CHEBI:16857
362,296 routes · scope human · up to 3 steps · built 5 October 2026 · Reactions · API
947 compounds within 3 steps: 24 in 1, 291 in 2, 632 in 3
Three steps
- L-threonine acetaldehyde-lyase (glycine-forming)
- 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-lyase (glycine-forming)
- Acetaldehyde:NAD+ oxidoreductase
- N-acetylputrescine + H2O = putrescine + acetate
Catalysed by ALDH3A1, ALDH3B1, ALDH1A3, ALDH3B2 and 1 morecytosolOne of 3 routes
- transport of arginine and threonine (cytosol to extracellular)
- Putrescine Export via Putrescine/Arginine Antiporter
- putrescine + O2 + H2O = 4-aminobutanal + H2O2 + NH4(+)
Catalysed by SLC7A6, SLC3A2, SLC7A7, AOC1extracellular space, cytosol
- transport of ornithine and threonine (cytosol to extracellular)
- L-ornithine + 2-oxoglutarate = L-glutamate 5-semialdehyde + L-glutamate
- L-glutamate 5-semialdehyde + phosphate + NADP(+) = L-glutamyl 5-phosphate + NADPH + H(+)
Catalysed by SLC7A6, OAT, ALDH18A1extracellular space, cytosol
- L-threonine acetaldehyde-lyase (glycine-forming)
- gamma-L-glutamyl-L-cysteine:glycine ligase (ADP-forming)
- Glutathione: 5-HPETE oxidoreductase
Catalysed by GSS, GPX5, GPX1, GPX2 and 6 morecytosolOne of 36 routes
- Acetylation of Threonine
- Palmitate:CoA ligase (AMP-forming)
- Palmitoyl-CoA:L-serine C-palmitoyltransferase (decarboxylating)
Catalysed by SLC27A2, ACSL4, ACSL3, ACSL1 and 7 moremitochondrial matrix, cytosol
- L-threonine acetaldehyde-lyase (glycine-forming)
- gamma-L-glutamyl-L-cysteine:glycine ligase (ADP-forming)
- transport of GSH and sulfotaurolithocholate (cytosol to extracellular)
Catalysed by GSS, SLCO1A2, SLCO1B3cytosol, extracellular spaceOne of 2 routes
- Acetylation of Threonine
- Palmitate:CoA ligase (AMP-forming)
- glyceronephosphate O-acyltransferase (DHAP)
Catalysed by SLC27A2, ACSL4, ACSL3, ACSL1 and 5 moremitochondrial matrix, cytosol, peroxisome
- transport of lysine and threonine (cytosol to extracellular)
- N6-(L-1,3-Dicarboxypropyl)-L-lysine:NADP+ oxidoreductase (L-lysine-forming)
- L-saccharopine + NAD(+) + H2O = (S)-2-amino-6-oxohexanoate + L-glutamate + NADH + H(+)
Catalysed by SLC7A6, AASSextracellular space, cytosol, mitochondrial matrix
- transport of arginine and threonine (cytosol to extracellular)
- Putrescine Export via Putrescine/Arginine Antiporter
- N(1)-acetylspermidine + O2 + H2O = 3-acetamidopropanal + putrescine + H2O2
Catalysed by SLC7A6, SLC3A2, SLC7A7, PAOXextracellular space, cytosolOne of 2 routes
- transport of lysine and threonine (cytosol to extracellular)
- deoxyhypusine synthase (1,3-diaminopropane)
- primary-amine oxidase (1,3-diaminopropane)
Catalysed by SLC7A6, DHPS, AOC2, AOC1 and 1 moreextracellular space, cytosolOne of 2 routes
- L-threonine acetaldehyde-lyase (glycine-forming)
- N(omega),N(omega)-dimethyl-L-arginine + glyoxylate = 5-(3,3-dimethylguanidino)-2-oxopentanoate + glycine
- 2-oxopentanoate + N(omega),N(omega)-dimethyl-L-arginine = 5-(3,3-dimethylguanidino)-2-oxopentanoate + L-2-aminopentanoate
Catalysed by AGXT2cytosolOne of 2 routes
- transport of alanine and threonine (cytosol to extracellular)
- oxaloacetate + L-alanine = L-aspartate + pyruvate
