Structure Create Talk0 Category page This page needs content. You can help by adding a sentence or a photo! Add to this page! Disulfide Bridge Hydrogen Bonding U-Turn Glycine Hinge Pages in category "Structure" The following 4 pages are in this category, out of 4 total. D Disulfide BridgeG Glycine HingeH Hydrogen BondingU U-Turn Retrieved from "http://foldit.wikia.com/wiki/Category:Structure"