1VS3:
reference: Crystal Structure of tRNA Pseudouridine Synthase TruA from Thermus thermophilus HB8., Dong X, Bessho Y, Shibata R, Nishimoto M, Shirouzu M, Kuramitsu S, Yokoyama S, RNA Biol. 2006 Jul 17;3(3). PMID: 17114947

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