Figure 7. A) Two distinct conformations of the 3'-terminal strands of tRNAGln (blue) and tRNAVal (red) in the enzyme-bound state.

Figure 7

A) Two distinct conformations of the 3'-terminal strands of tRNAGln (blue) and tRNAVal (red) in the enzyme-bound state. The nucleosides in positions 73-76 are shown as plates. B) The tRNAVal CCA region is bound to the editing domain. The residues that contact the CCA region are shown as green sticks. C) Specific 3'-A (A76) recognition by the editing domain of ValRS. Blue dashed lines indicate hydrogen bonds between the 3'-A and the editing domain.

From: Valyl-tRNA Synthetases

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