guanine catabolic process
The chemical reactions and pathways resulting in the breakdown of guanine, 2-amino-6-hydroxypurine, a purine that is one of the five main bases found in nucleic acids and a component of a number of phosphorylated guanosine derivatives whose metabolic or regulatory functions are important.
GO:0006145
purine nucleobase catabolic process
is_a
GO:0046098
guanine metabolic process
is_a
guanine breakdown
exact
guanine catabolism
exact
guanine degradation
exact
SPCC1672.03c