1B4M:
reference: The structure and dynamics of rat apo-cellular retinol-binding protein II in solution: comparison with the X-ray structure., Lu J, Lin CL, Tang C, Ponder JW, Kao JL, Cistola DP, Li E, J Mol Biol 1999 Mar 5;286(4):1179-95. PMID: 10047490

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