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Summary
Description1QRE L3betaHelix.jpg
English: Ribbon schematic of a 3-sided, lefthanded beta-helix protein subunit (end view). Beta strands are shown as arrows; the backbone spirals clockwise up toward the viewer in the neatly triangular parallel beta sheets. The final turn (orange) is protected from possible aggregation by the small alpha-heix that lies across it. From the 1QRE archaeal carbonic anhydrase structure, visualized in Mage and rendered by Raster3D.
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{{Information |Description={{en|1=Ribbon schematic of a 3-sided, lefthanded beta-helix protein subunit (end view). Beta strands are shown as arrows; the backbone spirals clockwise up toward the viewer in the neatly triangular parallel beta sheets. The fin