heme b
362,296 routes · scope human · up to 3 steps · built 5 October 2026 · Reactions · API
147 compounds within 3 steps: 6 in 1, 11 in 2, 130 in 3
Three steps
Catalysed by HMOX1, HMOX2, NDUFAB1, FDXR and 7 morecytosol, mitochondrial matrixOne of 9 routes
- farnesyl-PP[m] + H2O[m] + heme[m] = PPi[m] + Fe(II)-heme o[m]
- heme b + (2E,6E)-farnesyl diphosphate + H2O = Fe(II)-heme o + diphosphate
- farnesyl-diphosphate:farnesyl-diphosphate farnesyltransferase
Catalysed by COX10, FDFT1mitochondrial matrix, cytosolOne of 3 routes
- farnesyl-PP[m] + H2O[m] + heme[m] = PPi[m] + Fe(II)-heme o[m]
- Fe(II)-heme o + 2 A + H2O = Fe(II)-heme a + 2 AH2
- (5Z,8Z,11Z,14Z)-eicosatetraenoate + AH2 + 2 O2 = prostaglandin H2 + A + H2O
Catalysed by COX10, COX15, PTGS1, PTGS2mitochondrial matrixOne of 2 routes
- farnesyl-PP[m] + H2O[m] + heme[m] = PPi[m] + Fe(II)-heme o[m]
- Fe(II)-heme o + 2 A + H2O = Fe(II)-heme a + 2 AH2
- (15S)-hydroperoxy-(5Z,8Z,11Z,13E)-eicosatetraenoate + AH2 = (15S)-hydroxy-(5Z,8Z,11Z,13E)-eicosatetraenoate + A + H2O
Catalysed by COX10, COX15, TBXAS1, PTGS2 and 1 moremitochondrial matrix
- Heme Oxygenase 1
- De novo synthesis of 2Fe2S
- D-alanine(out) + L-alanine(in) = D-alanine(in) + L-alanine(out)
Catalysed by HMOX1, HMOX2, NDUFAB1, FDXR and 6 morecytosol, mitochondrial matrix, inner side of the membrane, outer side of the membraneOne of 2 routes
- Heme Oxygenase 1
- De novo synthesis of 2Fe2S
- D-threonine(out) + L-alanine(in) = D-threonine(in) + L-alanine(out)
Catalysed by HMOX1, HMOX2, NDUFAB1, FDXR and 6 morecytosol, mitochondrial matrix, inner side of the membrane, outer side of the membraneOne of 2 routes
- Heme Oxygenase 1
- De novo synthesis of 2Fe2S
- transport of alanine and methionine (cytosol to extracellular)
Catalysed by HMOX1, HMOX2, NDUFAB1, FDXR and 6 morecytosol, mitochondrial matrix, extracellular spaceOne of 11 routes
- Heme Oxygenase 1
- De novo synthesis of 2Fe2S
- transport of alanine and tryptophan (cytosol to extracellular)
Catalysed by HMOX1, HMOX2, NDUFAB1, FDXR and 6 morecytosol, mitochondrial matrix, extracellular spaceOne of 4 routes
- Heme Oxygenase 1
- De novo synthesis of 2Fe2S
- L-threonine(out) + L-alanine(in) = L-threonine(in) + L-alanine(out)
Catalysed by HMOX1, HMOX2, NDUFAB1, FDXR and 6 morecytosol, mitochondrial matrix, inner side of the membrane, outer side of the membraneOne of 4 routes
Catalysed by HMOX1, HMOX2, NDUFAB1, FDXR and 6 morecytosol, mitochondrial matrix
- Heme Oxygenase 1
- De novo synthesis of 2Fe2S
- beta-alanine(out) + L-alanine(in) = beta-alanine(in) + L-alanine(out)
Catalysed by HMOX1, HMOX2, NDUFAB1, FDXR and 6 morecytosol, mitochondrial matrix, inner side of the membrane, outer side of the membraneOne of 2 routes
- Heme Oxygenase 1
- De novo synthesis of 2Fe2S
- transport of alanine and asparagine (cytosol to extracellular)
Catalysed by HMOX1, HMOX2, NDUFAB1, FDXR and 6 morecytosol, mitochondrial matrix, extracellular spaceOne of 6 routes