- 1-(5-Phosphoribosyl)-5-amino-4-carboxyimidazole:L-aspartate ligase (ADP-forming)
Catalysed by SLC7A5, AGXT2, PAICSextracellular space, cytosolOne of 2 routes
- L-threonine acetaldehyde-lyase (glycine-forming)
- gamma-L-glutamyl-L-cysteine:glycine ligase (ADP-forming)
- transport of GSH and thyroxine (cytosol to extracellular)
Catalysed by GSS, SLCO1A2, SLCO1B3cytosol, extracellular spaceOne of 4 routes
- L-threonine acetaldehyde-lyase (glycine-forming)
- N(omega),N(omega)-dimethyl-L-arginine + glyoxylate = 5-(3,3-dimethylguanidino)-2-oxopentanoate + glycine
- 2-oxohexanoate + N(omega),N(omega)-dimethyl-L-arginine = L-2-aminohexanoate + 5-(3,3-dimethylguanidino)-2-oxopentanoate
Catalysed by AGXT2cytosolOne of 2 routes
- L-threonine acetaldehyde-lyase (glycine-forming)
- Acetaldehyde:NAD+ oxidoreductase
- N(8)-acetylspermidine + H2O = spermidine + acetate
Catalysed by ALDH3A1, ALDH3B1, ALDH1A3, ALDH3B2 and 1 morecytosolOne of 4 routes
- Acetylation of Threonine
- N1,N12-diacetylspermine to N1-acetylspermine conversion
- N1,N12-diacetylspermine to N1-acetylspermine conversion
No catalyst recordedmitochondrial matrix, cytosolOne of 2 routes
- Acetylation of Threonine
- long-chain-fatty-acid-CoA ligase (EPA)
- (5Z,8Z,11Z,14Z,17Z)-eicosapentaenoyl-CoA hydrolase
Catalysed by SLC27A2, ACSL4, ACSL3, ACSL1 and 7 moremitochondrial matrix, cytosolOne of 2 routes
- transport of histidine and threonine (cytosol to extracellular)
- L-histidine carboxy-lyase (histamine-forming)
- S-Adenosyl-L-methionine:histamine N-tele-methyltransferase
Catalysed by SLC7A6, HDC, HNMTextracellular space, cytosolOne of 3 routes
- Acetylation of Threonine
- acyl-CoA:sphingosine N-acyltransferase
- a 1-acyl-sn-glycero-3-phosphate + an acyl-CoA = a 1,2-diacyl-sn-glycero-3-phosphate + CoA
Catalysed by ASAH1, ACER2, ACER1, ASAH2 and 13 moremitochondrial matrix, Golgi apparatus
- transport of alanine and threonine (cytosol to extracellular)
- L-kynurenine + H2O = anthranilate + L-alanine + H(+)
- 2-oxoadipate + L-kynurenine = L-2-aminoadipate + kynurenate + H2O
Catalysed by SLC7A5, KYNU, AADATextracellular space, cytosol
- L-threonine acetaldehyde-lyase (glycine-forming)
- Acetaldehyde:NAD+ oxidoreductase
- an N-acetyl-L-cysteine-S-conjugate + H2O = an S-substituted L-cysteine + acetate
Catalysed by ALDH3A1, ALDH3B1, ALDH1A3, ALDH3B2 and 1 morecytosol
- L-threonine acetaldehyde-lyase (glycine-forming)
- gamma-L-glutamyl-L-cysteine:glycine ligase (ADP-forming)
- Sulfide:glutathione,quinone oxidoreductase
Catalysed by GSS, SQORcytosol, mitochondrial matrixOne of 8 routes
- L-threonine acetaldehyde-lyase (glycine-forming)
- 2-deoxy-D-ribose 5-phosphate = D-glyceraldehyde 3-phosphate + acetaldehyde
- 2-deoxy-D-ribose 5-phosphate = D-glyceraldehyde 3-phosphate + acetaldehyde
Catalysed by DERAcytosol
- transport of leucine and threonine (cytosol to extracellular)
- L-Leucine:2-oxoglutarate aminotransferase
- 4-methyl-2-oxopentanoate reduction
Catalysed by SLC7A5, BCAT2, SDR42E2, AKR1B15 and 16 moreextracellular space, cytosol, mitochondrial matrix
- transport of alanine and threonine (cytosol to extracellular)
- L-kynurenine + H2O = anthranilate + L-alanine + H(+)
