Schematic representation of the structure of the p53-MDM2 complex determined by x-ray crystallography at a resolution of 2.6 A. p53 (residues 17-29) is in yellow. The secondary structure elements of MDM2 (residues 25-109) are in red (a-helices), blue (b-strands) and white (loops). For details, see article by Ch`ene on page 20.

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