4RR8:
reference: Specificity and catalysis hardwired at the RNA-protein interface in a translational proofreading enzyme., Ahmad S, Muthukumar S, Kuncha SK, Routh SB, Yerabham AS, Hussain T, Kamarthapu V, Kruparani SP, Sankaranarayanan R, Nat Commun. 2015 Jun 26;6:7552. doi: 10.1038/ncomms8552. PMID: 26113036

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