Szeh_02125 K01698 hemB, ALAD R000362 5-Aminolevulinate <=> Porphobilinogen + 2 H2O
5-aminolevulinate hydro-lyase (adding 5-aminolevulinate and cyclizing; porphobilinogen-forming) Szeh_02127 K02302 cysG R02864Siroheme + 2 H+ <=> Fe2+ + Sirohydrochlorin
S-adenosyl-L-methionine:uroporphyrin-III C-methyltransferase Szeh_02127 K02302 cysG R03165Hydroxymethylbilane <=> Uroporphyrinogen III + H2O
hydroxymethylbilane hydro-lyase(cyclizing) Szeh_02127 K02302 cysG R031942 S-Adenosyl-L-methionine + Uroporphyrinogen III <=> 2 S-Adenosyl-L-homocysteine + Precorrin 2
S-adenosyl-L-methionine:uroporphyrinogen-III C-methyltransferase Szeh_02127 K02302 cysG R03947Precorrin 2 + NAD+ <=> Sirohydrochlorin + NADH + H+
S-adenosyl-L-methionine:uroporphyrin-III C-methyltransferase Szeh_02128 K01749 hemC, HMBS R000844 Porphobilinogen + H2O <=> Hydroxymethylbilane + 4 Ammonia
porphobilinogen:(4-[2-carboxyethyl]-3-[carboxymethyl]pyrrol-2-yl)methyltransferase (hydrolysing); porphobilinogen ammonia-lyase (polymerizing) Szeh_02129 K02492 hemA R04109L-Glutamyl-tRNA(Glu) + NADPH + H+ <=> (S)-4-Amino-5-oxopentanoate + tRNA(Glu) + NADP+
L-glutamate-semialdehyde: NADP+ oxidoreductase (L-glutamyl-tRNA(Glu)-forming) Szeh_02130 K02304 MET8 R02864Siroheme + 2 H+ <=> Fe2+ + Sirohydrochlorin
S-adenosyl-L-methionine:uroporphyrin-III C-methyltransferase Szeh_02130 K02304 MET8 R03947Precorrin 2 + NAD+ <=> Sirohydrochlorin + NADH + H+
S-adenosyl-L-methionine:uroporphyrin-III C-methyltransferase