In
biochemistry, one of the five main bases found in nucleic acids (eg,
DNA and
RNA).
Guanine is a
pyrimidine derivative and in
[Watson-Crick base pairing]
? forms
hydrogen bonds with cytidine
?.
The nucleoside
? is called
guanosine.
6-hydroxy-2-aminopurine
Guanine is also the name of a white amorphous substance found in the scales of certain fishes, the guano of sea-birds, and the liver and pancreas of mammals.
/Talk