4V69:
reference: Ribosome-induced changes in elongation factor Tu conformation control GTP hydrolysis., Villa E, Sengupta J, Trabuco LG, LeBarron J, Baxter WT, Shaikh TR, Grassucci RA, Nissen P, Ehrenberg M, Schulten K, Frank J, Proc Natl Acad Sci U S A. 2009 Jan 27;106(4):1063-8. Epub 2009 Jan 2. PMID: 19122150

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