4KR3:
reference: Cocrystal Structures of Glycyl-tRNA Synthetase in Complex with tRNA Suggest Multiple Conformational States in Glycylation., Qin X, Hao Z, Tian Q, Zhang Z, Zhou C, Xie W, J Biol Chem. 2014 Jul 18;289(29):20359-69. doi: 10.1074/jbc.M114.557249. Epub, 2014 Jun 4. PMID: 24898252

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