L-isoleucine
362,296 routes · scope human · up to 3 steps · built 5 October 2026 · Reactions · API
941 compounds within 3 steps: 25 in 1, 279 in 2, 637 in 3
Three steps
- Acetylation of Isoleucine
- medium-chain acyl-CoA ligase (decanoic acid)
- decanoyl-CoA + (R)-carnitine = O-decanoyl-(R)-carnitine + CoA
Catalysed by ACSM4, ACSM1, ACSM2A, ACSM3 and 4 moremitochondrial matrix, cytosol
- transport of alanine and isoleucine (cytosol to extracellular)
- Transport of L-Cystine (L-Alanine antiport) by B0, +At Transporter
- L-cystine thiocysteine-lyase (deaminating
Catalysed by SLC7A5, SLC7A9, SLC3A1, CTHextracellular space, cytosol
- transport of glycine and isoleucine (cytosol to extracellular)
- Hippurate (Benzoylglycinate) Formation
- N-benzoylglycine(out) + a dicarboxylate(in) = N-benzoylglycine(in) + a dicarboxylate(out)
Catalysed by SLC7A5, SLC22A6, SLC22A8extracellular space, cytosol, mitochondrial matrix, inner side of the membrane, outer side of the membraneOne of 4 routes
- transport of glycine and isoleucine (cytosol to extracellular)
- gamma-L-glutamyl-L-cysteine + glycine + ATP = glutathione + ADP + phosphate + H(+)
- L-dehydroascorbate + 2 glutathione = glutathione disulfide + L-ascorbate
Catalysed by SLC7A5, GSS, CLIC1, GSTO1 and 1 moreextracellular space, cytosol
- transport of cysteine and isoleucine (cytosol to extracellular)
- K(+)(in) + L-cysteine(out) + 3 Na(+)(out) + H(+)(out) = K(+)(out) + L-cysteine(in) + 3 Na(+)(in) + H(+)(in)
- Ca(2+)(out) + K(+)(out) + 4 Na(+)(in) = Ca(2+)(in) + K(+)(in) + 4 Na(+)(out)
Catalysed by SLC7A5, SLC1A1, SLC24A1, SLC24A5 and 3 moreextracellular space, cytosol, inner side of the membrane, outer side of the membraneOne of 5 routes
- transport of isoleucine and leucine (cytosol to extracellular)
- L-Leucine:2-oxoglutarate aminotransferase
- branched chain keto acid dehydrogenase E1 (4-methyl-2-oxopentanoate)
Catalysed by SLC7A5, BCAT2, BCKDHA, BCKDHBextracellular space, cytosol, mitochondrial matrix
- transport of alanine and isoleucine (cytosol to extracellular)
- oxaloacetate + L-alanine = L-aspartate + pyruvate
- L-Aspartate:tRNA(Asp) ligase (AMP-forming)
Catalysed by SLC7A5, AGXT2, DARS1extracellular space, cytosol
- transport of isoleucine and tyrosine (cytosol to extracellular)
- thyroid peroxidase (iodine)
- iodide + H2O2 = hypoiodite + H2O
Catalysed by SLC7A5, TPO, MPO, LPOextracellular space, cytosol
- transport of alanine and isoleucine (cytosol to extracellular)
- Mo-molybdopterin + L-cysteine + AH2 = thio-Mo-molybdopterin + L-alanine + A + H2O
- L-selenocysteine + AH2 = hydrogenselenide + L-alanine + A + H(+)
Catalysed by SLC7A5, MOCOS, SCLYextracellular space, cytosol
- transport of chloride and isoleucine (cytosol to extracellular)
- transport of chloride and choline (cytosol to extracellular)
- phosphocholine + H2O = choline + phosphate
Catalysed by SLC6A14, SLC5A7, PHOSPHO1extracellular space, cytosolOne of 2 routes
- transport of glycine and isoleucine (cytosol to extracellular)
- gamma-L-glutamyl-L-cysteine:glycine ligase (ADP-forming)
