Spalm_02292 K10026 queE R100026-Carboxy-5,6,7,8-tetrahydropterin <=> 7-Carboxy-7-carbaguanine + Ammonia
6-carboxy-5,6,7,8-tetrahydropterin ammonia-lyase Spalm_02293 K01737 queD, ptpS, PTS R042867,8-Dihydroneopterin 3'-triphosphate <=> 6-Pyruvoyltetrahydropterin + Triphosphate
2-amino-4-hydroxy-6-(erythro-1,2,3-trihydroxypropyl) dihydropteridine triphosphate lyase Spalm_02293 K01737 queD, ptpS, PTS R099597,8-Dihydroneopterin 3'-triphosphate + H2O <=> 6-Carboxy-5,6,7,8-tetrahydropterin + Acetaldehyde + Triphosphate
7,8-dihydroneopterin 3'-triphosphate acetaldehyde-lyase (6-carboxy-5,6,7,8-tetrahydropterin and triphosphate-forming) Spalm_02294 K06920 queC R099782 ATP + Ammonia + 7-Carboxy-7-carbaguanine <=> 2 AMP + 2 Diphosphate + 7-Cyano-7-carbaguanine
7-carboxy-7-carbaguanine:ammonia ligase (AMP-forming)