CHEBI:18095
362,296 routes · scope human · up to 3 steps · built 5 October 2026 · Reactions · API
499 compounds within 3 steps: 3 in 1, 64 in 2, 432 in 3
Three steps
- transport of trans-4-hydroxy-L-proline (cytosol to extracellular)
- transport of arginine and chloride (cytosol to extracellular)
- 2-(Nomega-L-arginino)succinate arginine-lyase (fumarate-forming)
Catalysed by CLTRN, SLC6A20, SLC6A14, ASLextracellular space, cytosolOne of 6 routes
- transport of trans-4-hydroxy-L-proline (cytosol to extracellular)
- transport of beta-alanine and chloride (cytosol to extracellular)
- beta-alanine + L-histidine + ATP = carnosine + ADP + phosphate + H(+)
Catalysed by CLTRN, SLC6A20, SLC6A6, SLC6A14 and 1 moreextracellular space, cytosol
- transport of trans-4-hydroxy-L-proline (cytosol to extracellular)
- transport of arginine and chloride (cytosol to extracellular)
- 4-aminobutanoate + L-arginine = 4-guanidinobutanoate + L-ornithine
Catalysed by CLTRN, SLC6A20, SLC6A14, GATMextracellular space, cytosolOne of 2 routes
- transport of trans-4-hydroxy-L-proline (cytosol to extracellular)
- Transport of L-Phenylalanine by Atb0 Transporter
- L-dopa(out) + L-phenylalanine(in) = L-dopa(in) + L-phenylalanine(out)
Catalysed by CLTRN, SLC6A20, SLC6A14, SLC7A8extracellular space, cytosol, inner side of the membrane, outer side of the membraneOne of 2 routes
- Transport of Hydroxy-Proline
- oxaloacetate + L-alanine = L-aspartate + pyruvate
- IMP:L-aspartate ligase (GDP-forming)
Catalysed by SLC1A4, AGXT2, ADSS2, ADSS1extracellular space, cytosolOne of 2 routes
- transport of trans-4-hydroxy-L-proline (cytosol to extracellular)
- Carnitine Transport by Atb0
- Acetyl-CoA:carnitine O-acetyltransferase
Catalysed by CLTRN, SLC6A20, SLC6A14, CPT1A and 2 moreextracellular space, cytosolOne of 9 routes
- transport of trans-4-hydroxy-L-proline (cytosol to extracellular)
- transport of arginine and chloride (cytosol to extracellular)
- beta-alanine + L-arginine = 3-guanidinopropanoate + L-ornithine
Catalysed by CLTRN, SLC6A20, SLC6A14, GATMextracellular space, cytosolOne of 2 routes
- transport of trans-4-hydroxy-L-proline (cytosol to extracellular)
- Transport of L-Phenylalanine by Atb0 Transporter
- L-histidine(in) + L-phenylalanine(out) = L-histidine(out) + L-phenylalanine(in)
Catalysed by CLTRN, SLC6A20, SLC6A14, SLC7A8extracellular space, cytosol, inner side of the membrane, outer side of the membraneOne of 7 routes
- Transport of Hydroxy-Proline
- transport of alanine and ornithine (cytosol to extracellular)
- D-ornithine(in) + L-ornithine(out) = D-ornithine(out) + L-ornithine(in)
Catalysed by SLC1A4, SLC7A6, SLC25A2extracellular space, cytosol, inner side of the membrane, outer side of the membraneOne of 2 routes
- transport of trans-4-hydroxy-L-proline (cytosol to extracellular)
- transport of chloride and glycine (cytosol to extracellular)
- an acyl-CoA + glycine = an N-acylglycine + CoA + H(+)
Catalysed by CLTRN, SLC6A20, SLC6A9, SLC6A14 and 3 moreextracellular space, cytosol
- transport of trans-4-hydroxy-L-proline (cytosol to extracellular)
- transport of chloride and cysteine (cytosol to extracellular)
- L-Cysteine:2-oxoglutarate aminotransferase
