| ULS00480 | orotate from (S)-dihydroorotate (NAD(+) route) | None - {{∅}} | None - {{∅}} | Unexplained |  | 
                
                    | ULS00481 | orotate from (S)-dihydroorotate (quinone route) | None - {{∅}} | True - {{t}} | Unconfirmed presence |  | 
                
                    | UER00118 | orotate from (S)-dihydroorotate (O2 route): step 1/1~1 (S)-dihydroorotate + 1 fumarate => 1 orotate + 1 succinate. | None - {{∅}} | None - {{∅}} | Unexplained |  | 
                
                    | ULS00482 | UMP from orotate | None - {{∅}} | True - {{t}} | Unconfirmed presence |  | 
                
                    | UER00116 | (S)-dihydroorotate from bicarbonate: step 2/3~1 L-aspartate + 1 carbamoyl phosphate => 1 N-carbamoyl-L-aspartate + 1 phosphate. | None - {{∅}} | True - {{t}} | Unconfirmed presence |  | 
                
                    | ULS00478 | (S)-dihydroorotate from bicarbonate | None - {{∅}} | True - {{t}} | Unconfirmed presence |  | 
                
                    | UER00945 | orotate from (S)-dihydroorotate (NAD(+) route): step 1/1~1 (S)-dihydroorotate + 1 NAD(+) => 1 H(+) + 1 NADH + 1 orotate. | None - {{∅}} | None - {{∅}} | Unexplained |  | 
                
                    | UER00946 | orotate from (S)-dihydroorotate (quinone route): step 1/1~1 (S)-dihydroorotate + 1 Quinone => 1 Hydroquinone + 1 orotate. | None - {{∅}} | True - {{t}} | Unconfirmed presence |  | 
                
                    | UER00119 | UMP from orotate: step 1/2~1 5-phospho-alpha-D-ribose 1-diphosphate + 1 orotate => 1 diphosphate + 1 orotidine 5'-phosphate. | None - {{∅}} | True - {{t}} | Unconfirmed presence |  | 
                
                    | UER00120 | UMP from orotate: step 2/2~1 orotidine 5'-phosphate => 1 CO(2) + 1 UMP. | None - {{∅}} | True - {{t}} | Unconfirmed presence |  | 
                
                    | ULS00479 | orotate from (S)-dihydroorotate (O2 route) | None - {{∅}} | None - {{∅}} | Unexplained |  | 
                
                    | UER00117 | (S)-dihydroorotate from bicarbonate: step 3/3~1 N-carbamoyl-L-aspartate => 1 (S)-dihydroorotate + 1 H(2)O. | None - {{∅}} | True - {{t}} | Unconfirmed presence |  | 
                
                    | UPA00070 | UMP biosynthesis via de novo pathway~De novo biosynthesis of UMP (uridine monophosphate). | None - {{∅}} | True - {{t}} | Unconfirmed presence |  | 
                
                    | VariantPath-2-UPA00070 |  | None - {{∅}} | True - {{t}} | Unconfirmed presence |  | 
                
                    | VariantPath-1-UPA00070 |  | None - {{∅}} | None - {{∅},{t}} | Unexplained |  | 
                
                    | VariantPath-3-UPA00070 |  | None - {{∅}} | None - {{∅},{t}} | Unexplained |  | 
                
                    | MUER5 | Meta-UER 5~2 ATP + 1 H(2)O + 1 L-glutamine + 1 bicarbonate => 2 ADP + 1 L-glutamate + 1 carbamoyl phosphate + 1 phosphate. | True - {{∅},{t}} | True - {{t}} | Confirmed presence |  |