urea cycle
ornithine cycle
exact
urea biosynthesis
exact
urea biosynthetic process
exact
The sequence of reactions by which arginine is synthesized from ornithine, then cleaved to yield urea and regenerate ornithine. The overall reaction equation is NH3 + CO2 + aspartate + 3 ATP + 2 H2O = urea + fumarate + 2 ADP + 2 phosphate + AMP + diphosphate.
GO:0009058
biosynthetic process
is_a
GO:0019627
urea metabolic process
is_a
SPBP26C9.02c SPBC428.05c SPAC3H1.07 SPBC1539.03c SPBC29A3.11c SPBC1773.14 SPAC4G9.10 SPCC777.09c