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Three-dimensional structure and surface properties of Cpl-7 CWBR. A, three-helical bundle of the second repeat. Side chains of hydrophobic residues conserved in CW_7 family are shown in stick representation (Val260 corresponds to Val8 in the multiple alignment of Fig. 2A). B, molecular surface of the CWBR colored according to its electrostatic potential (top, concave face; bottom, convex face). C, distribution of conserved aromatic and charged residues along the concave face.
