1WYD:
reference: Structure of the nondiscriminating aspartyl-tRNA synthetase from the crenarchaeon Sulfolobus tokodaii strain 7 reveals the recognition mechanism for two different tRNA anticodons., Sato Y, Maeda Y, Shimizu S, Hossain MT, Ubukata S, Suzuki K, Sekiguchi T, Takenaka A, Acta Crystallogr D Biol Crystallogr. 2007 Oct;63(Pt 10):1042-7. Epub 2007, Sep 19. PMID: 17881821

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