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. 2013 Dec 13;42(5):3261–3271. doi: 10.1093/nar/gkt1296

Figure 2.

Figure 2.

EF-P identity elements. (A) Active site of PoxA. PoxA residues required for aminoacylation of EF-P and the corresponding EF-P contact residues are highlighted. The α-lysyl-adenylate analog 5′-O-[(l-lysylamino) sulfonyl] adenosine (KAA) is also represented. (B) tRNA structural mimicry by EF-P identity elements. EF-P identity elements and the relevant tRNA nucleotides are shown as localized after superposition of PoxA and AspRS. (C) Active site of PoxA. PoxA amino acids from the medium effect group and the EF-P amino acids contacted by them are highlighted. Colors used in this figure correspond to the color scheme of Figure 1.