| UER00632 | uridine from cytidine: step 1/1~1 H(2)O + 1 cytidine => 1 NH(3) + 1 uridine. | None - {{∅}} | None - {{∅}} | Unexplained |  | 
                
                    | ULS00305 | UMP from uridine | None - {{∅}} | None - {{∅}} | Unexplained |  | 
                
                    | UER00635 | uracil from cytosine: step 1/1~1 H(2)O + 1 cytosine => 1 NH(3) + 1 uracil. | None - {{∅}} | None - {{∅}} | Unexplained |  | 
                
                    | ULS00304 | UMP from uracil | None - {{∅}} | True - {{t}} | Unconfirmed presence |  | 
                
                    | VariantPath-1-UPA00574 |  | None - {{∅}} | None - {{∅},{t}} | Unexplained |  | 
                
                    | ULS00302 | uracil from uridine (phosphorylase route) | None - {{∅}} | None - {{∅}} | Unexplained |  | 
                
                    | VariantPath-2-UPA00574 |  | None - {{∅}} | None - {{∅},{t}} | Unexplained |  | 
                
                    | VariantPath-4-UPA00574 |  | None - {{∅}} | None - {{∅},{t}} | Unexplained |  | 
                
                    | ULS00346 | uracil from cytosine | None - {{∅}} | None - {{∅}} | Unexplained |  | 
                
                    | VariantPath-3-UPA00574 |  | None - {{∅}} | None - {{∅}} | Unexplained |  | 
                
                    | UER00637 | UMP from uridine: step 1/1~1 ATP + 1 uridine => 1 ADP + 1 UMP. | None - {{∅}} | None - {{∅}} | Unexplained |  | 
                
                    | ULS00303 | uracil from uridine (hydrolase route) | None - {{∅}} | None - {{∅}} | Unexplained |  | 
                
                    | UER00634 | uracil from uridine (hydrolase route): step 1/1~1 H(2)O + 1 uridine => 1 D-ribose + 1 uracil. | None - {{∅}} | None - {{∅}} | Unexplained |  | 
                
                    | UPA00574 | UMP biosynthesis via salvage pathway~Biosynthesis of UMP via salvage of pyrimidine derivatives (cytidine, uridine, cytosine). | None - {{∅}} | None - {{∅},{t}} | Unexplained |  | 
                
                    | UER00633 | uracil from uridine (phosphorylase route): step 1/1~1 phosphate + 1 uridine => 1 alpha-D-ribose 1-phosphate + 1 uracil. | None - {{∅}} | None - {{∅}} | Unexplained |  | 
                
                    | UER00636 | UMP from uracil: step 1/1~1 5-phospho-alpha-D-ribose 1-diphosphate + 1 uracil => 1 UMP + 1 diphosphate. | None - {{∅}} | True - {{t}} | Unconfirmed presence |  | 
                
                    | ULS00301 | uridine from cytidine | None - {{∅}} | None - {{∅}} | Unexplained |  |