L-leucine
362,296 routes · scope human · up to 3 steps · built 5 October 2026 · Reactions · API
959 compounds within 3 steps: 31 in 1, 296 in 2, 632 in 3
Three steps
- Acetylation of Leucine
- Transport of octadecenoyl-CoA into Mitochondrial Matrix
- medium-chain acyl-CoA dehydrogenase (oleoyl-CoA)
Catalysed by CPT1A, CPT1C, CPT1B, ACADM and 3 moremitochondrial matrix, cytosolOne of 2 routes
- Acetylation of Leucine
- long-chain-fatty-acid-CoA ligase ((6Z,9Z)-octadecadienoic acid)
- (9Z,12Z)-octadecadienoyl-CoA + oxidized [electron-transfer flavoprotein] + H(+) = (2E,9Z,12Z)-octadecatrienoyl-CoA + reduced [electron-transfer flavoprotein]
Catalysed by SLC27A2, ACSL4, ACSL3, ACSL1 and 7 moremitochondrial matrix, cytosol
- Acetylation of Leucine
- long-chain-fatty-acid-CoA ligase (DHA)
- (4Z,7Z,10Z,13Z,16Z,19Z)-docosahexaenoyl-CoA + O2 = (2E,4Z,7Z,10Z,13Z,16Z,19Z)-docosaheptaenoyl-CoA + H2O2
Catalysed by SLC27A2, ACSL4, ACSL3, ACSL1 and 5 moremitochondrial matrix, cytosol
- transport of glycine and leucine (cytosol to extracellular)
- gamma-L-glutamyl-L-cysteine + glycine + ATP = glutathione + ADP + phosphate + H(+)
- (9S)-hydroperoxy-(10E,12Z)-octadecadienoate + 2 glutathione = (9S)-hydroxy-(10E,12Z)-octadecadienoate + glutathione disulfide + H2O
Catalysed by SLC7A5, GSS, GPX1, GPX4extracellular space, cytosolOne of 2 routes
- transport of alanine and leucine (cytosol to extracellular)
- Mo-molybdopterin + L-cysteine + AH2 = thio-Mo-molybdopterin + L-alanine + A + H2O
- (9Z,12Z)-octadecadienoate + AH2 + O2 = (9R)-hydroxy-(10E,12Z)-octadecadienoate + A + H2O
Catalysed by SLC7A5, MOCOS, PTGS1, PTGS2extracellular space, cytosol
- Acetylation of Leucine
- acyl-CoA:sphingosine N-acyltransferase
- N-(9Z-octadecenoyl)-sphing-4-enine + H2O = sphing-4-enine + (9Z)-octadecenoate
Catalysed by ASAH1, ACER2, ACER1, ASAH2 and 1 moremitochondrial matrix, Golgi apparatusOne of 2 routes
Catalysed by DGAT1, LRAT, AWAT1, AWAT2 and 2 moremitochondrial matrix, cytosol
- transport of glycine and leucine (cytosol to extracellular)
- gamma-L-glutamyl-L-cysteine:glycine ligase (ADP-forming)
- transport of GSH and ursodeoxycholate (cytosol to extracellular)
Catalysed by SLC7A5, GSS, SLCO1A2, SLCO1B3extracellular space, cytosolOne of 2 routes
- transport of alanine and leucine (cytosol to extracellular)
- Mo-molybdopterin + L-cysteine + AH2 = thio-Mo-molybdopterin + L-alanine + A + H2O
- (5Z,8Z,11Z,14Z)-eicosatetraenoate + AH2 + O2 = (11R)-hydroxy-(5Z,8Z,12E,14Z)-eicosatetraenoate + A + H2O
Catalysed by SLC7A5, MOCOS, PTGS2extracellular space, cytosol
- transport of alanine and leucine (cytosol to extracellular)
- Mo-molybdopterin + L-cysteine + AH2 = thio-Mo-molybdopterin + L-alanine + A + H2O
- (5Z,8Z,11Z,14Z)-eicosatetraenoate + AH2 + O2 = (15R)-hydroxy-(5Z,8Z,11Z,13E)-eicosatetraenoate + A + H2O
Catalysed by SLC7A5, MOCOS, PTGS2extracellular space, cytosol
Catalysed by SLC27A2, ACSL4, ACSL3, ACSL1 and 6 moremitochondrial matrix, cytosol
- transport of leucine and phenylalanine (cytosol to extracellular)
- Phenylalanine Transaminase, Mitochondrial
- Formation of Phenyl-Lactate
