2DSY:
reference: Structure of a UPF0150-family protein from Thermus thermophilus HB8., Okazaki N, Kumei M, Manzoku M, Kuramitsu S, Shirouzu M, Shinkai A, Yokoyama S, Acta Crystallograph Sect F Struct Biol Cryst Commun. 2007 Mar 1;63(Pt, 3):173-7. Epub 2007 Feb 23. PMID: 17329807

This OCA Structure page
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