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pubmed:abstractText |
Myc binds to a 6 bp 2-fold symmetric DNA site: 5'-C-3A-2C-1G+1T+2G+3-3'. Using site-specific 5-bromouracil mediated photocrosslinking, we show that His336 of Myc contacts, or is close to, the thymine 5-methyl group at 2-fold symmetry-related positions -2 and +2 of the DNA site in the Myc-DNA complex. Our results strongly suggest that homologous amino acids of Myc and Max make equivalent contacts in the respective protein-DNA complexes.
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