6WRT:
reference: Overcoming near-cognate suppression in a Release Factor 1-deficient host with an improved nitro-tyrosine tRNA synthetase., Beyer J, Hosseinzadeh P, Gottfried-Lee I, Van Fossen EM, Zhu P, Bednar RM, Karplus PA, Mehl RA, Cooley RB, J Mol Biol. 2020 Jun 19. pii: S0022-2836(20)30410-1. doi:, 10.1016/j.jmb.2020.06.014. PMID: 32569745

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