4UP9:
reference: Crystal structures of Entamoeba histolytica lysyl-tRNA synthetase reveal conformational changes upon lysine binding and a specific helix bundle domain., Bonnefond L, Castro de Moura M, Ribas de Pouplana L, Nureki O, FEBS Lett. 2014 Oct 24;588(23):4478-4486. doi: 10.1016/j.febslet.2014.10.019. PMID: 25448989

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