- solute carrier organic anion transporter (cholate)
Catalysed by SLC7A5, GSS, SLCO1A2, SLCO1B3extracellular space, cytosolOne of 5 routes
- transport of glycine and isoleucine (cytosol to extracellular)
- glycine:oxygen oxidoreductase (deaminating)
- glycolate:NADP+ oxidoreductase
Catalysed by SLC7A5, DAO, GRHPRextracellular space, cytosol, peroxisomeOne of 3 routes
- transport of cysteine and isoleucine (cytosol to extracellular)
- K(+)(in) + L-cysteine(out) + 3 Na(+)(out) + H(+)(out) = K(+)(out) + L-cysteine(in) + 3 Na(+)(in) + H(+)(in)
- D-aspartate(out) + K(+)(in) + 3 Na(+)(out) + H(+)(out) = D-aspartate(in) + K(+)(out) + 3 Na(+)(in) + H(+)(in)
Catalysed by SLC7A5, SLC1A1, SLC1A7, SLC1A3 and 2 moreextracellular space, cytosol, inner side of the membrane, outer side of the membraneOne of 4 routes
- transport of alanine and isoleucine (cytosol to extracellular)
- (R)-3-Amino-2-methylpropanoate:pyruvate aminotransferase
- transport of acetate and pyruvate (cytosol to extracellular)
Catalysed by SLC7A5, AGXT2, SLC16A4, SLC16A5 and 3 moreextracellular space, cytosol, mitochondrial matrixOne of 9 routes
- Acetylation of Isoleucine
- long-chain-fatty-acid-CoA ligase ((6Z,9Z)-octadecadienoic acid)
- (9Z,12Z)-octadecadienoyl-CoA + H2O = (9Z,12Z)-octadecadienoate + CoA + H(+)
Catalysed by SLC27A2, ACSL4, ACSL3, ACSL1 and 8 moremitochondrial matrix, cytosol
- transport of arginine and isoleucine (cytosol to extracellular)
- Transport by Y+Lat-2 into Extracellular Space
- N1-acetylspermidine:oxygen oxidoreductase (3-acetamidopropanal-forming)
Catalysed by SLC7A6, SLC3A2, PAOX, SMOXextracellular space, cytosolOne of 4 routes
- transport of glycine and isoleucine (cytosol to extracellular)
- glycine + 2-oxoglutarate = glyoxylate + L-glutamate
- glyoxylate + O2 + H2O = oxalate + H2O2 + H(+)
Catalysed by SLC7A5, AADAT, HAO1extracellular space, cytosolOne of 3 routes
- transport of alanine and isoleucine (cytosol to extracellular)
- (R)-3-Amino-2-methylpropanoate:pyruvate aminotransferase
- transport of propanoate and pyruvate (cytosol to extracellular)
Catalysed by SLC7A5, AGXT2, SLC16A4, SLC16A5 and 4 moreextracellular space, cytosol, mitochondrial matrixOne of 7 routes
- transport of chloride and isoleucine (cytosol to extracellular)
- transport of chloride and oxalate (cytosol to extracellular)
- Mitochondrial Carrier (Mc) Tcdb:2.A.29.7.2
Catalysed by SLC6A14, SLC26A6, SLC25A1extracellular space, cytosol, mitochondrial matrixOne of 5 routes
- transport of alanine and isoleucine (cytosol to extracellular)
- (R)-3-Amino-2-methylpropanoate:pyruvate aminotransferase
- transport of butyrate and pyruvate (cytosol to extracellular)
Catalysed by SLC7A5, AGXT2, SLC16A4, SLC16A5 and 4 moreextracellular space, cytosol, mitochondrial matrixOne of 5 routes
- transport of chloride and isoleucine (cytosol to extracellular)
- transport of chloride and sulfate (cytosol to extracellular)
- maleate(in) + sulfate(out) = maleate(out) + sulfate(in)
Catalysed by SLC6A14, SLC26A6, SLC25A14, SLC25A30extracellular space, cytosol, inner side of the membrane, outer side of the membraneOne of 2 routes
