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χ1 of Thr-2. The side-chain angle χ1 of Thr at position 2 (Thr-2) is shown as a function of time. The χ1 of Thr-2 when the protein is solvated in water is shown in blue, with Thr-Ala-Asx face of the protein facing the ice shown in red, and with Thr-Ala-Ala face of the protein facing the ice shown in black.