- an L-alpha-amino acid(in) + L-kynurenine(out) = an L-alpha-amino acid(out) + L-kynurenine(in)
Catalysed by SLC7A5, KYNU, SLC7A11extracellular space, cytosol, inner side of the membrane, outer side of the membraneOne of 2 routes
- L-threonine acetaldehyde-lyase (glycine-forming)
- gamma-L-glutamyl-L-cysteine:glycine ligase (ADP-forming)
- transport of dopamine and GSH (cytosol to extracellular)
Catalysed by GSS, SLCO1A2, SLCO1B3cytosol, extracellular spaceOne of 4 routes
- Acetylation of Threonine
- long-chain-fatty-acid-CoA ligase ((6Z,9Z)-octadecadienoic acid)
- (9Z,12Z)-octadecadienoyl-CoA + a 1-acyl-sn-glycero-3-phosphocholine = 1-acyl-2-(9Z,12Z)-octadecadienoyl-sn-glycero-3-phosphocholine + CoA
Catalysed by SLC27A2, ACSL4, ACSL3, ACSL1 and 5 moremitochondrial matrix, cytosol
- transport of cysteine and threonine (cytosol to extracellular)
- Mo-molybdopterin + L-cysteine + AH2 = thio-Mo-molybdopterin + L-alanine + A + H2O
- a 2,3-saturated acyl-CoA + A = a 2,3-dehydroacyl-CoA + AH2
Catalysed by SLC7A5, MOCOS, ACAD10extracellular space, cytosol
- Transport of L-Threonine by Atb0 Transporter
- transport of chloride and sulfate (cytosol to extracellular)
- estrone 3-sulfate + H2O = estrone + sulfate + H(+)
Catalysed by SLC6A14, SLC26A6, STSextracellular space, cytosol
- Acetylation of Threonine
- acyl-CoA:sphingosine N-acyltransferase
- sphing-4-enine + ATP = sphing-4-enine 1-phosphate + ADP + H(+)
Catalysed by ASAH1, ACER2, ACER1, ASAH2 and 2 moremitochondrial matrix, Golgi apparatus
- L-threonine acetaldehyde-lyase (glycine-forming)
- gamma-L-glutamyl-L-cysteine:glycine ligase (ADP-forming)
- transport of GSH and prostaglandin E2 (cytosol to extracellular)
Catalysed by GSS, SLCO1A2, SLCO1B3cytosol, extracellular spaceOne of 2 routes
- Acetylation of Threonine
- long-chain-fatty-acid-CoA ligase (myristic acid)
- trans-tetradec-2-enoyl-CoA reductase
Catalysed by SLC27A2, ACSL4, ACSL3, ACSL1 and 5 moremitochondrial matrix, cytosolOne of 5 routes
Catalysed by ACSM4, ACSM1, ACSM2A, ACSM3 and 3 moremitochondrial matrix, cytosolOne of 8 routes
- transport of cysteine and threonine (cytosol to extracellular)
- Mo-molybdopterin + L-cysteine + AH2 = thio-Mo-molybdopterin + L-alanine + A + H2O
- Fe(II)-heme o + 2 A + H2O = Fe(II)-heme a + 2 AH2
Catalysed by SLC7A5, MOCOS, COX15extracellular space, cytosol
- transport of cysteine and threonine (cytosol to extracellular)
- (R)-4'-phosphopantothenate:L-cysteine ligase
- N-[(R)-4-phosphopantothenoyl]-L-cysteine + H(+) = (R)-4'-phosphopantetheine + CO2
Catalysed by SLC7A5, PPCS, PPCDCextracellular space, cytosol
Catalysed by ACSM4, ACSM1, ACSM2A, ACSM3 and 3 moremitochondrial matrix, cytosolOne of 3 routes
- Acetylation of Threonine
- acyl-CoA:sphingosine N-acyltransferase
- 1'-[1,2-diacyl-sn-glycero-3-phospho],3'-[1-acyl-sn-glycero-3-phospho]-glycerol + an acyl-CoA = a cardiolipin + CoA
Catalysed by ASAH1, ACER2, ACER1, ASAH2 and 1 moremitochondrial matrix, Golgi apparatus
- Acetylation of Threonine
- long-chain-fatty-acid-CoA ligase (lauric acid)
- dodecanoyl-CoA + malonyl-CoA + H(+) = 3-oxotetradecanoyl-CoA + CO2 + CoA
Catalysed by SLC27A2, ACSL4, ACSL3, ACSL1 and 5 moremitochondrial matrix, cytosol