| UPA00158 |
urea cycle~The urea cycle, also known as the ornithine cycle, is a cycle of biochemical reactions occurring in many animal organisms that produces urea from ammonia (NH4+). This cycle was the first metabolic cycle discovered (Krebs and Hensenleit, 1932) [Wikipedia]. Arginine from the diet or from protein breakdown is cleaved by the cytosolic enzyme arginase, generating urea and ornithine. In subsequent reactions of the urea cycle a new urea residue is built on the ornithine, regenerating arginine and perpetuating the cycle. |
None - {{∅}} |
None - {{∅},{t}} |
Unexplained |
|
| MUER3 |
Meta-UER 3~1 (N(omega)-L-arginino)succinate => 1 L-arginine + 1 fumarate. |
True - {{∅},{t}} |
True - {{t}} |
Confirmed presence |
|
| MUER13 |
Meta-UER 13~1 L-ornithine + 1 carbamoyl phosphate => 1 L-citrulline + 1 phosphate. |
True - {{∅},{t}} |
True - {{t}} |
Confirmed presence |
|
| ULS00178 |
L-citrulline from L-ornithine and carbamoyl phosphate |
None - {{∅}} |
True - {{t}} |
Unconfirmed presence |
|
| UER00270 |
L-ornithine and urea from L-arginine: step 1/1~1 H(2)O + 1 L-arginine => 1 L-ornithine + 1 urea. |
None - {{∅}} |
None - {{∅}} |
Unexplained |
|
| ULS00177 |
L-ornithine and urea from L-arginine |
None - {{∅}} |
None - {{∅}} |
Unexplained |
|
| MUER6 |
Meta-UER 6~1 ATP + 1 L-aspartate + 1 L-citrulline => 1 (N(omega)-L-arginino)succinate + 1 AMP + 1 diphosphate. |
True - {{∅},{t}} |
True - {{t}} |
Confirmed presence |
|
| ULS00180 |
L-arginine and fumarate from (N(omega)-L-arginino)succinate |
None - {{∅}} |
True - {{t}} |
Unconfirmed presence |
|
| ULS00179 |
(N(omega)-L-arginino)succinate from L-aspartate and L-citrulline |
None - {{∅}} |
True - {{t}} |
Unconfirmed presence |
|