Noun
English Wikipedia has an article on:depurinationWikipedia
depurination (plural depurinations)
(biochemistry, genetics) The removal, by hydrolysis, of a purine base from DNA
Spontaneous lesions are due to natural damage to DNA, where the most common are depurination and deamination. citation citation Dystrophin protein is found in muscle fibre membrane; its helical nature allows it to act like a spring or shock absorber. Source: Internet
Melting occurs at high temperature, low salt and high pH (low pH also melts DNA, but since DNA is unstable due to acid depurination, low pH is rarely used). Source: Internet