Catalysed by SLC7A5, GOT2, TATextracellular space, cytosol, mitochondrial matrix
- transport of glycine and leucine (cytosol to extracellular)
- gamma-L-glutamyl-L-cysteine:glycine ligase (ADP-forming)
- transport of GSH and prostaglandin G2 (cytosol to extracellular)
Catalysed by SLC7A5, GSS, SLCO2A1extracellular space, cytosolOne of 2 routes
- Acetylation of Leucine
- long-chain-fatty-acid-CoA ligase (stearate)
- Acyl-CoA:cholesterol O-acyltransferase
Catalysed by SLC27A2, ACSL4, ACSL3, ACSL1 and 5 moremitochondrial matrix, cytosol, endoplasmic reticulumOne of 2 routes
- Acetylation of Leucine
- long-chain-fatty-acid-CoA ligase (stearate)
- hexadecasphinganine + octadecanoyl-CoA = N-octadecanoylhexadecasphinganine + CoA + H(+)
Catalysed by SLC27A2, ACSL4, ACSL3, ACSL1 and 5 moremitochondrial matrix, cytosol
- Acetylation of Leucine
- long-chain-fatty-acid-CoA ligase (DHA)
- (4Z,7Z,10Z,13Z,16Z,19Z)-docosahexaenoyl-CoA + 1-hexadecanoyl-sn-glycero-3-phosphate = 1-hexadecanoyl-2-(4Z,7Z,10Z,13Z,16Z,19Z-docosahexaenoyl)-sn-glycero-3-phosphate + CoA
Catalysed by SLC27A2, ACSL4, ACSL3, ACSL1 and 5 moremitochondrial matrix, cytosol
- Acetylation of Leucine
- long-chain-fatty-acid-CoA ligase (eicosanoate)
- eicosanoyl-CoA + 1-hexadecanoyl-sn-glycero-3-phosphocholine = 1-hexadecanoyl-2-eicosanoyl-sn-glycero-3-phosphocholine + CoA
Catalysed by SLC27A2, ACSL4, ACSL3, ACSL1 and 5 moremitochondrial matrix, cytosol
- transport of glycine and leucine (cytosol to extracellular)
- gamma-L-glutamyl-L-cysteine + glycine + ATP = glutathione + ADP + phosphate + H(+)
- (12R)-hydroperoxy-(5Z,8Z,10E,14Z)-eicosatetraenoate + 2 glutathione = (12R)-hydroxy-(5Z,8Z,10E,14Z)-eicosatetraenoate + glutathione disulfide + H2O
Catalysed by SLC7A5, GSS, GPX1, GPX2 and 1 moreextracellular space, cytosol
- Acetylation of Leucine
- acyl-CoA:sphingosine N-acyltransferase
- sphing-4-enine + 2 Fe(II)-[cytochrome b5] + O2 + 2 H(+) = sphinga-4E,14Z-dienine + 2 Fe(III)-[cytochrome b5] + 2 H2O
Catalysed by ASAH1, ACER2, ACER1, ASAH2 and 1 moremitochondrial matrix, Golgi apparatus
- Acetylation of Leucine
- long-chain-fatty-acid-CoA ligase ((6Z,9Z)-octadecadienoic acid)
- 1'-[1,2-di-(9Z,12Z-octadecadienoyl)-sn-glycero-3-phospho]-3'-[1-(9Z,12Z-octadecadienoyl)-sn-glycero-3-phospho]-glycerol + (9Z,12Z)-octadecadienoyl-CoA = 1',3'-bis-[1,2-di-(9Z,12Z-octadecadienoyl)-sn-glycero-3-phospho]-glycerol + CoA
Catalysed by SLC27A2, ACSL4, ACSL3, ACSL1 and 5 moremitochondrial matrix, cytosol
- Acetylation of Leucine
- long-chain-fatty-acid-CoA ligase (stearate)
- a 1-acyl-sn-glycero-3-phospho-(1D-myo-inositol) + octadecanoyl-CoA = a 1-acyl-2-octadecanoyl-sn-glycero-3-phospho-(1D-myo-inositol) + CoA
Catalysed by SLC27A2, ACSL4, ACSL3, ACSL1 and 4 moremitochondrial matrix, cytosol
- Acetylation of Leucine
- long-chain-fatty-acid-CoA ligase (palmitolate)
- (9Z)-hexadecenoyl-CoA + cholesterol = cholesteryl (9Z)-hexadecenoate + CoA
Catalysed by SLC27A2, ACSL4, ACSL3, ACSL1 and 5 moremitochondrial matrix, cytosol
- Acetylation of Leucine
- long-chain-fatty-acid-CoA ligase (linolenate)
- (9Z,12Z,15Z)-octadecatrienoyl-CoA + cholesterol = (9Z,12Z,15Z-octadecatrienoyl)-cholesterol + CoA
