CRYSTAL STRUCTURE OF A PYRIMIDINE DIMER SPECIFIC EXCISION REPAIR ENZYME FROM BACTERIOPHAGE T4: REFINEMENT AT 1.45 ANGSTROMS AND X-RAY ANALYSIS OF THE THREE ACTIVE SITE MUTANTS
Pyrimidine dimer DNA glycosylases excise pyrimidine dimers by hydrolysis of the glycosylic bond of the 5' pyrimidine, followed by the intra-pyrimidine phosphodiester bond. Pyrimidine dimers are the major UV-lesions of DNA.