Catalysed by CLTRN, SLC6A20, SLC6A14, GOT2 and 1 moreextracellular space, cytosolOne of 5 routes
- Transport of Hydroxy-Proline
- (R)-3-Amino-2-methylpropanoate:pyruvate aminotransferase
- (R)-3-amino-2-methylpropanoate + pyruvate = 2-methyl-3-oxopropanoate + L-alanine
Catalysed by SLC1A4, AGXT2extracellular space, cytosol, mitochondrial matrix
- transport of trans-4-hydroxy-L-proline (cytosol to extracellular)
- transport of 4-aminobutyrate and chloride (cytosol to extracellular)
- 4-aminobutanoate + 2-oxoglutarate = succinate semialdehyde + L-glutamate
Catalysed by CLTRN, SLC6A20, SLC6A12, ABATextracellular space, cytosol
- Transport of Hydroxy-Proline
- amino-acid N-acetyltransferase (N-acetyl-L-alanine)
- acyl-CoA:sphingosine N-acyltransferase
Catalysed by SLC1A4, ASAH1, ACER2, ACER1 and 1 moreextracellular space, cytosol, mitochondrial matrix, Golgi apparatusOne of 2 routes
- Transport of Hydroxy-Proline
- amino-acid N-acetyltransferase (N-acetyl-L-alanine)
- diamine N-acetyltransferase (N1-acetylspermidine)
Catalysed by SLC1A4, SAT1, SAT2extracellular space, cytosol, mitochondrial matrixOne of 3 routes
- transport of trans-4-hydroxy-L-proline (cytosol to extracellular)
- transport of chloride and sulfate (cytosol to extracellular)
- N-sulfo-D-glucosamine + H2O = D-glucosamine + sulfate
Catalysed by CLTRN, SLC6A20, SLC26A6, SGSHextracellular space, cytosol
- transport of trans-4-hydroxy-L-proline (cytosol to extracellular)
- transport of chloride and sulfate (cytosol to extracellular)
- dehydroepiandrosterone 3-sulfate + H2O = 3beta-hydroxyandrost-5-en-17-one + sulfate + H(+)
Catalysed by CLTRN, SLC6A20, SLC26A6, STSextracellular space, cytosol
- transport of trans-4-hydroxy-L-proline (cytosol to extracellular)
- Transport of L-Tyrosine by Atb0 Transporter
- L-Tyrosine,L-dopa:oxygen oxidoreductase
Catalysed by CLTRN, SLC6A20, SLC6A14, TYRextracellular space, cytosol
- transport of trans-4-hydroxy-L-proline (cytosol to extracellular)
- transport of chloride and glycine (cytosol to extracellular)
- gamma-L-glutamyl-L-cysteine + glycine + ATP = glutathione + ADP + phosphate + H(+)
Catalysed by CLTRN, SLC6A20, SLC6A9, SLC6A14 and 1 moreextracellular space, cytosolOne of 2 routes
- transport of trans-4-hydroxy-L-proline (cytosol to extracellular)
- transport of chloride and lysine (cytosol to extracellular)
- N6-(L-1,3-Dicarboxypropyl)-L-lysine:NADP+ oxidoreductase (L-lysine-forming)
Catalysed by CLTRN, SLC6A20, SLC6A14, AASSextracellular space, cytosol, mitochondrial matrix
- transport of trans-4-hydroxy-L-proline (cytosol to extracellular)
- transport of chloride and glycine (cytosol to extracellular)
- leukotriene C4 hydrolysis
Catalysed by CLTRN, SLC6A20, SLC6A9, SLC6A14extracellular space, cytosol
- Transport of Hydroxy-Proline
- N(omega),N(omega)-dimethyl-L-arginine + pyruvate = 5-(3,3-dimethylguanidino)-2-oxopentanoate + L-alanine
- Nomega,Nomega'-dimethyl-L-arginine dimethylamidohydrolase
Catalysed by SLC1A4, AGXT2, DDAH1extracellular space, cytosolOne of 2 routes
- transport of trans-4-hydroxy-L-proline (cytosol to extracellular)
- Neurotransmitter:Sodium Symporter (Nss) Tcdb:2.A.22.3.3
- taurine + L-arginine = taurocyamine + L-ornithine
