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Superimposition of tertiary structures. Tertiary structures of the average and energy-minimized structures of <E200K>NMR+D (small magenta cylinders) and <E200K>NMR (small green cylinders) are superimposed in (a) the backbone of the whole protein; (b) the backbone of Loop 1; (c) the backbone of Loop 2; (d) the backbone and side-chain of Loop 1; (e) the backbone and side-chain of Loop 2.
