3RIO:
reference: Structure of the RBD-PRDI fragment of the antiterminator protein GlcT., Himmel S, Grosse C, Wolff S, Schwiegk C, Becker S, Acta Crystallogr Sect F Struct Biol Cryst Commun. 2012 Jul 1;68(Pt 7):751-6. Epub, 2012 Jun 22. PMID: 22750856

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