depyrimidination

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English

Etymology

From de- +‎ pyrimidine +‎ -ation.

Noun

depyrimidination (countable and uncountable, plural depyrimidinations)

  1. (organic chemistry, biochemistry) A process in which the chemical bond linking a pyrimidine (cytosine or thymine) to a deoxyribose sugar breaks spontaneously. It occurs at a lower rate compared to depurination with only 500 cytosine and thymine bases lost per cell per day in a typical mammalian cell.