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. Author manuscript; available in PMC: 2015 Jan 22.
Published in final edited form as: ACS Chem Biol. 2014 Jan 27;9(4):884–890. doi: 10.1021/cb400917a

Figure 1.

Figure 1

Superimposed structures of the OmeRS complex with Omethyltyrosine and the PylRS complex with pyrrolysyl-adenosyl monophosphate (Pyl-AMP). The structures are based on PDB entries 2Q7H and 3QTC. The PylRS complex with Pyl-AMP is shown in orange for the protein carbon atoms and pink for the Pyl-AMP carbon atoms. Four mutated residues in OmeRS and the p-methoxy-phenylalanine ligand are shown in cyan for the carbon atoms. Letters in parentheses indicate the four mutated residues in OmeRS.