L,L-cystathionine
362,296 routes · scope human · up to 3 steps · built 5 October 2026 · Reactions · API
739 compounds within 3 steps: 4 in 1, 155 in 2, 580 in 3
Three steps
- N-acetylglutamate synthase (N-acetyl-L-cystathionine)
- long-chain-fatty-acid-CoA ligase (DHA)
- (4Z,7Z,10Z,13Z,16Z,19Z)-docosahexaenoyl-CoA + O2 = (2E,4Z,7Z,10Z,13Z,16Z,19Z)-docosaheptaenoyl-CoA + H2O2
Catalysed by NAGS, SLC27A2, ACSL4, ACSL3 and 6 moremitochondrial matrix, cytosol
- N-acetylglutamate synthase (N-acetyl-L-cystathionine)
- acyl-CoA:sphingosine N-acyltransferase
- N-(9Z-octadecenoyl)-sphing-4-enine + H2O = sphing-4-enine + (9Z)-octadecenoate
Catalysed by NAGS, ASAH1, ACER2, ACER1 and 2 moremitochondrial matrix, Golgi apparatus
- N-acetylglutamate synthase (N-acetyl-L-cystathionine)
- Palmitoyl-CoA:retinol O-acyltransferase
- 11-cis-retinol = 9-cis-retinol
Catalysed by NAGS, DGAT1, LRAT, AWAT1 and 3 moremitochondrial matrix, cytosol
- L-cystathionine cysteine-lyase (deaminating
- cystine to cysteine conversion
- transport of GSH and ursodeoxycholate (cytosol to extracellular)
Catalysed by CTH, SLCO1A2, SLCO1B3cytosol, extracellular spaceOne of 2 routes
- N-acetylglutamate synthase (N-acetyl-L-cystathionine)
- long-chain-fatty-acid-CoA ligase (tricosanoic acid)
- Tricosanoyl-CoA hydrolase
Catalysed by NAGS, SLC27A2, ACSL4, ACSL3 and 7 moremitochondrial matrix, cytosol
- L-cystathionine cysteine-lyase (deaminating
- cystine to cysteine conversion
- transport of GSH and prostaglandin G2 (cytosol to extracellular)
Catalysed by CTH, SLCO2A1cytosol, extracellular spaceOne of 2 routes
- N-acetylglutamate synthase (N-acetyl-L-cystathionine)
- long-chain-fatty-acid-CoA ligase (stearate)
- Acyl-CoA:cholesterol O-acyltransferase
Catalysed by NAGS, SLC27A2, ACSL4, ACSL3 and 6 moremitochondrial matrix, cytosol, endoplasmic reticulumOne of 2 routes
- N-acetylglutamate synthase (N-acetyl-L-cystathionine)
- long-chain-fatty-acid-CoA ligase (stearate)
- hexadecasphinganine + octadecanoyl-CoA = N-octadecanoylhexadecasphinganine + CoA + H(+)
Catalysed by NAGS, SLC27A2, ACSL4, ACSL3 and 6 moremitochondrial matrix, cytosol
- N-acetylglutamate synthase (N-acetyl-L-cystathionine)
- long-chain-fatty-acid-CoA ligase (DHA)
- (4Z,7Z,10Z,13Z,16Z,19Z)-docosahexaenoyl-CoA + 1-hexadecanoyl-sn-glycero-3-phosphate = 1-hexadecanoyl-2-(4Z,7Z,10Z,13Z,16Z,19Z-docosahexaenoyl)-sn-glycero-3-phosphate + CoA
Catalysed by NAGS, SLC27A2, ACSL4, ACSL3 and 6 moremitochondrial matrix, cytosol
- N-acetylglutamate synthase (N-acetyl-L-cystathionine)
- long-chain-fatty-acid-CoA ligase (eicosanoate)
- eicosanoyl-CoA + 1-hexadecanoyl-sn-glycero-3-phosphocholine = 1-hexadecanoyl-2-eicosanoyl-sn-glycero-3-phosphocholine + CoA
Catalysed by NAGS, SLC27A2, ACSL4, ACSL3 and 6 moremitochondrial matrix, cytosol
- L-cystathionine cysteine-lyase (deaminating
- transport of cysteine and glycine (cytosol to extracellular)
- Glycodeoxycholate amidohydrolase
Catalysed by CTH, SLC3A2, SLC7A5, SLC7A8cytosol, extracellular spaceOne of 3 routes
- N-acetylglutamate synthase (N-acetyl-L-cystathionine)
- acyl-CoA:sphingosine N-acyltransferase
- sphing-4-enine + 2 Fe(II)-[cytochrome b5] + O2 + 2 H(+) = sphinga-4E,14Z-dienine + 2 Fe(III)-[cytochrome b5] + 2 H2O
Catalysed by NAGS, ASAH1, ACER2, ACER1 and 2 moremitochondrial matrix, Golgi apparatus
- N-acetylglutamate synthase (N-acetyl-L-cystathionine)
- long-chain-fatty-acid-CoA ligase ((6Z,9Z)-octadecadienoic acid)
