5UJJ:
reference: An alternative conformation of human TrpRS suggests a role of zinc in activating non-enzymatic function., Xu X, Zhou H, Zhou Q, Hong F, Vo MN, Niu W, Wang Z, Xiong X, Nakamura K, Wakasugi K, Schimmel P, Yang XL, RNA Biol. 2017 Sep 14:1-10. doi: 10.1080/15476286.2017.1377868. PMID: 28910573

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