WI3285/1-1 to D.N.W.), the European Union 3D-EM Network of Excellence (to C.M.T.S.), the European Union and Senatsverwaltung für Wissenschaft, Forschung und Kultur Berlin (UltraStructureNetwork, Anwenderzentrum) and US National Institutes of Health (NIH; grant GM 60635 to P.A.P.), the Cluster of Excellence ‘Macromolecular complexes’ at the Goethe University Frankfurt (DFG Project EXC 115 to P.F. and S.C.), and the Human Frontiers of Science Program Young Investigators Award HFSP67/07 (to P.F.). We thank the New Mexico Computing Application Center for generous time on the Encanto Supercomputer. P.C.W. is currently funded by a LANL Director’s Fellowship. This work was also supported by the Center for Theoretical Biological Physics sponsored by the National Science Foundation (NSF; grant PHY-0822283) with additional support from NSF-MCB-0543906, the LANL LDRD program and NIH grant R01-GM072686.
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Authors and Affiliations
- Institut für Medizinische Physik und Biophysik, Charite – Universitätsmedizin Berlin, Ziegelstrasse 5–9, 10117-Berlin, Germany ,
Andreas H. Ratje, Justus Loerke, Matthias Brünner, Peter W. Hildebrand, Thorsten Mielke & Christian M. T. Spahn - Institut für Pharmazeutische Chemie, Philipps-Universität Marburg, Marburg, 35037, Germany
Andreas H. Ratje & Roland K. Hartmann - Gene Center and Department of Biochemistry, Ludwig-Maximilians-Universität, Feodor-Lynenstrasse 25, 81377 München, Germany,
Aleksandra Mikolajka, Agata L. Starosta, Alexandra Dönhöfer & Daniel N. Wilson - Center for Integrated Protein Science, Ludwig-Maximilians-Universität München, München, 81377, Germany
Aleksandra Mikolajka & Daniel N. Wilson - Frankfurt Institute for Molecular Life Sciences, Institute of Organic Chemistry and Chemical Biology, Goethe University Frankfurt, Max-von Laue-Strasse 7, D-60438 Frankfurt am Main, Germany ,
Sean R. Connell & Paola Fucini - UltraStrukturNetzwerk, Max Planck Institute for Molecular Genetics, Berlin, 14195, Germany
Thorsten Mielke - Theoretical Division, Theoretical Biology and Biophysics Group, Los Alamos National Laboratory, Los Alamos, 87545, New Mexico, USA
Paul C. Whitford & Karissa Y. Sanbonmatsu - Center for Theoretical Biological Physics and Department of Physics, University of California, San Diego, La Jolla, 92093, California, USA
José N. Onuchic - Department of Computer Science, Florida State University, Tallahassee, 32306, Florida, USA
Yanan Yu - The University of Texas – Houston Medical School, 6431 Fannin, Houston, 77030, Texas, USA
Pawel A. Penczek
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Contributions
A.M., A.L.S. and A.D. prepared the complexes. A.H.R. and T.M. collected the cryoelectron microscopy data. A.H.R, J.L., M.B., S.R.C. and C.M.T.S. did the image processing. P.C.W., Y.Y., J.O. and K.Y.S. developed and employed the MDFit method. P.W.H. participated in docking and analysed the FA-binding site. A.H.R., R.K.H., S.R.C., P.F., P.A.P., D.N.W. and C.M.T.S. discussed the results and wrote the paper.
Corresponding authors
Correspondence toDaniel N. Wilson or Christian M. T. Spahn.
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Supplementary information
Supplementary Information
The file contains Supplementary Results and Discussion, Supplementary Table 1, Supplementary Figures 1-7 with legends and Supplementary References. (PDF 1041 kb)
Supplementary Movie 1
The animation compares the cryo-EM maps of sub-state I (TIPRE) and sub-state II (TIPOST) of the 70S•EF-G•GDP•FA complex, which are shown as mesh superposed with docked molecular models in ribbons representation (see also legend to Fig. 1): EF-G (red), the tRNA (green), the 16S rRNA (yellow), and the 30S ribosomal proteins (pink). The maps are shown from the 50S side with the 50S subunit computationally removed. Alignment was based on the respective 50S subunits. (GIF 2823 kb)
Supplementary Movie 2
The animation compares the cryo-EM maps of sub-state I (TIPRE) and sub-state II (TIPOST) of the 70S•EF-G•GDP•FA complex, which are shown as mesh superposed with docked molecular models in ribbons representation (see also legend to Fig. 1): EF-G (red), the tRNA (green), the 16S rRNA (yellow), and the 30S ribosomal proteins (pink). The maps are shown as a top view onto the 30S subunit with the 50S subunit computationally removed. Alignment was based on the respective 50S subunits. (GIF 1272 kb)
Supplementary Movie 3
The animation compares the molecular models of sub-state I (TIPRE) and sub-state II (TIPOST) of the 70S•EF-G•GDP•FA complex in a close-up of the tRNA binding. The 30S subunit is shown with yellow ribbons, the tRNAs as blue ribbons and ribosomal residues that contact tRNAs in A-, P- and E-sites as spheres coloured magenta, green and orange, respectively (see also Fig. 2a, b). (GIF 1415 kb)
Supplementary Movie 4
In a common 50S alignment, the P/E-tRNA (green ribbon) of TIPRE (sub-state I) and the pe/EtRNA (magenta ribbon) of TIPOST (sub-state II) together with their respective mRNA codons11are compared to the positions of the tRNAs in classical A-, P- and E-sites and the mRNA (grey ribbons). See also Fig. 3d. (GIF 145 kb)
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Ratje, A., Loerke, J., Mikolajka, A. et al. Head swivel on the ribosome facilitates translocation by means of intra-subunit tRNA hybrid sites.Nature 468, 713–716 (2010). https://doi.org/10.1038/nature09547
- Received: 05 February 2010
- Accepted: 30 September 2010
- Published: 01 December 2010
- Issue Date: 02 December 2010
- DOI: https://doi.org/10.1038/nature09547