- 1'-[1,2-di-(9Z,12Z-octadecadienoyl)-sn-glycero-3-phospho]-3'-[1-(9Z,12Z-octadecadienoyl)-sn-glycero-3-phospho]-glycerol + (9Z,12Z)-octadecadienoyl-CoA = 1',3'-bis-[1,2-di-(9Z,12Z-octadecadienoyl)-sn-glycero-3-phospho]-glycerol + CoA
Catalysed by NAGS, SLC27A2, ACSL4, ACSL3 and 6 moremitochondrial matrix, cytosol
- N-acetylglutamate synthase (N-acetyl-L-cystathionine)
- long-chain-fatty-acid-CoA ligase (stearate)
- a 1-acyl-sn-glycero-3-phospho-(1D-myo-inositol) + octadecanoyl-CoA = a 1-acyl-2-octadecanoyl-sn-glycero-3-phospho-(1D-myo-inositol) + CoA
Catalysed by NAGS, SLC27A2, ACSL4, ACSL3 and 5 moremitochondrial matrix, cytosol
- N-acetylglutamate synthase (N-acetyl-L-cystathionine)
- long-chain-fatty-acid-CoA ligase (palmitolate)
- (9Z)-hexadecenoyl-CoA + cholesterol = cholesteryl (9Z)-hexadecenoate + CoA
Catalysed by NAGS, SLC27A2, ACSL4, ACSL3 and 6 moremitochondrial matrix, cytosol
- N-acetylglutamate synthase (N-acetyl-L-cystathionine)
- long-chain-fatty-acid-CoA ligase (linolenate)
- (9Z,12Z,15Z)-octadecatrienoyl-CoA + cholesterol = (9Z,12Z,15Z-octadecatrienoyl)-cholesterol + CoA
Catalysed by NAGS, SLC27A2, ACSL4, ACSL3 and 6 moremitochondrial matrix, cytosol
- N-acetylglutamate synthase (N-acetyl-L-cystathionine)
- long-chain-fatty-acid-CoA ligase (dihomo-gamma-linolenate)
- Acyl-CoA:cholesterol O-acyltransferase
Catalysed by NAGS, SLC27A2, ACSL4, ACSL3 and 7 moremitochondrial matrix, cytosol, endoplasmic reticulum
- N-acetylglutamate synthase (N-acetyl-L-cystathionine)
- long-chain-fatty-acid-CoA ligase (myristic acid)
- tetradecanoyl-CoA + (R)-carnitine = O-tetradecanoyl-(R)-carnitine + CoA
Catalysed by NAGS, SLC27A2, ACSL4, ACSL3 and 6 moremitochondrial matrix, cytosol
- N-acetylglutamate synthase (N-acetyl-L-cystathionine)
- long-chain-fatty-acid-CoA ligase (stearate)
- (R)-carnitine + octadecanoyl-CoA = O-octadecanoyl-(R)-carnitine + CoA
Catalysed by NAGS, SLC27A2, ACSL4, ACSL3 and 5 moremitochondrial matrix, cytosol
- N-acetylglutamate synthase (N-acetyl-L-cystathionine)
- long-chain-fatty-acid-CoA ligase (eicosanoate)
- eicosanoyl-CoA + (R)-carnitine = O-eicosanoyl-(R)-carnitine + CoA
Catalysed by NAGS, SLC27A2, ACSL4, ACSL3 and 6 moremitochondrial matrix, cytosol
- N-acetylglutamate synthase (N-acetyl-L-cystathionine)
- Carnitine O-Palmitoyltransferase
- Carnitine Dimethyl Nonanoyl Transferase, Revsible, Peroxisomal
Catalysed by NAGS, CPT1A, CPT1C, CPT1B and 2 moremitochondrial matrix, cytosol, peroxisomeOne of 7 routes
- N-acetylglutamate synthase (N-acetyl-L-cystathionine)
- long-chain-fatty-acid-CoA ligase (stearate)
- 2-(9Z,12Z-octadecadienoyl)-sn-glycero-3-phosphocholine + octadecanoyl-CoA = 1-octadecanoyl-2-(9Z,12Z)-octadecadienoyl-sn-glycero-3-phosphocholine + CoA
Catalysed by NAGS, SLC27A2, ACSL4, ACSL3 and 5 moremitochondrial matrix, cytosol
- 1-octadecanoyl-2-(4Z,7Z,10Z,13Z,16Z,19Z-docosahexaenoyl)-sn-glycero-3-phosphocholineReach from here →
- N-acetylglutamate synthase (N-acetyl-L-cystathionine)
- long-chain-fatty-acid-CoA ligase (stearate)
- 2-(4Z,7Z,10Z,13Z,16Z,19Z-docosahexaenoyl)-sn-glycero-3-phosphocholine + octadecanoyl-CoA = 1-octadecanoyl-2-(4Z,7Z,10Z,13Z,16Z,19Z-docosahexaenoyl)-sn-glycero-3-phosphocholine + CoA
Catalysed by NAGS, SLC27A2, ACSL4, ACSL3 and 5 moremitochondrial matrix, cytosol
- N-acetylglutamate synthase (N-acetyl-L-cystathionine)
- long-chain-fatty-acid-CoA ligase (EPA)
- Acyl-CoA:cholesterol O-acyltransferase
