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 = acetaldehyde + glycine
- bile acid-CoA: amino acid N-acyltransferase
- Itaconate:CoA ligase (GDP-forming)
Catalysed by SHMT1, BAAT, SUCLG1, SUCLG2 and 1 moreperoxisome, mitochondrial matrixOne of 2 routes
- L-threonine = acetaldehyde + glycine
- bile acid-CoA: amino acid N-acyltransferase
- long-chain-fatty-acid-CoA ligase ((6Z,9Z)-octadecadienoic acid)
Catalysed by SHMT1, BAAT, SLC27A2, ACSL4 and 6 moreperoxisome, cytosolOne of 14 routes
- L-threonine = acetaldehyde + glycine
- bile acid-CoA: amino acid N-acyltransferase
- long-chain-fatty-acid-CoA ligase (myristic acid)
Catalysed by SHMT1, BAAT, SLC27A2, ACSL4 and 6 moreperoxisome, cytosolOne of 12 routes
- L-threonine = acetaldehyde + glycine
- bile acid-CoA: amino acid N-acyltransferase
- Octanoyl-CoA:L-carnitine O-octanoyltransferase
Catalysed by SHMT1, BAAT, CROTperoxisome, mitochondrial matrixOne of 21 routes
- L-threonine = acetaldehyde + glycine
- bile acid-CoA: amino acid N-acyltransferase
- long-chain-fatty-acid-CoA ligase (stearate)
Catalysed by SHMT1, BAAT, SLC27A2, ACSL4 and 5 moreperoxisome, cytosolOne of 15 routes
- L-threonine = acetaldehyde + glycine
- gamma-L-glutamyl-L-cysteine:glycine ligase (ADP-forming)
- transport of GSH and prostaglandin E1 (cytosol to extracellular)
Catalysed by SHMT1, GSS, SLCO2A1cytosol, extracellular spaceOne of 2 routes
- L-threonine = acetaldehyde + glycine
- gamma-L-glutamyl-L-cysteine:glycine ligase (ADP-forming)
- transport of GSH and prostaglandin I2 (cytosol to extracellular)
Catalysed by SHMT1, GSS, SLCO2A1cytosol, extracellular spaceOne of 2 routes
- L-threonine = acetaldehyde + glycine
- gamma-L-glutamyl-L-cysteine:glycine ligase (ADP-forming)
- transport of GSH and prostaglandin F2alpha (cytosol to extracellular)
Catalysed by SHMT1, GSS, SLCO2A1cytosol, extracellular spaceOne of 2 routes
- L-threonine = acetaldehyde + glycine
- gamma-L-glutamyl-L-cysteine:glycine ligase (ADP-forming)
- transport of GSH and prostaglandin H2 (cytosol to extracellular)
Catalysed by SHMT1, GSS, SLCO2A1cytosol, extracellular spaceOne of 4 routes
- L-threonine = acetaldehyde + glycine
- gamma-L-glutamyl-L-cysteine:glycine ligase (ADP-forming)
- transport of GSH and prostaglandin D2 (cytosol to extracellular)
Catalysed by SHMT1, GSS, SLCO2A1cytosol, extracellular spaceOne of 2 routes
- L-threonine = acetaldehyde + glycine
- gamma-L-glutamyl-L-cysteine:glycine ligase (ADP-forming)
- Glutathione: 15-HPETE oxidoreductase
Catalysed by SHMT1, GSS, GPX5, GPX1 and 7 morecytosolOne of 3 routes
- L-threonine = acetaldehyde + glycine
- gamma-L-glutamyl-L-cysteine:glycine ligase (ADP-forming)
- transport of GSH and leukotriene A4 (cytosol to extracellular)
Catalysed by SHMT1, GSS, SLCO2A1cytosol, extracellular spaceOne of 3 routes
- L-threonine = acetaldehyde + glycine
- transport of arginine and glycine (cytosol to extracellular)
- 2-(Nomega-L-arginino)succinate arginine-lyase (fumarate-forming)
Catalysed by SHMT1, SLC7A6, ASLextracellular space, cytosolOne of 6 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 + L-histidine + ATP = carnosine + ADP + phosphate + H(+)
Catalysed by SLC7A10, CARNS1inner side of the membrane, outer side of the membrane
- L-threonine = acetaldehyde + glycine
