Sayle's RasMol Image Gallery

Phage 434 CRO repressor protein bound to DNA

The nucleic acid fragment is displayed as a spacefilling model with pyrimidines shown in red and purines shown in yellow. The symmetrical CRO repressor is shown in two different representations. The top chain is displayed as an thick alpha carbon backbone, with wireframe sidechains, coloured from blue at the N-terminus to red at the C-terminus. The bottom chain is shown as spacefilling CPK spheres. Note the major and minor groves of the DNA are emphasised by the shadowing.

From 3CRO.PDB (bundled with full releases of RasMol): A. Mondragon and S. C. Harrison, The phage 434 CRO/DNA complex at 2.5 Angstroms resolution. J. Mol. Biol. 219:321, 1991.

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1993 by Andrew Coulson and Roger Sayle, University of Edinburgh