1T13:
reference: Crystallographic Studies on Decameric Brucella spp. Lumazine Synthase: A Novel Quaternary Arrangement Evolved for a New Function?, Klinke S, Zylberman V, Vega DR, Guimaraes BG, Braden BC, Goldbaum FA, J Mol Biol 2005 Oct 14;353(1):124-37. PMID: 16165152

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