| UER00943 | 5-amino-1-(5-phospho-D-ribosyl)imidazole-4-carboxylate from 5-amino-1-(5-phospho-D-ribosyl)imidazole (N5-CAIR route): step 2/2~1 5-carboxyamino-1-(5-phospho-D-ribosyl)imidazole => 1 5-amino-1-(5-phospho-D-ribosyl)imidazole-4-carboxylate. | None - {{∅}} | True - {{t}} | Unconfirmed presence |  | 
                
                    | UER00134 | 5-formamido-1-(5-phospho-D-ribosyl)imidazole-4-carboxamide from 5-amino-1-(5-phospho-D-ribosyl)imidazole-4-carboxamide (formate route): step 1/1~1 5-amino-1-(5-phospho-D-ribosyl)imidazole-4-carboxamide + 1 ATP + 1 formate => 1 5-formamido-1-(5-phospho-D-ribosyl)imidazole-4-carboxamide + 1 ADP + 1 phosphate. | None - {{∅}} | None - {{∅}} | Unexplained |  | 
                
                    | ULS00056 | IMP from 5-formamido-1-(5-phospho-D-ribosyl)imidazole-4-carboxamide | None - {{∅}} | True - {{t}} | Unconfirmed presence |  | 
                
                    | UER00170 | formate from 10-formyl-5,6,7,8-tetrahydrofolate: step 1/1~1 10-formyl-5,6,7,8-tetrahydrofolate + 1 H(2)O => 1 5,6,7,8-tetrahydrofolate + 1 formate. | None - {{∅}} | None - {{∅}} | Unexplained |  | 
                
                    | VariantPath-11-UPA00074 |  | None - {{∅}} | None - {{∅},{t}} | Unexplained |  | 
                
                    | MUER19 | Meta-UER 19~1 5-[(5-phospho-1-deoxyribulos-1-ylamino)methylideneamino]-1-(5-phosphoribosyl)imidazole-4-carboxamide + 1 L-glutamine => 1 5-amino-1-(5-phospho-D-ribosyl)imidazole-4-carboxamide + 1 D-erythro-1-(imidazol-4-yl)glycerol 3-phosphate + 1 L-glutamate. | True - {{∅},{t}} | True - {{t}} | Confirmed presence |  | 
                
                    | ULS00051 | N(2)-formyl-N(1)-(5-phospho-D-ribosyl)glycinamide from N(1)-(5-phospho-D-ribosyl)glycinamide (10-formyl THF route) | None - {{∅}} | True - {{t}} | Unconfirmed presence |  | 
                
                    | VariantPath-10-UPA00074 |  | None - {{∅}} | None - {{∅},{t}} | Unexplained |  | 
                
                    | ULS00050 | N(1)-(5-phospho-D-ribosyl)glycinamide from 5-phospho-alpha-D-ribose 1-diphosphate | None - {{∅}} | True - {{t}} | Unconfirmed presence |  | 
                
                    | ULS00052 | N(2)-formyl-N(1)-(5-phospho-D-ribosyl)glycinamide from N(1)-(5-phospho-D-ribosyl)glycinamide (formate route) | None - {{∅}} | None - {{∅}} | Unexplained |  | 
                
                    | ULS00067 | formate from 10-formyl-5,6,7,8-tetrahydrofolate | None - {{∅}} | None - {{∅}} | Unexplained |  | 
                
                    | UER00132 | 5-amino-1-(5-phospho-D-ribosyl)imidazole-4-carboxamide from 5-amino-1-(5-phospho-D-ribosyl)imidazole-4-carboxylate: step 2/2~1 (2S)-2-[5-amino-1-(5-phospho-beta-D-ribosyl)imidazole-4-carboxamido]succinic acid => 1 5-amino-1-(5-phospho-D-ribosyl)imidazole-4-carboxamide + 1 fumarate. | None - {{∅}} | None - {{∅}} | Unexplained |  | 
                
                    | UER00942 | 5-amino-1-(5-phospho-D-ribosyl)imidazole-4-carboxylate from 5-amino-1-(5-phospho-D-ribosyl)imidazole (N5-CAIR route): step 1/2~1 5-amino-1-(5-phospho-D-ribosyl)imidazole + 1 ATP + 1 bicarbonate => 1 5-carboxyamino-1-(5-phospho-D-ribosyl)imidazole + 1 ADP + 1 phosphate. | None - {{∅}} | True - {{t}} | Unconfirmed presence |  | 
                
