L-threonine
362,296 routes · scope human · up to 3 steps · built 5 October 2026 · Reactions · API
570 compounds within 3 steps: 7 in 1, 117 in 2, 446 in 3
Three steps
- L-threonine = 2-oxobutanoate + NH4(+)
- 2-oxobutanoate + L-alanine = (2S)-2-aminobutanoate + pyruvate
- N(1)-methylguanosine(37) in tRNA(Phe) + pyruvate + S-adenosyl-L-methionine = 4-demethylwyosine(37) in tRNA(Phe) + 5'-deoxyadenosine + L-methionine + CO2 + H2O
Catalysed by SDS, SDSL, AGXT2, TYW1B and 1 moreOne of 5 routes
- L-threonine = acetaldehyde + glycine
- transport of glycine and tryptophan (cytosol to extracellular)
- Transport of 3-Hydroxy-L-Kynurenine
Catalysed by SHMT1, SLC7A5extracellular space, cytosolOne of 3 routes
- L-threonine = acetaldehyde + glycine
- transport of glycine and proline (cytosol to extracellular)
- L-proline:(acceptor) oxidoreductase
Catalysed by SHMT1, SLC7A5, SLC7A6, PRODH2extracellular space, cytosolOne of 3 routes
- L-threonine = acetaldehyde + glycine
- transport of arginine and glycine (cytosol to extracellular)
- L-arginine carboxy-lyase (agmatine-forming)
Catalysed by SHMT1, SLC7A6extracellular space, cytosol, mitochondrial matrix
- L-threonine = acetaldehyde + glycine
- transport of glycine and tryptophan (cytosol to extracellular)
- L-tryptophan + O2 + H2O = indole-3-pyruvate + H2O2 + NH4(+)
Catalysed by SHMT1, SLC7A5, IL4I1extracellular space, cytosolOne of 3 routes
- L-threonine(out) + L-alanine(in) = L-threonine(in) + L-alanine(out)
- Mo-molybdopterin + L-cysteine + AH2 = thio-Mo-molybdopterin + L-alanine + A + H2O
- 3,3',5'-triiodo-L-thyronine sulfate + iodide + A + H(+) = L-thyroxine sulfate + AH2
Catalysed by SLC7A10, MOCOS, DIO1inner side of the membrane, outer side of the membrane
- L-threonine(out) + L-alanine(in) = L-threonine(in) + L-alanine(out)
- Mo-molybdopterin + L-cysteine + AH2 = thio-Mo-molybdopterin + L-alanine + A + H2O
- 3,3'-diiodo-L-thyronine + iodide + A + H(+) = 3,3',5-triiodo-L-thyronine + AH2
Catalysed by SLC7A10, MOCOS, DIO1, DIO3inner side of the membrane, outer side of the membraneOne of 2 routes
- L-threonine(out) + L-alanine(in) = L-threonine(in) + L-alanine(out)
- Mo-molybdopterin + L-cysteine + AH2 = thio-Mo-molybdopterin + L-alanine + A + H2O
- 3,3'-diiodo-L-thyronine sulfate + iodide + A + H(+) = 3,3',5-triiodo-L-thyronine sulfate + AH2
Catalysed by SLC7A10, MOCOS, DIO1inner side of the membrane, outer side of the membraneOne of 2 routes
- L-threonine = acetaldehyde + glycine
- bile acid-CoA: amino acid N-acyltransferase
- Fatty Acid Beta Oxidation (C18:3->C16:3), Mitochondrial
Catalysed by SHMT1, BAAT, HADHA, ACADVL and 1 moreperoxisome, mitochondrial matrix
- L-threonine = acetaldehyde + glycine
- transport of chloride and glycine (cytosol to extracellular)
- transport of betaine and chloride (cytosol to extracellular)
Catalysed by SHMT1, SLC6A9, SLC6A14, SLC6A12extracellular space, cytosolOne of 3 routes
- L-threonine = acetaldehyde + glycine
- Acetaldehyde:NAD+ oxidoreductase
- 4-methylumbelliferyl acetate + H2O = 4-methylumbelliferone + acetate + H(+)
Catalysed by SHMT1, ALDH3A1, ALDH3B1, ALDH1A3 and 4 morecytosol
- L-threonine = acetaldehyde + glycine
- gamma-L-glutamyl-L-cysteine + glycine + ATP = glutathione + ADP + phosphate + H(+)
- urate(out) + glutathione(in) = urate(in) + glutathione(out)
Catalysed by SHMT1, GSS, SLC22A13inner side of the membrane, outer side of the membrane
- L-threonine = acetaldehyde + glycine
- transport of glycine and tryptophan (cytosol to extracellular)
- (6R)-L-erythro-5,6,7,8-tetrahydrobiopterin + L-tryptophan + O2 = 5-hydroxy-L-tryptophan + (4aS,6R)-4a-hydroxy-L-erythro-5,6,7,8-tetrahydrobiopterin
Catalysed by SHMT1, SLC7A5, TPH1, TPH2extracellular space, cytosol
- L-threonine = acetaldehyde + glycine
- transport of glycine and leucine (cytosol to extracellular)
- L-Leucine:2-oxoglutarate aminotransferase
Catalysed by SHMT1, SLC7A5, BCAT2extracellular space, cytosol, mitochondrial matrixOne of 5 routes