Catalysed by SLC27A2, ACSL4, ACSL3, ACSL1 and 5 moremitochondrial matrix, cytosol
- Acetylation of Leucine
- long-chain-fatty-acid-CoA ligase (dihomo-gamma-linolenate)
- Acyl-CoA:cholesterol O-acyltransferase
Catalysed by SLC27A2, ACSL4, ACSL3, ACSL1 and 6 moremitochondrial matrix, cytosol, endoplasmic reticulum
- Acetylation of Leucine
- long-chain-fatty-acid-CoA ligase (myristic acid)
- tetradecanoyl-CoA + (R)-carnitine = O-tetradecanoyl-(R)-carnitine + CoA
Catalysed by SLC27A2, ACSL4, ACSL3, ACSL1 and 5 moremitochondrial matrix, cytosol
- Acetylation of Leucine
- long-chain-fatty-acid-CoA ligase (stearate)
- (R)-carnitine + octadecanoyl-CoA = O-octadecanoyl-(R)-carnitine + CoA
Catalysed by SLC27A2, ACSL4, ACSL3, ACSL1 and 4 moremitochondrial matrix, cytosol
- Acetylation of Leucine
- long-chain-fatty-acid-CoA ligase (eicosanoate)
- eicosanoyl-CoA + (R)-carnitine = O-eicosanoyl-(R)-carnitine + CoA
Catalysed by SLC27A2, ACSL4, ACSL3, ACSL1 and 5 moremitochondrial matrix, cytosol
- transport of chloride and leucine (cytosol to extracellular)
- Carnitine Transport by Atb0
- Carnitine Dimethyl Nonanoyl Transferase, Revsible, Peroxisomal
Catalysed by SLC6A14, CRAT, CROTextracellular space, cytosol, peroxisomeOne of 7 routes
- Acetylation of Leucine
- long-chain-fatty-acid-CoA ligase (stearate)
- 2-(9Z,12Z-octadecadienoyl)-sn-glycero-3-phosphocholine + octadecanoyl-CoA = 1-octadecanoyl-2-(9Z,12Z)-octadecadienoyl-sn-glycero-3-phosphocholine + CoA
Catalysed by SLC27A2, ACSL4, ACSL3, ACSL1 and 4 moremitochondrial matrix, cytosol
- 1-octadecanoyl-2-(4Z,7Z,10Z,13Z,16Z,19Z-docosahexaenoyl)-sn-glycero-3-phosphocholineReach from here →
- Acetylation of Leucine
- long-chain-fatty-acid-CoA ligase (stearate)
- 2-(4Z,7Z,10Z,13Z,16Z,19Z-docosahexaenoyl)-sn-glycero-3-phosphocholine + octadecanoyl-CoA = 1-octadecanoyl-2-(4Z,7Z,10Z,13Z,16Z,19Z-docosahexaenoyl)-sn-glycero-3-phosphocholine + CoA
Catalysed by SLC27A2, ACSL4, ACSL3, ACSL1 and 4 moremitochondrial matrix, cytosol
Catalysed by SLC27A2, ACSL4, ACSL3, ACSL1 and 6 moremitochondrial matrix, cytosol, endoplasmic reticulumOne of 2 routes
- transport of alanine and leucine (cytosol to extracellular)
- Mo-molybdopterin + L-cysteine + AH2 = thio-Mo-molybdopterin + L-alanine + A + H2O
- 2-glyceryl-prostaglandin G2 + AH2 = 2-glyceryl-prostaglandin H2 + A + H2O
Catalysed by SLC7A5, MOCOS, PTGS2extracellular space, cytosol
- Acetylation of Leucine
- long-chain-fatty-acid-CoA ligase (physeteric acid)
- medium-chain acyl-CoA dehydrogenase (5-tetradecenoyl-CoA)
Catalysed by SLC27A2, ACSL4, ACSL3, ACSL1 and 8 moremitochondrial matrix, cytosolOne of 4 routes
- Acetylation of Leucine
- long-chain-fatty-acid-CoA ligase (7-palmitoleic acid)
- medium-chain acyl-CoA dehydrogenase (7-hexadecenoyl-CoA)
Catalysed by SLC27A2, ACSL4, ACSL3, ACSL1 and 8 moremitochondrial matrix, cytosolOne of 4 routes
- Acetylation of Leucine
- Transport of 11-Octadecenoyl Carnitine into the Mitochondrial Matrix
- (11Z)-octadecenoyl-CoA + cholesterol = cholesteryl (11Z)-octadecenoate + CoA
Catalysed by CPT1A, CPT1C, CPT1B, SOAT1mitochondrial matrix, cytosol
