AH2
362,296 routes · scope human · up to 3 steps · built 5 October 2026 · Reactions · API
574 compounds within 3 steps: 59 in 1, 98 in 2, 417 in 3
Three steps
- L-selenocysteine + AH2 = hydrogenselenide + L-alanine + A + H(+)
- amino-acid N-acetyltransferase (N-acetyl-L-alanine)
- Carnitine O-Palmitoyltransferase
Catalysed by SCLY, CPT1A, CPT1C, CPT1Bmitochondrial matrix, cytosolOne of 4 routes
- L-selenocysteine + AH2 = hydrogenselenide + L-alanine + A + H(+)
- amino-acid N-acetyltransferase (N-acetyl-L-alanine)
- long-chain-fatty-acid-CoA ligase (palmitolate)
Catalysed by SCLY, SLC27A2, ACSL4, ACSL3 and 5 moremitochondrial matrix, cytosolOne of 11 routes
- L-selenocysteine + AH2 = hydrogenselenide + L-alanine + A + H(+)
- amino-acid N-acetyltransferase (N-acetyl-L-alanine)
- (3-Hydroxyisovalerylcoa->3-Hydroxyisovalerylcarnitine)
Catalysed by SCLY, CPT1A, CPT1Bmitochondrial matrix, cytosol
- L-selenocysteine + AH2 = hydrogenselenide + L-alanine + A + H(+)
- Transport of Hydroxy-Proline
- trans-4-Hydroxy-L-proline:NAD+ 5-oxidoreductase
Catalysed by SCLY, SLC1A4, PYCR1, PYCR3 and 1 moreextracellular space, cytosolOne of 5 routes
- 3,3'-diiodo-L-thyronine sulfate + iodide + A + H(+) = 3,3',5-triiodo-L-thyronine sulfate + AH2
- Steryl-Sulfatase
- Transport of 5-Hydroxyindoleacetate
Catalysed by DIO1, STS, SLC4A1Golgi apparatus, extracellular space, cytosolOne of 2 routes
- A + NADH + H(+) = AH2 + NAD(+)
- all-trans-13,14-dihydroretinol + A = all-trans-retinol + AH2
- Lecithin Retinol Acyltransferase
Catalysed by AIFM1, PYROXD1, RETSAT, LRATcytosolOne of 4 routes
- L-selenocysteine + AH2 = hydrogenselenide + L-alanine + A + H(+)
- amino-acid N-acetyltransferase (N-acetyl-L-alanine)
- long-chain-fatty-acid-CoA ligase (adrenic acid)
Catalysed by SCLY, SLC27A2, ACSL4, ACSL3 and 5 moremitochondrial matrix, cytosolOne of 7 routes
- L-selenocysteine + AH2 = hydrogenselenide + L-alanine + A + H(+)
- amino-acid N-acetyltransferase (N-acetyl-L-alanine)
- long-chain-fatty-acid-CoA ligase (cerotic acid)
Catalysed by SCLY, SLC27A2, ACSL4, ACSL3 and 5 moremitochondrial matrix, cytosolOne of 5 routes
- L-selenocysteine + AH2 = hydrogenselenide + L-alanine + A + H(+)
- amino-acid N-acetyltransferase (N-acetyl-L-alanine)
- long-chain-fatty-acid-CoA ligase (lignocerate)
Catalysed by SCLY, SLC27A2, ACSL4, ACSL3 and 5 moremitochondrial matrix, cytosolOne of 10 routes
- L-selenocysteine + AH2 = hydrogenselenide + L-alanine + A + H(+)
- amino-acid N-acetyltransferase (N-acetyl-L-alanine)
- long-chain-fatty-acid-CoA ligase (behenic acid)
Catalysed by SCLY, SLC27A2, ACSL4, ACSL3 and 5 moremitochondrial matrix, cytosolOne of 9 routes
- L-selenocysteine + AH2 = hydrogenselenide + L-alanine + A + H(+)
- transport of alanine and arginine (cytosol to extracellular)
- L-arginine,NADPH:oxygen oxidoreductase (N-(omega)-hydroxyarginine-forming)
Catalysed by SCLY, SLC7A6, NOS3, NOS1 and 1 moreextracellular space, cytosol
