1PPQ:
reference: Backbone dynamics of complement control protein (CCP) modules reveals mobility in binding surfaces., O'Leary JM, Bromek K, Black GM, Uhrinova S, Schmitz C, Wang X, Krych M, Atkinson JP, Uhrin D, Barlow PN, Protein Sci 2004 May;13(5):1238-50. PMID: 15096630

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