Dimers found in DNA chains damaged by ULTRAVIOLET RAYS. They consist of two adjacent PYRIMIDINE NUCLEOTIDES, usually THYMINE nucleotides, in which the pyrimidine residues are covalently joined by a cyclobutane ring. These dimers block DNA REPLICATION.
Also Known As:
Cyclobutane-Pyrimidine Dimers; Cytosine-Thymine Dimers; Thymine-Cyclobutane Dimer; Thymine-Thymine Cyclobutane Dimer; Cyclobutane Dimer, Thymine-Thymine; Cyclobutane Dimers, Thymine-Thymine; Cyclobutane Pyrimidine Dimers; Cytosine Thymine Dimer; Cytosine Thymine Dimers; Pyrimidine Dimer, Cyclobutane; Pyrimidine Dimers, Cyclobutane; Thymine Cyclobutane Dimer; Thymine Thymine Cyclobutane Dimer; Thymine-Cyclobutane Dimers; Thymine-Thymine Cyclobutane Dimers; Cyclobutane Pyrimidine Dimer; Cyclobutane-Pyrimidine Dimer; Cytosine-Thymine Dimer; Pyrimidine Dimer; Thymine Dimer; Thymine Dimers