Pyrimidine Dimers D011740

Chemicals and Drugs [D] » Heterocyclic Compounds [D03] » Heterocyclic Compounds, 1-Ring » Pyrimidines » Pyrimidine Nucleotides » Pyrimidine Dimers

Chemicals and Drugs [D] » Nucleic Acids, Nucleotides, and Nucleosides [D13] » Nucleotides » Polynucleotides » Oligonucleotides » Pyrimidine Dimers

Chemicals and Drugs [D] » Nucleic Acids, Nucleotides, and Nucleosides [D13] » Nucleotides » Pyrimidine Nucleotides » Pyrimidine Dimers

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.   MeSH

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