Catalysed by SLC27A2, ACSL4, ACSL3, ACSL1 and 9 moremitochondrial matrix, cytosolOne of 2 routes
- transport of glycine and isoleucine (cytosol to extracellular)
- (9Z)-octadecenoyl-CoA + glycine = N-(9Z-octadecenoyl)glycine + CoA + H(+)
- (9Z)-octadecenoate + glycine = N-(9Z-octadecenoyl)glycine + H2O
Catalysed by SLC7A5, GLYATL3, GLYATL2, FAAH and 1 moreextracellular space, cytosolOne of 6 routes
- Acetylation of Isoleucine
- Activation of adipic acid for Formation of Adipoyl Carnitine
- Thioesterification of adipoyl-CoA for Release into Cytosol
Catalysed by ACOT8mitochondrial matrix, cytosol, peroxisomeOne of 3 routes
- transport of alanine and isoleucine (cytosol to extracellular)
- (R)-3-Amino-2-methylpropanoate:pyruvate aminotransferase
- L-Serine:pyruvate aminotransferase
Catalysed by SLC7A5, AGXT2, AGXTextracellular space, cytosol, mitochondrial matrixOne of 2 routes
- transport of glycine and isoleucine (cytosol to extracellular)
- gamma-L-glutamyl-L-cysteine + glycine + ATP = glutathione + ADP + phosphate + H(+)
- a hydroperoxide + 2 glutathione = an alcohol + glutathione disulfide + H2O
Catalysed by SLC7A5, GSS, CP, PRDX6extracellular space, cytosol
- transport of chloride and isoleucine (cytosol to extracellular)
- transport of chloride and oxalate (cytosol to extracellular)
- Mitochondrial Carrier (Mc) Tcdb:2.A.29.7.2
Catalysed by SLC6A14, SLC26A6, SLC25A1extracellular space, cytosol, mitochondrial matrixOne of 3 routes
- transport of glycine and isoleucine (cytosol to extracellular)
- bile acid-CoA: amino acid N-acyltransferase
- glycocholate(out) + glutarate(in) = glycocholate(in) + glutarate(out)
Catalysed by SLC7A5, BAAT, SLC22A24extracellular space, cytosol, peroxisome, inner side of the membrane, outer side of the membraneOne of 7 routes
- transport of chloride and isoleucine (cytosol to extracellular)
- transport of chloride and sulfate (cytosol to extracellular)
- (2R,3R)-tartrate(in) + sulfate(out) = (2R,3R)-tartrate(out) + sulfate(in)
Catalysed by SLC6A14, SLC26A6, SLC25A14, SLC25A30extracellular space, cytosol, inner side of the membrane, outer side of the membraneOne of 2 routes
- transport of chloride and isoleucine (cytosol to extracellular)
- transport of chloride and sulfate (cytosol to extracellular)
- (S,S)-tartrate(in) + sulfate(out) = (S,S)-tartrate(out) + sulfate(in)
Catalysed by SLC6A14, SLC26A6, SLC25A14, SLC25A30extracellular space, cytosol, inner side of the membrane, outer side of the membraneOne of 2 routes
- transport of chloride and isoleucine (cytosol to extracellular)
- transport of chloride and sulfate (cytosol to extracellular)
- (3R)-citramalate(in) + sulfate(out) = (3R)-citramalate(out) + sulfate(in)
Catalysed by SLC6A14, SLC26A6, SLC25A14, SLC25A30extracellular space, cytosol, inner side of the membrane, outer side of the membraneOne of 2 routes
- transport of chloride and isoleucine (cytosol to extracellular)
- transport of chloride and sulfate (cytosol to extracellular)
- (3S)-citramalate(in) + sulfate(out) = (3S)-citramalate(out) + sulfate(in)
