| ULS00105 | UDP from UMP (UMK/CMK route) | None - {{∅}} | True - {{t}} | Unconfirmed presence |  | 
                
                    | UCR00158 | ATP + UMP = ADP + UDP | True - {{t}} | None - {{∅}} | Missing |  | 
                
                    | VariantPath-2-UPA00159 |  | None - {{∅}} | True - {{t}} | Unconfirmed presence |  | 
                
                    | ULS00107 | CTP from UDP | None - {{∅}} | True - {{t}} | Unconfirmed presence |  | 
                
                    | VariantPath-1-UPA00159 |  | None - {{∅}} | True - {{t}} | Unconfirmed presence |  | 
                
                    | UCR00571 | ATP + NH(3) + UTP = ADP + CTP + phosphate | True - {{t}} | None - {{∅}} | Missing |  | 
                
                    | UER00276 | CTP from UDP: step 1/2~1 ATP + 1 UDP => 1 ADP + 1 UTP. | True - {{t}} | True - {{t}} | Confirmed presence |  | 
                
                    | MUER10 | Meta-UER 10~1 ATP + 1 UMP => 1 ADP + 1 UDP. | True - {{t}} | True - {{t}} | Confirmed presence |  | 
                
                    | ULS00106 | UDP from UMP (UMPK route) | None - {{∅}} | True - {{t}} | Unconfirmed presence |  | 
                
                    | UPA00159 | CTP biosynthesis via de novo pathway~De novo biosynthesis of CTP starting from UMP. | None - {{∅}} | True - {{t}} | Unconfirmed presence |  | 
                
                    | UER00277 | CTP from UDP: step 2/2~1 ATP + 1 NH(3) + 1 UTP => 1 ADP + 1 CTP + 1 phosphate. | True - {{t}} | True - {{t}} | Confirmed presence |  | 
                
                    | UCR00156 | ATP + UDP = ADP + UTP | True - {{t}} | True - {{t}} | Confirmed presence |  |