| UER00319 | coproporphyrinogen-III from 5-aminolevulinate: step 2/4~1 H(2)O + 4 porphobilinogen => 4 NH(3) + 1 hydroxymethylbilane. | None - {{∅}} | True - {{t}} | Unconfirmed presence |  | 
                
                    | UPA00251 | protoporphyrin-IX biosynthesis~Biosynthesis of protoporphyrin-IX, a porphyrin derivative precursor of heme and chlorphyll compounds. | None - {{∅}} | None - {{∅},{t}} | Unexplained |  | 
                
                    | UER00318 | coproporphyrinogen-III from 5-aminolevulinate: step 1/4~2 5-aminolevulinate => 2 H(2)O + 1 porphobilinogen. | None - {{∅}} | True - {{t}} | Unconfirmed presence |  | 
                
                    | VariantPath-4-UPA00251 |  | None - {{∅}} | None - {{∅},{t}} | Unexplained |  | 
                
                    | VariantPath-3-UPA00251 |  | None - {{∅}} | None - {{∅},{t}} | Unexplained |  | 
                
                    | UER00316 | 5-aminolevulinate from L-glutamyl-tRNA(Glu): step 1/2~1 H(+) + 1 L-glutamyl-tRNA(Glu) + 1 NADPH => 1 (S)-4-amino-5-oxopentanoic acid + 1 NADP(+) + 1 tRNA(Glu). | None - {{∅}} | True - {{t}} | Unconfirmed presence |  | 
                
                    | ULS00171 | 5-aminolevulinate from glycine | None - {{∅}} | None - {{∅}} | Unexplained |  | 
                
                    | UER00321 | coproporphyrinogen-III from 5-aminolevulinate: step 4/4~1 uroporphyrinogen III => 4 CO(2) + 1 coproporphyrinogen-III. | None - {{∅}} | True - {{t}} | Unconfirmed presence |  | 
                
                    | VariantPath-1-UPA00251 |  | None - {{∅}} | None - {{∅},{t}} | Unexplained |  | 
                
                    | ULS00140 | protoporphyrinogen-IX from coproporphyrinogen-III (AdoMet route) | None - {{∅}} | None - {{∅}} | Unexplained |  | 
                
                    | VariantPath-2-UPA00251 |  | None - {{∅}} | None - {{∅},{t}} | Unexplained |  | 
                
                    | UER00320 | coproporphyrinogen-III from 5-aminolevulinate: step 3/4~1 hydroxymethylbilane => 1 H(2)O + 1 uroporphyrinogen III. | None - {{∅}} | None - {{∅}} | Unexplained |  | 
                
                    | UER00322 | protoporphyrinogen-IX from coproporphyrinogen-III (O2 route): step 1/1~1 O(2) + 1 coproporphyrinogen-III => 2 CO(2) + 2 H(2)O + 1 protoporphyrinogen-IX. | None - {{∅}} | None - {{∅}} | Unexplained |  | 
                
                    | ULS00138 | 5-aminolevulinate from L-glutamyl-tRNA(Glu) | None - {{∅}} | True - {{t}} | Unconfirmed presence |  | 
                
                    | ULS00139 | protoporphyrinogen-IX from coproporphyrinogen-III (O2 route) | None - {{∅}} | None - {{∅}} | Unexplained |  | 
                
                    | UER00324 | protoporphyrin-IX from protoporphyrinogen-IX: step 1/1~3 O(2) + 1 protoporphyrinogen-IX => 3 H(2)O(2) + 1 protoporphyrin-IX. | None - {{∅}} | None - {{∅}} | Unexplained |  | 
                
                    | UER00323 | protoporphyrinogen-IX from coproporphyrinogen-III (AdoMet route): step 1/1~2 S-adenosyl-L-methionine + 1 coproporphyrinogen-III => 2 5'-deoxyadenosine + 2 CO(2) + 2 L-methionine + 1 protoporphyrinogen-IX. | None - {{∅}} | None - {{∅}} | Unexplained |  | 
                
                    | UER00317 | 5-aminolevulinate from L-glutamyl-tRNA(Glu): step 2/2~1 (S)-4-amino-5-oxopentanoic acid => 1 5-aminolevulinate. | None - {{∅}} | True - {{t}} | Unconfirmed presence |  | 
                
                    | ULS00172 | coproporphyrinogen-III from 5-aminolevulinate | None - {{∅}} | None - {{∅},{t}} | Unexplained |  | 
                
                    | ULS00141 | protoporphyrin-IX from protoporphyrinogen-IX | None - {{∅}} | None - {{∅}} | Unexplained |  | 
                
                    | UER00375 | 5-aminolevulinate from glycine: step 1/1~1 glycine + 1 succinyl-CoA => 1 5-aminolevulinate + 1 CO(2) + 1 CoA. | None - {{∅}} | None - {{∅}} | Unexplained |  |