Mutant species of EF-Tu, altered at position 375, exhibit a reduced affinity for aminoacylated transfer-RNAs

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Abstract

The interaction between EF-Tu GTP and aminoacyl-tRNA is shown to be influenced by mutations at site 375 of this three-domain protein. Site 375 is located in domain II near the interface with domain I [(1984) EMBO J. 3, 113-120]. Replacement of the alanine at this site by a threonine or valine residue results in lower binding constants with Phe-tRNA and Tyr-tRNA, as was evaluated by the hydrolysis protection technique. The data are discussed in the light of what is known about the three-dimensional structure of the protein and its interaction sites with aminoacyl-tRNA. © 1985.

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Sam, T., Pingoud, A., & Bosch, L. (1985). Mutant species of EF-Tu, altered at position 375, exhibit a reduced affinity for aminoacylated transfer-RNAs. FEBS Letters, 185(1), 51–56. https://doi.org/10.1016/0014-5793(85)80739-0

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