Fig. 3

DNA binding assay of the TAT-S3 and S3 probe for the DNA containing 8-oxoG or apurine/apyrimidine. The DNA-protein complex was incubated for 2 h at 37 °C with 20 pmol each of the TAT-S3 and S3 probes, and a 5 ‘end-radiolabeled 39 mer nucleotide duplex (7 pmol) containing either 8-oxoG or AP sites