depyrimidination
The disruption of the bond between the sugar in the backbone and the C or T base, causing the base to be removed and leaving a depyrimidinated sugar.
GO:0006285
base-excision repair, AP site formation
is_a
GO:0006304
DNA modification
is_a
GO:0009223
pyrimidine deoxyribonucleotide catabolic process
is_a