- transport of glycine and leucine (cytosol to extracellular)
- gamma-L-glutamyl-L-cysteine + glycine + ATP = glutathione + ADP + phosphate + H(+)
- (5S)-hydroperoxy-(6E,8Z,11Z,14Z)-eicosatetraenoate + 2 glutathione = (5S)-hydroxy-(6E,8Z,11Z,14Z)-eicosatetraenoate + glutathione disulfide + H2O
Catalysed by SLC7A5, GSS, PTGES, MGST3 and 4 moreextracellular space, cytosol
- transport of glycine and leucine (cytosol to extracellular)
- gamma-L-glutamyl-L-cysteine + glycine + ATP = glutathione + ADP + phosphate + H(+)
- (12S)-hydroperoxy-(5Z,8Z,10E,14Z)-eicosatetraenoate + 2 glutathione = (12S)-hydroxy-(5Z,8Z,10E,14Z)-eicosatetraenoate + glutathione disulfide + H2O
Catalysed by SLC7A5, GSS, GPX1, GPX4extracellular space, cytosol
- transport of glycine and leucine (cytosol to extracellular)
- gamma-L-glutamyl-L-cysteine:glycine ligase (ADP-forming)
- transport of GSH and thromboxane B2 (cytosol to extracellular)
Catalysed by SLC7A5, GSS, SLCO1B1extracellular space, cytosolOne of 2 routes
- Acetylation of Leucine
- acyl-CoA:sphingosine N-acyltransferase
- an acyl-CoA + acetyl-CoA = a 3-oxoacyl-CoA + CoA
Catalysed by ASAH1, ACER2, ACER1, ASAH2 and 4 moremitochondrial matrix, Golgi apparatus
- transport of glycine and leucine (cytosol to extracellular)
- gamma-L-glutamyl-L-cysteine + glycine + ATP = glutathione + ADP + phosphate + H(+)
- RX + glutathione = an S-substituted glutathione + a halide anion + H(+)
Catalysed by SLC7A5, GSS, GSTT4, GSTA4 and 21 moreextracellular space, cytosolOne of 2 routes
- transport of alanine and leucine (cytosol to extracellular)
- Mo-molybdopterin + L-cysteine + AH2 = thio-Mo-molybdopterin + L-alanine + A + H2O
- prostaglandin G1 + AH2 = prostaglandin H1 + A + H2O
Catalysed by SLC7A5, MOCOS, PTGS2extracellular space, cytosol
- transport of alanine and leucine (cytosol to extracellular)
- Mo-molybdopterin + L-cysteine + AH2 = thio-Mo-molybdopterin + L-alanine + A + H2O
- (5S)-hydroxy-(6E,8Z,11Z,14Z)-eicosatetraenoate + AH2 + O2 = (5S,11R)-dihydroxy-(6E,8Z,12E,14Z)-eicosatetraenoate + A + H2O
Catalysed by SLC7A5, MOCOS, PTGS2extracellular space, cytosol
- transport of alanine and leucine (cytosol to extracellular)
- Mo-molybdopterin + L-cysteine + AH2 = thio-Mo-molybdopterin + L-alanine + A + H2O
- (5S)-hydroxy-(6E,8Z,11Z,14Z)-eicosatetraenoate + AH2 + O2 = (5S,15R)-dihydroxy-(6E,8Z,11Z,13E)-eicosatetraenoate + A + H2O
Catalysed by SLC7A5, MOCOS, PTGS2extracellular space, cytosol
- transport of alanine and leucine (cytosol to extracellular)
- Mo-molybdopterin + L-cysteine + AH2 = thio-Mo-molybdopterin + L-alanine + A + H2O
- (5S)-hydroxy-(6E,8Z,11Z,14Z)-eicosatetraenoate + AH2 + O2 = (5S,15S)-dihydroxy-(6E,8Z,11Z,13E)-eicosatetraenoate + A + H2O
Catalysed by SLC7A5, MOCOS, PTGS2extracellular space, cytosol
- transport of alanine and leucine (cytosol to extracellular)
- Mo-molybdopterin + L-cysteine + AH2 = thio-Mo-molybdopterin + L-alanine + A + H2O
- (4Z,7Z,10Z,13Z,16Z,19Z)-docosahexaenoate + AH2 + O2 = 17R-hydroxy-(4Z,7Z,10Z,13Z,15E,19Z)-docosahexaenoate + A + H2O
Catalysed by SLC7A5, MOCOS, PTGS2extracellular space, cytosol