Catalysed by NAGS, SLC27A2, ACSL4, ACSL3 and 7 moremitochondrial matrix, cytosol, endoplasmic reticulumOne of 2 routes
- L-cystathionine cysteine-lyase (deaminating
- transport of cysteine and glycine (cytosol to extracellular)
- tetradecanoyl-CoA + glycine = N-tetradecanoylglycine + CoA + H(+)
Catalysed by CTH, SLC3A2, SLC7A5, SLC7A8 and 1 morecytosol, extracellular spaceOne of 2 routes
- L-cystathionine cysteine-lyase (deaminating
- transport of cysteine and glycine (cytosol to extracellular)
- eicosanoyl-CoA + glycine = N-eicosanoylglycinate + CoA + H(+)
Catalysed by CTH, SLC3A2, SLC7A5, SLC7A8 and 1 morecytosol, extracellular spaceOne of 2 routes
- L-cystathionine cysteine-lyase (deaminating
- transport of cysteine and glycine (cytosol to extracellular)
- docosanoyl-CoA + glycine = N-docosanoylglycine + CoA + H(+)
Catalysed by CTH, SLC3A2, SLC7A5, SLC7A8 and 1 morecytosol, extracellular spaceOne of 2 routes
- L-cystathionine cysteine-lyase (deaminating
- transport of cysteine and glycine (cytosol to extracellular)
- hexacosanoyl-CoA + glycine = N-hexacosanoylglycine + CoA + H(+)
Catalysed by CTH, SLC3A2, SLC7A5, SLC7A8 and 1 morecytosol, extracellular spaceOne of 2 routes
- L-cystathionine cysteine-lyase (deaminating
- transport of cysteine and glutamine (cytosol to extracellular)
- an acyl-CoA + L-glutamine = an N(2)-acyl-L-glutamine + CoA + H(+)
Catalysed by CTH, SLC3A2, SLC7A5, SLC7A10 and 2 morecytosol, extracellular spaceOne of 2 routes
- N-acetylglutamate synthase (N-acetyl-L-cystathionine)
- long-chain-fatty-acid-CoA ligase (physeteric acid)
- medium-chain acyl-CoA dehydrogenase (5-tetradecenoyl-CoA)
Catalysed by NAGS, SLC27A2, ACSL4, ACSL3 and 9 moremitochondrial matrix, cytosolOne of 4 routes
- N-acetylglutamate synthase (N-acetyl-L-cystathionine)
- long-chain-fatty-acid-CoA ligase (7-palmitoleic acid)
- medium-chain acyl-CoA dehydrogenase (7-hexadecenoyl-CoA)
Catalysed by NAGS, SLC27A2, ACSL4, ACSL3 and 9 moremitochondrial matrix, cytosolOne of 4 routes
- N-acetylglutamate synthase (N-acetyl-L-cystathionine)
- Transport of 11-Octadecenoyl Carnitine into the Mitochondrial Matrix
- (11Z)-octadecenoyl-CoA + cholesterol = cholesteryl (11Z)-octadecenoate + CoA
Catalysed by NAGS, CPT1A, CPT1C, CPT1B and 1 moremitochondrial matrix, cytosol
- L-cystathionine cysteine-lyase (deaminating
- cystine to cysteine conversion
- transport of GSH and thromboxane B2 (cytosol to extracellular)
Catalysed by CTH, SLCO1B1cytosol, extracellular spaceOne of 2 routes
- N-acetylglutamate synthase (N-acetyl-L-cystathionine)
- acyl-CoA:sphingosine N-acyltransferase
- an acyl-CoA + acetyl-CoA = a 3-oxoacyl-CoA + CoA
Catalysed by NAGS, ASAH1, ACER2, ACER1 and 5 moremitochondrial matrix, Golgi apparatus
- L-cystathionine cysteine-lyase (deaminating
- cystine to cysteine conversion
- solute carrier organic anion transporter (GSH)
Catalysed by CTH, SLCO1A2, SLC7A9, SLCO1B3cytosol, extracellular spaceOne of 7 routes
- L-cystathionine cysteine-lyase (deaminating
- branched chain keto acid dehydrogenase E1 (2-oxobutyrate)
- lipoamide to thiamin-PP conversion
Catalysed by CTH, BCKDHA, BCKDHB, DBTcytosol, mitochondrial matrix
- L-cystathionine cysteine-lyase (deaminating
- 2-oxobutanoate + L-alanine = (2S)-2-aminobutanoate + pyruvate
- pyruvate:thiamin diphosphate acetaldehydetransferase (decarboxylating)
Catalysed by CTH, AGXT2, PDHA1, PDHB and 1 morecytosol, mitochondrial matrix