                    | VariantPath-8-UPA00074 |  | None - {{∅}} | None - {{∅},{t}} | Unexplained |  | 
                
                    | ULS00472 | 5-amino-1-(5-phospho-D-ribosyl)imidazole-4-carboxylate from 5-amino-1-(5-phospho-D-ribosyl)imidazole (N5-CAIR route) | None - {{∅}} | True - {{t}} | Unconfirmed presence |  | 
                
                    | VariantPath-9-UPA00074 |  | None - {{∅}} | None - {{∅},{t}} | Unexplained |  | 
                
                    | UER00127 | N(2)-formyl-N(1)-(5-phospho-D-ribosyl)glycinamide from N(1)-(5-phospho-D-ribosyl)glycinamide (formate route): step 1/1~1 ATP + 1 N(1)-(5-phospho-D-ribosyl)glycinamide + 1 formate => 1 ADP + 1 N(2)-formyl-N(1)-(5-phospho-D-ribosyl)glycinamide + 1 phosphate. | None - {{∅}} | None - {{∅}} | Unexplained |  | 
                
                    | ULS00055 | 5-formamido-1-(5-phospho-D-ribosyl)imidazole-4-carboxamide from 5-amino-1-(5-phospho-D-ribosyl)imidazole-4-carboxamide (formate route) | None - {{∅}} | None - {{∅}} | Unexplained |  | 
                
                    | UER00133 | 5-formamido-1-(5-phospho-D-ribosyl)imidazole-4-carboxamide from 5-amino-1-(5-phospho-D-ribosyl)imidazole-4-carboxamide (10-formyl THF route): step 1/1~1 10-formyl-5,6,7,8-tetrahydrofolate + 1 5-amino-1-(5-phospho-D-ribosyl)imidazole-4-carboxamide => 1 5,6,7,8-tetrahydrofolate + 1 5-formamido-1-(5-phospho-D-ribosyl)imidazole-4-carboxamide. | None - {{∅}} | True - {{t}} | Unconfirmed presence |  | 
                
                    | UER00130 | 5-amino-1-(5-phospho-D-ribosyl)imidazole-4-carboxylate from 5-amino-1-(5-phospho-D-ribosyl)imidazole (carboxylase route): step 1/1~1 5-amino-1-(5-phospho-D-ribosyl)imidazole + 1 CO(2) => 1 5-amino-1-(5-phospho-D-ribosyl)imidazole-4-carboxylate. | None - {{∅}} | None - {{∅}} | Unexplained |  | 
                
                    | ULS00473 | 5-amino-1-(5-phospho-D-ribosyl)imidazole-4-carboxamide from 5-amino-1-(5-phospho-D-ribosyl)imidazole-4-carboxylate | None - {{∅}} | None - {{∅},{t}} | Unexplained |  | 
                
                    | ULS00448 | 5-amino-1-(5-phospho-D-ribosyl)imidazole-4-carboxamide from 5-[(5-phospho-1-deoxyribulos-1-ylamino)methylideneamino]-1-(5-phosphoribosyl)imidazole-4-carboxamide | None - {{∅}} | True - {{t}} | Unconfirmed presence |  | 
                
                    | UER00131 | 5-amino-1-(5-phospho-D-ribosyl)imidazole-4-carboxamide from 5-amino-1-(5-phospho-D-ribosyl)imidazole-4-carboxylate: step 1/2~1 5-amino-1-(5-phospho-D-ribosyl)imidazole-4-carboxylate + 1 ATP + 1 L-aspartate => 1 (2S)-2-[5-amino-1-(5-phospho-beta-D-ribosyl)imidazole-4-carboxamido]succinic acid + 1 ADP + 1 phosphate. | None - {{∅}} | True - {{t}} | Unconfirmed presence |  | 
                
                    | VariantPath-7-UPA00074 |  | None - {{∅}} | None - {{∅},{t}} | Unexplained |  | 
                
                    | VariantPath-6-UPA00074 |  | None - {{∅}} | True - {{t}} | Unconfirmed presence |  | 
                
                    | VariantPath-5-UPA00074 |  | None - {{∅}} | None - {{∅}} | Unexplained |  | 
                
                    | UER00124 | N(1)-(5-phospho-D-ribosyl)glycinamide from 5-phospho-alpha-D-ribose 1-diphosphate: step 1/2~1 5-phospho-alpha-D-ribose 1-diphosphate + 1 H(2)O + 1 L-glutamine => 1 5-phospho-beta-D-ribosylamine + 1 L-glutamate + 1 diphosphate. | None - {{∅}} | True - {{t}} | Unconfirmed presence |  | 
                