- transport of arginine and glycine (cytosol to extracellular)
- 4-aminobutanoate + L-arginine = 4-guanidinobutanoate + L-ornithine
Catalysed by SHMT1, SLC7A6, GATMextracellular space, cytosol
- L-threonine = acetaldehyde + glycine
- transport of glycine and phenylalanine (cytosol to extracellular)
- L-dopa(out) + L-phenylalanine(in) = L-dopa(in) + L-phenylalanine(out)
Catalysed by SHMT1, SLC7A5, SLC7A8extracellular space, cytosol, inner side of the membrane, outer side of the membraneOne of 3 routes
- L-threonine = acetaldehyde + glycine
- Acetaldehyde:NAD+ oxidoreductase
- N-acetyl-D-glucosamine 6-phosphate + H2O = D-glucosamine 6-phosphate + acetate
Catalysed by SHMT1, ALDH3A1, ALDH3B1, ALDH1A3 and 2 morecytosolOne of 4 routes
- L-threonine(in) + L-glutamine(out) + Na(+)(out) = L-threonine(out) + L-glutamine(in) + Na(+)(in)
- L-aspartate(in) + L-glutamine(out) = L-aspartate(out) + L-glutamine(in)
- IMP:L-aspartate ligase (GDP-forming)
Catalysed by SLC1A5, SLC7A13, ADSS2, ADSS1inner side of the membrane, outer side of the membrane, cytosolOne of 2 routes
- L-threonine = acetaldehyde + glycine
- transport of arginine and glycine (cytosol to extracellular)
- beta-alanine + L-arginine = 3-guanidinopropanoate + L-ornithine
Catalysed by SHMT1, SLC7A6, GATMextracellular space, cytosolOne of 2 routes
- L-threonine = acetaldehyde + glycine
- L-Arginine:glycine amidinotransferase
- L-histidine(in) + L-ornithine(out) + H(+)(in) = L-histidine(out) + L-ornithine(in) + H(+)(out)
Catalysed by SHMT1, GATM, SLC25A2cytosol, inner side of the membrane, outer side of the membraneOne of 7 routes
- L-threonine(in) + L-glutamine(out) + Na(+)(out) = L-threonine(out) + L-glutamine(in) + Na(+)(in)
- L-glutamine:D-fructose-6-phosphate isomerase (deaminating)
- alpha-D-glucosamine 6-phosphate + H2O = beta-D-fructose 6-phosphate + NH4(+)
Catalysed by SLC1A5, GFPT2, GFPT1, GNPDA1 and 1 moreinner side of the membrane, outer side of the membrane, cytosol
- L-threonine = acetaldehyde + glycine
- L-Arginine:glycine amidinotransferase
- D-ornithine(in) + L-ornithine(out) = D-ornithine(out) + L-ornithine(in)
Catalysed by SHMT1, GATM, SLC25A2cytosol, inner side of the membrane, outer side of the membraneOne of 2 routes
- L-threonine = acetaldehyde + glycine
- transport of cysteine and glycine (cytosol to extracellular)
- L-Cysteine:2-oxoglutarate aminotransferase
Catalysed by SHMT1, SLC3A2, SLC7A5, SLC7A8 and 2 moreextracellular space, cytosolOne of 5 routes
- L-threonine = acetaldehyde + glycine
- gamma-L-glutamyl-L-cysteine:glycine ligase (ADP-forming)
- alcohol dehydrogenase (formaldehyde)
Catalysed by SHMT1, GSS, ADH1C, ADH1A and 4 morecytosolOne of 2 routes
- L-threonine = acetaldehyde + glycine
- bile acid-CoA: amino acid N-acyltransferase
- acyl-CoA:sphingosine N-acyltransferase
Catalysed by SHMT1, BAAT, ASAH1, ACER2 and 2 moreperoxisome, Golgi apparatusOne of 2 routes
- L-threonine = acetaldehyde + glycine
- bile acid-CoA: amino acid N-acyltransferase
- diamine N-acetyltransferase (N1-acetylspermidine)
Catalysed by SHMT1, BAAT, SAT1, SAT2peroxisome, cytosolOne of 3 routes
- L-threonine = acetaldehyde + glycine
- transport of glycine and tyrosine (cytosol to extracellular)
- L-Tyrosine,L-dopa:oxygen oxidoreductase
