4Q1Q:
reference: An iron-containing dodecameric heptosyltransferase family modifies bacterial autotransporters in pathogenesis., Lu Q, Yao Q, Xu Y, Li L, Li S, Liu Y, Gao W, Niu M, Sharon M, Ben-Nissan G, Zamyatina A, Liu X, Chen S, Shao F, Cell Host Microbe. 2014 Sep 10;16(3):351-63. doi: 10.1016/j.chom.2014.08.008. PMID: 25211077

This OCA Structure page
uses Jmol, developed by the Jmol Development Team (documentation).