- L-selenocysteine + AH2 = hydrogenselenide + L-alanine + A + H(+)
- amino-acid N-acetyltransferase (N-acetyl-L-alanine)
- Carnitine O-Palmitoyltransferase
Catalysed by SCLY, CPT1A, CPT1C, CPT1Bmitochondrial matrix, cytosolOne of 3 routes
- L-selenocysteine + AH2 = hydrogenselenide + L-alanine + A + H(+)
- amino-acid N-acetyltransferase (N-acetyl-L-alanine)
- long-chain-fatty-acid-CoA ligase (stearidonic acid)
Catalysed by SCLY, SLC27A2, ACSL4, ACSL3 and 5 moremitochondrial matrix, cytosolOne of 8 routes
- 3,3',5-triiodo-L-thyronine + iodide + A + H(+) = L-thyroxine + AH2
- transport of GSH and triiodothyronine (cytosol to extracellular)
- transport of GSH and noradrenaline (cytosol to extracellular)
Catalysed by DIO1, DIO2, SLCO1A2, SLCO1B3extracellular space, cytosolOne of 4 routes
- L-selenocysteine + AH2 = hydrogenselenide + L-alanine + A + H(+)
- L-threonine(out) + L-alanine(in) = L-threonine(in) + L-alanine(out)
- L-threonine + hydrogencarbonate + ATP = L-threonylcarbamoyladenylate + diphosphate + H2O
Catalysed by SCLY, SLC7A10, YRDCinner side of the membrane, outer side of the membrane
- L-selenocysteine + AH2 = hydrogenselenide + L-alanine + A + H(+)
- amino-acid N-acetyltransferase (N-acetyl-L-alanine)
- long-chain-fatty-acid-CoA ligase (EPA)
Catalysed by SCLY, SLC27A2, ACSL4, ACSL3 and 5 moremitochondrial matrix, cytosolOne of 9 routes
- L-selenocysteine + AH2 = hydrogenselenide + L-alanine + A + H(+)
- amino-acid N-acetyltransferase (N-acetyl-L-alanine)
- long-chain-fatty-acid-CoA ligase (DPA)
Catalysed by SCLY, SLC27A2, ACSL4, ACSL3 and 5 moremitochondrial matrix, cytosolOne of 6 routes
- L-selenocysteine + AH2 = hydrogenselenide + L-alanine + A + H(+)
- amino-acid N-acetyltransferase (N-acetyl-L-alanine)
- long-chain-fatty-acid-CoA ligase (linolenate)
Catalysed by SCLY, SLC27A2, ACSL4, ACSL3 and 5 moremitochondrial matrix, cytosolOne of 7 routes
- L-selenocysteine + AH2 = hydrogenselenide + L-alanine + A + H(+)
- amino-acid N-acetyltransferase (N-acetyl-L-alanine)
- long-chain-fatty-acid-CoA ligase (cis-erucic acid)
Catalysed by SCLY, SLC27A2, ACSL4, ACSL3 and 5 moremitochondrial matrix, cytosolOne of 6 routes
- L-selenocysteine + AH2 = hydrogenselenide + L-alanine + A + H(+)
- amino-acid N-acetyltransferase (N-acetyl-L-alanine)
- long-chain-fatty-acid-CoA ligase (cis-gondoic acid)
Catalysed by SCLY, SLC27A2, ACSL4, ACSL3 and 5 moremitochondrial matrix, cytosolOne of 7 routes
- L-selenocysteine + AH2 = hydrogenselenide + L-alanine + A + H(+)
- amino-acid N-acetyltransferase (N-acetyl-L-alanine)
- long-chain-fatty-acid-CoA ligase ((9Z,12Z,15Z,18Z,21Z)-TPA)
Catalysed by SCLY, SLC27A2, ACSL4, ACSL3 and 5 moremitochondrial matrix, cytosolOne of 5 routes
- L-selenocysteine + AH2 = hydrogenselenide + L-alanine + A + H(+)
- amino-acid N-acetyltransferase (N-acetyl-L-alanine)
- long-chain-fatty-acid-CoA ligase ((6Z,9Z,12Z,15Z,18Z,21Z)-THA)
