6FV5:
reference: Homodimer architecture of QTRT2, the noncatalytic subunit of the eukaryotic tRNA-guanine transglycosylase., Behrens C, Biela I, Petiot-Becard S, Botzanowski T, Cianferani S, Sager CP, Klebe G, Heine A, Reuter K, Biochemistry. 2018 Jun 4. doi: 10.1021/acs.biochem.8b00294. PMID: 29862811

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