                    | VariantPath-4-UPA00074 |  | None - {{∅}} | None - {{∅},{t}} | Unexplained |  | 
                
                    | VariantPath-3-UPA00074 |  | None - {{∅}} | None - {{∅},{t}} | Unexplained |  | 
                
                    | ULS00471 | 5-amino-1-(5-phospho-D-ribosyl)imidazole-4-carboxylate from 5-amino-1-(5-phospho-D-ribosyl)imidazole (carboxylase route) | None - {{∅}} | None - {{∅}} | Unexplained |  | 
                
                    | ULS00054 | 5-formamido-1-(5-phospho-D-ribosyl)imidazole-4-carboxamide from 5-amino-1-(5-phospho-D-ribosyl)imidazole-4-carboxamide (10-formyl THF route) | None - {{∅}} | True - {{t}} | Unconfirmed presence |  | 
                
                    | UER00129 | 5-amino-1-(5-phospho-D-ribosyl)imidazole from N(2)-formyl-N(1)-(5-phospho-D-ribosyl)glycinamide: step 2/2~1 2-formamido-N(1)-(5-phospho-D-ribosyl)acetamidine + 1 ATP => 1 5-amino-1-(5-phospho-D-ribosyl)imidazole + 1 ADP + 1 phosphate. | None - {{∅}} | True - {{t}} | Unconfirmed presence |  | 
                
                    | UER00135 | IMP from 5-formamido-1-(5-phospho-D-ribosyl)imidazole-4-carboxamide: step 1/1~1 5-formamido-1-(5-phospho-D-ribosyl)imidazole-4-carboxamide => 1 H(2)O + 1 IMP. | None - {{∅}} | True - {{t}} | Unconfirmed presence |  | 
                
                    | VariantPath-1-UPA00074 |  | None - {{∅}} | None - {{∅},{t}} | Unexplained |  | 
                
                    | VariantPath-2-UPA00074 |  | None - {{∅}} | None - {{∅},{t}} | Unexplained |  | 
                
                    | UER00128 | 5-amino-1-(5-phospho-D-ribosyl)imidazole from N(2)-formyl-N(1)-(5-phospho-D-ribosyl)glycinamide: step 1/2~1 ATP + 1 H(2)O + 1 L-glutamine + 1 N(2)-formyl-N(1)-(5-phospho-D-ribosyl)glycinamide => 1 2-formamido-N(1)-(5-phospho-D-ribosyl)acetamidine + 1 ADP + 1 L-glutamate + 1 phosphate. | None - {{∅}} | True - {{t}} | Unconfirmed presence |  | 
                
                    | UPA00074 | IMP biosynthesis via de novo pathway~The formation from simpler components of purine nucleotide IMP (inosine 5'phosphate). | None - {{∅}} | True - {{t}} | Unconfirmed presence |  | 
                
                    | ULS00470 | 5-amino-1-(5-phospho-D-ribosyl)imidazole from N(2)-formyl-N(1)-(5-phospho-D-ribosyl)glycinamide | None - {{∅}} | True - {{t}} | Unconfirmed presence |  | 
                
                    | UER00126 | N(2)-formyl-N(1)-(5-phospho-D-ribosyl)glycinamide from N(1)-(5-phospho-D-ribosyl)glycinamide (10-formyl THF route): step 1/1~1 10-formyl-5,6,7,8-tetrahydrofolate + 1 N(1)-(5-phospho-D-ribosyl)glycinamide => 1 5,6,7,8-tetrahydrofolate + 1 N(2)-formyl-N(1)-(5-phospho-D-ribosyl)glycinamide. | None - {{∅}} | True - {{t}} | Unconfirmed presence |  | 
                
                    | UER00125 | N(1)-(5-phospho-D-ribosyl)glycinamide from 5-phospho-alpha-D-ribose 1-diphosphate: step 2/2~1 5-phospho-beta-D-ribosylamine + 1 ATP + 1 glycine => 1 ADP + 1 N(1)-(5-phospho-D-ribosyl)glycinamide + 1 phosphate. | None - {{∅}} | True - {{t}} | Unconfirmed presence |  |