Bactobolin A Binds to a Site on the 70S Ribosome Distinct from Previously Seen Antibiotics.
Amunts, A., Fiedorczuk, K., Truong, T.T., Chandler, J., Peter Greenberg, E., Ramakrishnan, V.(2015) J Mol Biology 427: 753-755
- PubMed: 25562208 Search on PubMedSearch on PubMed Central
- DOI: https://doi.org/10.1016/j.jmb.2014.12.018
- Primary Citation Related Structures: 
4WT8 - PubMed Abstract: 
The ribosome is the target of a large number of antibiotics. Here, we report a 3.4-Å-resolution crystal structure of bactobolin A bound to 70S ribosome-tRNA complex. The antibiotic binds at a previously unseen site in the 50S subunit and displaces tRNA bound at the P-site. It thus likely has a similar mechanism of action as blasticidin S despite binding to a different site. The structure also rationalizes previously identified resistance mutations.
- MRC Laboratory of Molecular Biology, Cambridge CB20QH, UK.
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