1SRY:
reference: Refined crystal structure of the seryl-tRNA synthetase from Thermus thermophilus at 2.5 A resolution., Fujinaga M, Berthet-Colominas C, Yaremchuk AD, Tukalo MA, Cusack S, J Mol Biol 1993 Nov 5;234(1):222-33. PMID: 8230201

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