- L-threonine(out) + L-alanine(in) = L-threonine(in) + L-alanine(out)
- beta-alanine(out) + L-alanine(in) = beta-alanine(in) + L-alanine(out)
- beta-alanine:2-oxoglutarate aminotransferase
Catalysed by SLC7A10, ABATinner side of the membrane, outer side of the membrane, mitochondrial matrix
- L-threonine = acetaldehyde + glycine
- transport of glycine and phenylalanine (cytosol to extracellular)
- Phenylalanine Transaminase, Mitochondrial
Catalysed by SHMT1, SLC7A5, GOT2, TATextracellular space, cytosol, mitochondrial matrixOne of 7 routes
- L-threonine(out) + L-alanine(in) = L-threonine(in) + L-alanine(out)
- gamma-glutamyltransferase (alanine)
- gamma-glutamylcyclotransferase ((5-L-glutamyl)-L-amino acid)
Catalysed by SLC7A10, GGT1, GGT5, GGTLC2 and 5 moreinner side of the membrane, outer side of the membrane, extracellular space, cytosol
- L-threonine = acetaldehyde + glycine
- transport of chloride and glycine (cytosol to extracellular)
- Transport of 3-Ureidopropionate
Catalysed by SHMT1, SLC6A9, SLC6A14extracellular space, cytosolOne of 2 routes
- L-threonine(out) + L-alanine(in) = L-threonine(in) + L-alanine(out)
- L-selenocysteine selenide-lyase (L-alanine-forming)
- pyridoxine 5'-phosphate:oxygen oxidoreductase
Catalysed by SLC7A10, SCLY, PNPOinner side of the membrane, outer side of the membrane, cytosolOne of 3 routes
- L-threonine = acetaldehyde + glycine
- transport of glycine and methionine (cytosol to extracellular)
- S-methylmercury-L-cysteine(out) + L-methionine(in) = S-methylmercury-L-cysteine(in) + L-methionine(out)
Catalysed by SHMT1, SLC7A5, SLC7A8extracellular space, cytosol, inner side of the membrane, outer side of the membraneOne of 6 routes
- L-threonine(in) + L-glutamine(out) + Na(+)(out) = L-threonine(out) + L-glutamine(in) + Na(+)(in)
- D-serine(in) + L-glutamine(out) + Na(+)(out) = D-serine(out) + L-glutamine(in) + Na(+)(in)
- D-isoleucine(out) + D-serine(in) = D-isoleucine(in) + D-serine(out)
Catalysed by SLC1A5, SLC7A10inner side of the membrane, outer side of the membrane
- L-threonine(out) + L-alanine(in) = L-threonine(in) + L-alanine(out)
- L-proline(out) + L-alanine(in) + Na(+)(out) = L-proline(in) + L-alanine(out) + Na(+)(in)
- Xaa-L-Pro dipeptide + H2O = an L-alpha-amino acid + L-proline
Catalysed by SLC7A10, SLC1A4, PEPDinner side of the membrane, outer side of the membrane
- L-threonine(out) + L-alanine(in) = L-threonine(in) + L-alanine(out)
- Mo-molybdopterin + L-cysteine + AH2 = thio-Mo-molybdopterin + L-alanine + A + H2O
- 3',5'-diiodo-L-thyronine + iodide + A + H(+) = 3,3',5'-triiodo-L-thyronine + AH2
Catalysed by SLC7A10, MOCOS, DIO3inner side of the membrane, outer side of the membrane
- L-threonine = acetaldehyde + glycine
- 5,10-Methylenetetrahydrofolate:glycine hydroxymethyltransferase
- 5,10-Methylenetetrahydrofolate:glycine hydroxymethyltransferase
Catalysed by SHMT1cytosolOne of 7 routes
- L-threonine = acetaldehyde + glycine
- transport of cysteine and glycine (cytosol to extracellular)
- S-sulfanyl-L-cysteine + L-cysteine = S-disulfanyl-L-cysteine + L-alanine
Catalysed by SHMT1, SLC3A2, SLC7A5, SLC7A8 and 1 moreextracellular space, cytosol
- L-threonine = acetaldehyde + glycine
- bile acid-CoA: amino acid N-acyltransferase
- acetyl-CoA C-acyltransferase (3-oxomyrist-7-enoyl-CoA)
Catalysed by SHMT1, BAAT, HADHA, ACAA2 and 1 moreperoxisome, mitochondrial matrixOne of 2 routes
- L-threonine(out) + L-alanine(in) = L-threonine(in) + L-alanine(out)
- Mo-molybdopterin + L-cysteine + AH2 = thio-Mo-molybdopterin + L-alanine + A + H2O
- 3-iodothyronamine + iodide + A + H(+) = 3,5-diiodothyronamine + AH2
Catalysed by SLC7A10, MOCOS, DIO1, DIO3inner side of the membrane, outer side of the membraneOne of 2 routes
- L-threonine = acetaldehyde + glycine
- bile acid-CoA: amino acid N-acyltransferase
- long-chain-fatty-acid-CoA ligase (cis-cetoleic acid)
Catalysed by SHMT1, BAAT, SLC27A2, ACSL4 and 6 moreperoxisome, cytosolOne of 5 routes