Catalysed by SCLY, SLC27A2, ACSL4, ACSL3 and 5 moremitochondrial matrix, cytosolOne of 4 routes
- L-selenocysteine + AH2 = hydrogenselenide + L-alanine + A + H(+)
- amino-acid N-acetyltransferase (N-acetyl-L-alanine)
- long-chain-fatty-acid-CoA ligase (nervonic acid)
Catalysed by SCLY, SLC27A2, ACSL4, ACSL3 and 5 moremitochondrial matrix, cytosolOne of 6 routes
- L-selenocysteine + AH2 = hydrogenselenide + L-alanine + A + H(+)
- amino-acid N-acetyltransferase (N-acetyl-L-alanine)
- long-chain-fatty-acid-CoA ligase (ximenic acid)
Catalysed by SCLY, SLC27A2, ACSL4, ACSL3 and 5 moremitochondrial matrix, cytosolOne of 4 routes
- L-selenocysteine + AH2 = hydrogenselenide + L-alanine + A + H(+)
- amino-acid N-acetyltransferase (N-acetyl-L-alanine)
- long-chain-fatty-acid-CoA ligase (dihomo-gamma-linolenate)
Catalysed by SCLY, SLC27A2, ACSL4, ACSL3 and 5 moremitochondrial matrix, cytosolOne of 5 routes
- L-selenocysteine + AH2 = hydrogenselenide + L-alanine + A + H(+)
- amino-acid N-acetyltransferase (N-acetyl-L-alanine)
- long-chain-fatty-acid-CoA ligase (omega-3-arachidonic acid)
Catalysed by SCLY, SLC27A2, ACSL4, ACSL3 and 5 moremitochondrial matrix, cytosolOne of 5 routes
- L-selenocysteine + AH2 = hydrogenselenide + L-alanine + A + H(+)
- amino-acid N-acetyltransferase (N-acetyl-L-alanine)
- long-chain-fatty-acid-CoA ligase (DHA)
Catalysed by SCLY, SLC27A2, ACSL4, ACSL3 and 5 moremitochondrial matrix, cytosolOne of 7 routes
- L-selenocysteine + AH2 = hydrogenselenide + L-alanine + A + H(+)
- amino-acid N-acetyltransferase (N-acetyl-L-alanine)
- long-chain-fatty-acid-CoA ligase (margaric acid)
Catalysed by SCLY, SLC27A2, ACSL4, ACSL3 and 5 moremitochondrial matrix, cytosolOne of 6 routes
- L-selenocysteine + AH2 = hydrogenselenide + L-alanine + A + H(+)
- amino-acid N-acetyltransferase (N-acetyl-L-alanine)
- long-chain-fatty-acid-CoA ligase (9-heptadecylenic acid)
Catalysed by SCLY, SLC27A2, ACSL4, ACSL3 and 5 moremitochondrial matrix, cytosolOne of 5 routes
- L-selenocysteine + AH2 = hydrogenselenide + L-alanine + A + H(+)
- amino-acid N-acetyltransferase (N-acetyl-L-alanine)
- long-chain-fatty-acid-CoA ligase ((11Z,14Z,17Z)-eicosatrienoic acid)
Catalysed by SCLY, SLC27A2, ACSL4, ACSL3 and 5 moremitochondrial matrix, cytosolOne of 5 routes
- L-selenocysteine + AH2 = hydrogenselenide + L-alanine + A + H(+)
- amino-acid N-acetyltransferase (N-acetyl-L-alanine)
- long-chain-fatty-acid-CoA ligase (nonadecylic acid)
Catalysed by SCLY, SLC27A2, ACSL4, ACSL3 and 5 moremitochondrial matrix, cytosolOne of 6 routes
- L-selenocysteine + AH2 = hydrogenselenide + L-alanine + A + H(+)
- amino-acid N-acetyltransferase (N-acetyl-L-alanine)
- Transport of 11-Octadecenoyl Carnitine into the Mitochondrial Matrix
Catalysed by SCLY, CPT1A, CPT1C, CPT1Bmitochondrial matrix, cytosolOne of 3 routes
- L-selenocysteine + AH2 = hydrogenselenide + L-alanine + A + H(+)
- amino-acid N-acetyltransferase (N-acetyl-L-alanine)
- Activation of dodecanedioic acid