Catalysed by CLTRN, SLC6A20, SLC6A6, GATMextracellular space, cytosolOne of 2 routes
- Transport of Hydroxy-Proline
- transport of alanine and ornithine (cytosol to extracellular)
- L-ornithine + 2-oxoglutarate = L-glutamate 5-semialdehyde + L-glutamate
Catalysed by SLC1A4, SLC7A6, OATextracellular space, cytosol
- transport of trans-4-hydroxy-L-proline (cytosol to extracellular)
- Neurotransmitter:Sodium Symporter (Nss) Tcdb:2.A.22.3.3
- L-cysteate + H(+) = taurine + CO2
Catalysed by CLTRN, SLC6A20, SLC6A6, GADL1 and 1 moreextracellular space, cytosol
- Transport of Hydroxy-Proline
- amino-acid N-acetyltransferase (N-acetyl-L-alanine)
- N-acetylglutamate synthase (N-acetyl-L-cystathionine)
Catalysed by SLC1A4, NAGSextracellular space, cytosol, mitochondrial matrix
- transport of trans-4-hydroxy-L-proline (cytosol to extracellular)
- transport of chloride and cysteine (cytosol to extracellular)
- L-glutamate:L-cysteine gamma-ligase (ADP-forming)
Catalysed by CLTRN, SLC6A20, SLC6A14, GCLC and 1 moreextracellular space, cytosolOne of 2 routes
- transport of trans-4-hydroxy-L-proline (cytosol to extracellular)
- transport of chloride and lysine (cytosol to extracellular)
- L-lysine:oxygen 2-oxidoreductase (deaminating)
Catalysed by CLTRN, SLC6A20, SLC6A14extracellular space, cytosol, peroxisome
- transport of trans-4-hydroxy-L-proline (cytosol to extracellular)
- transport of chloride and methionine (cytosol to extracellular)
- S-methyl-L-methionine + L-homocysteine = 2 L-methionine + H(+)
Catalysed by CLTRN, SLC6A20, SLC6A14, BHMT2extracellular space, cytosol
- transport of trans-4-hydroxy-L-proline (cytosol to extracellular)
- Transport of L-Glutamine by Atb0 Transporter
- HCO3-:L-glutamine amido-ligase (ADP-forming, carbamate-phosphorylating)
Catalysed by CLTRN, SLC6A20, SLC6A14, CADextracellular space, cytosolOne of 4 routes
- transport of trans-4-hydroxy-L-proline (cytosol to extracellular)
- transport of chloride and sulfate (cytosol to extracellular)
- ATP:sulfate adenylyltransferase
Catalysed by CLTRN, SLC6A20, SLC26A6, PAPSS1 and 1 moreextracellular space, cytosolOne of 4 routes
- transport of trans-4-hydroxy-L-proline (cytosol to extracellular)
- transport of betaine and chloride (cytosol to extracellular)
- L-homocysteine + glycine betaine = N,N-dimethylglycine + L-methionine
Catalysed by CLTRN, SLC6A20, SLC6A12, BHMTextracellular space, cytosol
- transport of trans-4-hydroxy-L-proline (cytosol to extracellular)
- transport of chloride and methionine (cytosol to extracellular)
- S-methyl-L-methionine + L-homocysteine = 2 L-methionine + H(+)
Catalysed by CLTRN, SLC6A20, SLC6A14, BHMT2extracellular space, cytosol
- Transport of Hydroxy-Proline
- Transport of L-Cystine (L-Alanine antiport) by B0, +At Transporter
- cystine to cysteine conversion
Catalysed by SLC1A4, SLC7A9, SLC3A1extracellular space, cytosol
- transport of trans-4-hydroxy-L-proline (cytosol to extracellular)
- transport of chloride and glycine (cytosol to extracellular)
- L-tyrosine + glyoxylate = 3-(4-hydroxyphenyl)pyruvate + glycine
Catalysed by CLTRN, SLC6A20, SLC6A9, SLC6A14 and 1 moreextracellular space, cytosolOne of 4 routes
- Transport of Hydroxy-Proline