Catalysed by SLC6A14, SLC26A6, SLC25A14, SLC25A30extracellular space, cytosol, inner side of the membrane, outer side of the membraneOne of 2 routes
- Acetylation of Isoleucine
- long-chain-fatty-acid-CoA ligase (behenic acid)
- docosanoyl-CoA + 2 NADPH + 2 H(+) = docosan-1-ol + 2 NADP(+) + CoA
Catalysed by SLC27A2, ACSL4, ACSL3, ACSL1 and 5 moremitochondrial matrix, cytosol
Catalysed by SLC27A2, ACSL4, ACSL3, ACSL1 and 6 moremitochondrial matrix, cytosolOne of 2 routes
Catalysed by SLC27A2, ACSL4, ACSL3, ACSL1 and 6 moremitochondrial matrix, cytosolOne of 4 routes
- Acetylation of Isoleucine
- acyl-CoA:sphingosine N-acyltransferase
- sphingosine N-acyltransferase (sphinganine)
Catalysed by ASAH1, ACER2, ACER1, ASAH2 and 6 moremitochondrial matrix, Golgi apparatus, cytosol
- Acetylation of Isoleucine
- long-chain-fatty-acid-CoA ligase (stearate)
- octadecanoyl-CoA + 2 NADPH + 2 H(+) = octadecan-1-ol + 2 NADP(+) + CoA
Catalysed by SLC27A2, ACSL4, ACSL3, ACSL1 and 5 moremitochondrial matrix, cytosol
Catalysed by SLC27A2, ACSL4, ACSL3, ACSL1 and 7 moremitochondrial matrix, cytosolOne of 4 routes
- transport of chloride and isoleucine (cytosol to extracellular)
- Carnitine Transport by Atb0
- Utilized Transport
Catalysed by SLC6A14extracellular space, cytosol, endoplasmic reticulumOne of 8 routes
- Acetylation of Isoleucine
- long-chain-fatty-acid-CoA ligase (nervonic acid)
- (15Z)-tetracosenoyl-CoA hydrolase
Catalysed by SLC27A2, ACSL4, ACSL3, ACSL1 and 6 moremitochondrial matrix, cytosol
- transport of glycine and isoleucine (cytosol to extracellular)
- gamma-L-glutamyl-L-cysteine:glycine ligase (ADP-forming)
- transport of arachidonate and GSH (cytosol to extracellular)
Catalysed by SLC7A5, GSSextracellular space, cytosolOne of 8 routes
- Acetylation of Isoleucine
- long-chain-fatty-acid-CoA ligase (cis-gondoic acid)
- (11Z)-eicosenoyl-CoA hydrolase
Catalysed by SLC27A2, ACSL4, ACSL3, ACSL1 and 7 moremitochondrial matrix, cytosol
- transport of chloride and isoleucine (cytosol to extracellular)
- transport of chloride and oxalate (cytosol to extracellular)
- Mitochondrial Carrier (Mc) Tcdb:2.A.29.7.2
Catalysed by SLC6A14, SLC26A6, SLC25A1extracellular space, cytosol, mitochondrial matrixOne of 3 routes
- transport of alanine and isoleucine (cytosol to extracellular)
- oxaloacetate + L-alanine = L-aspartate + pyruvate
- carbamoyl phosphate + L-aspartate = N-carbamoyl-L-aspartate + phosphate + H(+)
Catalysed by SLC7A5, AGXT2, CADextracellular space, cytosolOne of 2 routes
- transport of alanine and isoleucine (cytosol to extracellular)
- (R)-3-Amino-2-methylpropanoate:pyruvate aminotransferase
- 3-oxopropanoate + L-alanine = beta-alanine + pyruvate
Catalysed by SLC7A5, AGXT2extracellular space, cytosol, mitochondrial matrixOne of 2 routes
- transport of cysteine and isoleucine (cytosol to extracellular)
- L-Cysteine:2-oxoglutarate aminotransferase
- 3-mercaptopyruvate:sulfide sulfurtransferase
Catalysed by SLC7A5, GOT2, GOT1, MPST and 1 moreextracellular space, cytosolOne of 6 routes