3O1Q:
reference: Assembly of Preactivation Complex for Urease Maturation in Helicobacter pylori: CRYSTAL STRUCTURE OF UreF-UreH PROTEIN COMPLEX., Fong YH, Wong HC, Chuck CP, Chen YW, Sun H, Wong KB, J Biol Chem. 2011 Dec 16;286(50):43241-9. Epub 2011 Oct 19. PMID: 22013070

This OCA Structure page
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