- Heme Oxygenase 1
- De novo synthesis of 2Fe2S
- transport of alanine and phenylalanine (cytosol to extracellular)
Catalysed by HMOX1, HMOX2, NDUFAB1, FDXR and 6 morecytosol, mitochondrial matrix, extracellular spaceOne of 6 routes
- Heme Oxygenase 1
- De novo synthesis of 2Fe2S
- 3-hydroxy-L-kynurenine + H2O = 3-hydroxyanthranilate + L-alanine + H(+)
Catalysed by HMOX1, HMOX2, NDUFAB1, FDXR and 6 morecytosol, mitochondrial matrix
- Heme Oxygenase 1
- De novo synthesis of 2Fe2S
- N(omega),N(omega)-dimethyl-L-arginine + pyruvate = 5-(3,3-dimethylguanidino)-2-oxopentanoate + L-alanine
Catalysed by HMOX1, HMOX2, NDUFAB1, FDXR and 6 morecytosol, mitochondrial matrix
- Heme Oxygenase 1
- De novo synthesis of 2Fe2S
- trans-4-hydroxy-L-proline(out) + L-alanine(in) + Na(+)(out) = trans-4-hydroxy-L-proline(in) + L-alanine(out) + Na(+)(in)
Catalysed by HMOX1, HMOX2, NDUFAB1, FDXR and 6 morecytosol, mitochondrial matrix, inner side of the membrane, outer side of the membraneOne of 2 routes
- farnesyl-PP[m] + H2O[m] + heme[m] = PPi[m] + Fe(II)-heme o[m]
- heme b + (2E,6E)-farnesyl diphosphate + H2O = Fe(II)-heme o + diphosphate
- Farnesyltranstransferase
Catalysed by COX10, GGPS1mitochondrial matrix, cytosolOne of 2 routes
- Heme Oxygenase 1
- Fe(II):oxygen oxidoreductase
- Fe(3+)(out) + L-ascorbate(in) = monodehydro-L-ascorbate radical(in) + Fe(2+)(out) + H(+)
Catalysed by HMOX1, HMOX2, CP, FTH1 and 8 morecytosol, extracellular space, inner side of the membrane, outer side of the membrane
- Heme Oxygenase 1
- De novo synthesis of 2Fe2S
- L-proline(out) + L-alanine(in) + Na(+)(out) = L-proline(in) + L-alanine(out) + Na(+)(in)
Catalysed by HMOX1, HMOX2, NDUFAB1, FDXR and 6 morecytosol, mitochondrial matrix, inner side of the membrane, outer side of the membraneOne of 2 routes
- farnesyl-PP[m] + H2O[m] + heme[m] = PPi[m] + Fe(II)-heme o[m]
- heme b + (2E,6E)-farnesyl diphosphate + H2O = Fe(II)-heme o + diphosphate
- decaprenyl diphosphate synthase (farnesyl-PP)
Catalysed by COX10, PDSS1, PDSS2mitochondrial matrix, cytosolOne of 2 routes
Catalysed by HMOX1, HMOX2, NDUFAB1, FDXR and 11 morecytosol, mitochondrial matrixOne of 2 routes
- Heme Oxygenase 1
- De novo synthesis of 2Fe2S
- Mo-molybdopterin + L-cysteine + AH2 = thio-Mo-molybdopterin + L-alanine + A + H2O
Catalysed by HMOX1, HMOX2, NDUFAB1, FDXR and 6 morecytosol, mitochondrial matrix
- Heme Oxygenase 1
- De novo synthesis of 2Fe2S
- 2-oxobutanoate + L-alanine = (2S)-2-aminobutanoate + pyruvate
Catalysed by HMOX1, HMOX2, NDUFAB1, FDXR and 6 morecytosol, mitochondrial matrix
- farnesyl-PP[m] + H2O[m] + heme[m] = PPi[m] + Fe(II)-heme o[m]
- heme b + (2E,6E)-farnesyl diphosphate + H2O = Fe(II)-heme o + diphosphate
- (2E,6E)-farnesyl diphosphate + H2O = (2E,6E)-farnesyl phosphate + phosphate + H(+)
Catalysed by COX10, NUDT18, PLPP6, NUDT15mitochondrial matrix