Tandem binding in crystals of a trp repressor/operator half-site complex.
Lawson, C.L., Carey, J.(1993) Nature 366: 178-182
- PubMed: 8232559 
- DOI: 10.1038/366178a0
- PubMed Abstract: 
The crystal structure of trp repressor tandemly bound in a 2:1 complex to a 16-base-pair palindromic DNA containing a central trp operator half-site has been determined and refined to 2.4 A resolution. Despite dramatically different DNA sequence cont ...