Mesh term Pyrimidine Dimers
Browse to parent terms:Oligonucleotides
Pyrimidine Nucleotides
Description
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.Search for this term in our Faculty Database
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