Adaptability at a protein-DNA interface: re-engineering the engrailed homeodomain to recognize an unnatural nucleotide
- PMID: 15225024
- DOI: 10.1021/ja048113w
Adaptability at a protein-DNA interface: re-engineering the engrailed homeodomain to recognize an unnatural nucleotide
Abstract
We explore the adaptability at a protein-DNA interface using phage display to re-engineer a homeodomain to specifically recognize a chemically synthesized, unnatural nucleotide. The engineered homeodomain preferentially binds to the modified DNA with affinity and specificity similar to those of natural homeodomains.
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