Catalysed by SHMT1, SLC7A5, TYRextracellular space, cytosolOne of 2 routes
- L-threonine = acetaldehyde + glycine
- transport of glycine and lysine (cytosol to extracellular)
- N6-(L-1,3-Dicarboxypropyl)-L-lysine:NADP+ oxidoreductase (L-lysine-forming)
Catalysed by SHMT1, SLC7A6, AASSextracellular space, cytosol, mitochondrial matrix
- L-threonine = acetaldehyde + glycine
- transport of arginine and glycine (cytosol to extracellular)
- taurine + L-arginine = taurocyamine + L-ornithine
Catalysed by SHMT1, SLC7A6, GATMextracellular space, cytosol
- L-threonine(in) + L-glutamine(out) + Na(+)(out) = L-threonine(out) + L-glutamine(in) + Na(+)(in)
- L-aspartate(in) + L-glutamine(out) = L-aspartate(out) + L-glutamine(in)
- N(4)-(beta-N-acetyl-D-glucosaminyl)-L-asparagine + H2O = N-acetyl-beta-D-glucosaminylamine + L-aspartate + H(+)
Catalysed by SLC1A5, SLC7A13, AGAinner side of the membrane, outer side of the membrane
- L-threonine = acetaldehyde + glycine
- succinyl-CoA:glycine C-succinyltransferase (decarboxylating)
- 5-aminolevulinate hydro-lyase (adding 5-aminolevulinate and cyclizing
Catalysed by SHMT1, ALAS1, ALAS2, CPNE7 and 1 moremitochondrial matrix, cytosolOne of 2 routes
- L-threonine = acetaldehyde + glycine
- bile acid-CoA: amino acid N-acyltransferase
- N-acetylglutamate synthase (N-acetyl-L-cystathionine)
Catalysed by SHMT1, BAAT, NAGSperoxisome, mitochondrial matrix
- L-threonine = acetaldehyde + glycine
- transport of cysteine and glycine (cytosol to extracellular)
- L-glutamate:L-cysteine gamma-ligase (ADP-forming)
Catalysed by SHMT1, SLC3A2, SLC7A5, SLC7A8 and 2 moreextracellular space, cytosolOne of 2 routes
- L-threonine = acetaldehyde + glycine
- transport of glycine and lysine (cytosol to extracellular)
- L-lysine:oxygen 2-oxidoreductase (deaminating)
Catalysed by SHMT1, SLC7A6extracellular space, cytosol, peroxisome
- L-threonine = acetaldehyde + glycine
- transport of glycine and methionine (cytosol to extracellular)
- S-methyl-L-methionine + L-homocysteine = 2 L-methionine + H(+)
Catalysed by SHMT1, SLC7A5, BHMT2extracellular space, cytosol
- L-threonine = acetaldehyde + glycine
- sarcosine + O2 + H2O = formaldehyde + glycine + H2O2
- (6S)-5,6,7,8-tetrahydrofolyl-(gamma-L-Glu)(n) + N,N-dimethylglycine + oxidized [electron-transfer flavoprotein] + H(+) = (6R)-5,10-methylenetetrahydrofolyl-(gamma-L-Glu)(n) + sarcosine + reduced [electron-transfer flavoprotein]
- L-threonine = acetaldehyde + glycine
- transport of glycine and methionine (cytosol to extracellular)
- S-methyl-L-methionine + L-homocysteine = 2 L-methionine + H(+)
Catalysed by SHMT1, SLC7A5, BHMT2extracellular space, cytosol
- L-threonine = acetaldehyde + glycine
- Acetaldehyde:NAD+ oxidoreductase
- N-acetylputrescine + H2O = putrescine + acetate
Catalysed by SHMT1, ALDH3A1, ALDH3B1, ALDH1A3 and 2 morecytosol
- L-threonine = acetaldehyde + glycine
- gamma-L-glutamyl-L-cysteine:glycine ligase (ADP-forming)
- Glutathione: 5-HPETE oxidoreductase
Catalysed by SHMT1, GSS, GPX5, GPX1 and 7 morecytosolOne of 36 routes
- L-threonine = acetaldehyde + glycine
- gamma-L-glutamyl-L-cysteine:glycine ligase (ADP-forming)
- transport of GSH and sulfotaurolithocholate (cytosol to extracellular)
Catalysed by SHMT1, GSS, SLCO1A2, SLCO1B3cytosol, extracellular spaceOne of 2 routes