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Characteristics of PDB ID: 4WF8 (HCV NS3/4A crystal structure). (a) Ramachandran plot by PROCHECK. (b) Overall quality prediction by ERRAT. * On the error axis, two lines are drawn to indicate the confidence with which it is possible to reject regions that exceed that error value. ** Expressed as the percentage of the protein for which the calculated error value falls below the 95% rejection limit.
