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Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).
Representation of the Calf-1 and Calf-2 domains according to the mobility of atoms, represented by B-factor values. They range from less mobile (thin line, blue) to more mobile (thick coating, red).