Catalysed by SCLYmitochondrial matrix, cytosolOne of 4 routes
- L-selenocysteine + AH2 = hydrogenselenide + L-alanine + A + H(+)
- amino-acid N-acetyltransferase (N-acetyl-L-alanine)
- Production of Sebacoylcarnitine
Catalysed by SCLY, CPT1A, CPT1C, CPT1Bmitochondrial matrix, cytosolOne of 4 routes
- L-selenocysteine + AH2 = hydrogenselenide + L-alanine + A + H(+)
- amino-acid N-acetyltransferase (N-acetyl-L-alanine)
- Production of Suberylcarnitine
Catalysed by SCLY, CPT1A, CPT1C, CPT1Bmitochondrial matrix, cytosolOne of 4 routes
- L-selenocysteine + AH2 = hydrogenselenide + L-alanine + A + H(+)
- amino-acid N-acetyltransferase (N-acetyl-L-alanine)
- Activation of adipic acid for Formation of Adipoyl Carnitine
Catalysed by SCLYmitochondrial matrix, cytosolOne of 4 routes
- L-selenocysteine + AH2 = hydrogenselenide + L-alanine + A + H(+)
- amino-acid N-acetyltransferase (N-acetyl-L-alanine)
- long-chain-fatty-acid-CoA ligase ((4Z,7Z,10Z,13Z,16Z)-DPA)
Catalysed by SCLY, SLC27A2, ACSL4, ACSL3 and 5 moremitochondrial matrix, cytosolOne of 7 routes
- L-selenocysteine + AH2 = hydrogenselenide + L-alanine + A + H(+)
- amino-acid N-acetyltransferase (N-acetyl-L-alanine)
- long-chain-fatty-acid-CoA ligase ((11Z,14Z)-eicosadienoic acid)
Catalysed by SCLY, SLC27A2, ACSL4, ACSL3 and 5 moremitochondrial matrix, cytosolOne of 5 routes
- L-selenocysteine + AH2 = hydrogenselenide + L-alanine + A + H(+)
- amino-acid N-acetyltransferase (N-acetyl-L-alanine)
- Production of 3-Hydroxyoctadecenoylcarnitinec
Catalysed by SCLY, CPT1A, CPT1C, CPT1Bmitochondrial matrix, cytosol
- L-selenocysteine + AH2 = hydrogenselenide + L-alanine + A + H(+)
- amino-acid N-acetyltransferase (N-acetyl-L-alanine)
- long-chain-fatty-acid-CoA ligase ((13Z)-eicosenoic acid)
Catalysed by SCLY, SLC27A2, ACSL4, ACSL3 and 5 moremitochondrial matrix, cytosolOne of 5 routes
- L-selenocysteine + AH2 = hydrogenselenide + L-alanine + A + H(+)
- D-serine(out) + L-alanine(in) = D-serine(in) + L-alanine(out)
- D-serine = 2-aminoprop-2-enoate + H2O
Catalysed by SCLY, SLC7A10, SRRinner side of the membrane, outer side of the membrane
- 3,3',5-triiodo-L-thyronine + iodide + A + H(+) = L-thyroxine + AH2
- transport of GSH and triiodothyronine (cytosol to extracellular)
- Resistance-Nodulation-Cell Division (Rnd) Tcdb:2.A.60.1.2
Catalysed by DIO1, DIO2, SLCO1A2, SLCO1B3 and 1 moreextracellular space, cytosolOne of 4 routes
- L-selenocysteine + AH2 = hydrogenselenide + L-alanine + A + H(+)
- amino-acid N-acetyltransferase (N-acetyl-L-alanine)
- Carnitine Dimethyl Nonanoyl Transferase, Revsible, Peroxisomal
Catalysed by SCLY, CRAT, CROTmitochondrial matrix, peroxisomeOne of 3 routes
- L-selenocysteine + AH2 = hydrogenselenide + L-alanine + A + H(+)
- amino-acid N-acetyltransferase (N-acetyl-L-alanine)
- Fatty Acid Beta Oxidation (C16Dc->C14Dc), Peroxisomal
Catalysed by SCLY, ACAA1, HSD17B4, EHHADH and 1 moremitochondrial matrix, peroxisome