- amino-acid N-acetyltransferase (N-acetyl-L-alanine)
- acyl-CoA:sphingosine N-acyltransferase
Catalysed by SLC1A4, ASAH1, ACER2, ACER1 and 1 moreextracellular space, cytosol, mitochondrial matrix, Golgi apparatusOne of 2 routes
- transport of trans-4-hydroxy-L-proline (cytosol to extracellular)
- transport of chloride and histidine (cytosol to extracellular)
- L-histidine carboxy-lyase (histamine-forming)
Catalysed by CLTRN, SLC6A20, SLC6A14, HDCextracellular space, cytosol
- Transport of Hydroxy-Proline
- L-kynurenine + H2O = anthranilate + L-alanine + H(+)
- 2-oxopentanoate + L-kynurenine = L-2-aminopentanoate + kynurenate + H2O
Catalysed by SLC1A4, KYNU, AADATextracellular space, cytosolOne of 2 routes
- Transport of Hydroxy-Proline
- oxaloacetate + L-alanine = L-aspartate + pyruvate
- 1-(5-Phosphoribosyl)-5-amino-4-carboxyimidazole:L-aspartate ligase (ADP-forming)
Catalysed by SLC1A4, AGXT2, PAICSextracellular space, cytosolOne of 2 routes
- transport of trans-4-hydroxy-L-proline (cytosol to extracellular)
- transport of chloride and iodide (cytosol to extracellular)
- 3,3',5-triiodo-L-thyronine,iodide:acceptor oxidoreductase (iodinating)
Catalysed by CLTRN, SLC6A20, SLC26A4, DIO1 and 1 moreextracellular space, cytosolOne of 2 routes
- Transport of Hydroxy-Proline
- L-kynurenine + H2O = anthranilate + L-alanine + H(+)
- Kynurenine-Oxoglutarate Transaminase
Catalysed by SLC1A4, KYNU, KYAT3, AADATextracellular space, cytosol, mitochondrial matrixOne of 13 routes
- Transport of Hydroxy-Proline
- L-kynurenine + H2O = anthranilate + L-alanine + H(+)
- 2-oxohexanoate + L-kynurenine = L-2-aminohexanoate + kynurenate + H2O
Catalysed by SLC1A4, KYNU, AADATextracellular space, cytosolOne of 2 routes
- transport of trans-4-hydroxy-L-proline (cytosol to extracellular)
- transport of arginine and chloride (cytosol to extracellular)
- L-arginine + O2 + H2O = 5-guanidino-2-oxopentanoate + H2O2 + NH4(+)
Catalysed by CLTRN, SLC6A20, SLC6A14, IL4I1extracellular space, cytosol
- Transport of Hydroxy-Proline
- amino-acid N-acetyltransferase (N-acetyl-L-alanine)
- acetyl-CoA C-acyltransferase (3-oxomyrist-5-enoyl-CoA)
Catalysed by SLC1A4, HADHA, ACAA2, HADHBextracellular space, cytosol, mitochondrial matrixOne of 3 routes
- transport of trans-4-hydroxy-L-proline (cytosol to extracellular)
- transport of chloride and cysteine (cytosol to extracellular)
- 2 L-cysteine = S-sulfanyl-L-cysteine + L-alanine
Catalysed by CLTRN, SLC6A20, SLC6A14, CARS2extracellular space, cytosol
- transport of trans-4-hydroxy-L-proline (cytosol to extracellular)
- Transport of L-Tryptophan by Atb0 Transporter
- L-tryptophan + O2 = N-formyl-L-kynurenine
Catalysed by CLTRN, SLC6A20, SLC6A14, IDO1 and 2 moreextracellular space, cytosolOne of 2 routes
- Transport of Hydroxy-Proline
- (R)-3-Amino-2-methylpropanoate:pyruvate aminotransferase
- (3S)-citramalyl-CoA = pyruvate + acetyl-CoA
Catalysed by SLC1A4, AGXT2, CLYBLextracellular space, cytosol, mitochondrial matrix
- Transport of Hydroxy-Proline
- L-kynurenine + H2O = anthranilate + L-alanine + H(+)
- 2-oxoadipate + L-kynurenine = L-2-aminoadipate + kynurenate + H2O
Catalysed by SLC1A4, KYNU, AADATextracellular space, cytosol