(R)-carnitine
362,296 routes · scope human · up to 3 steps · built 5 October 2026 · Reactions · API
363 compounds within 3 steps: 16 in 1, 28 in 2, 319 in 3
Three steps
- glycine betaine(out) + (R)-carnitine(in) = glycine betaine(in) + (R)-carnitine(out)
- Trimethylaminoacetate:L-homosysteine S-methyltransferase
- L-aspartate(in) + L-methionine(out) = L-aspartate(out) + L-methionine(in)
Catalysed by SLC22A5, BHMT, BHMT2, SLC7A13inner side of the membrane, outer side of the membrane, cytosolOne of 2 routes
- glycine betaine(out) + (R)-carnitine(in) = glycine betaine(in) + (R)-carnitine(out)
- transport of betaine and chloride (cytosol to extracellular)
- transport of chloride and formate (cytosol to extracellular)
Catalysed by SLC22A5, SLC6A12, SLC26A4inner side of the membrane, outer side of the membrane, extracellular space, cytosolOne of 2 routes
- glycine betaine(out) + (R)-carnitine(in) = glycine betaine(in) + (R)-carnitine(out)
- transport of betaine and chloride (cytosol to extracellular)
- Malonate Transport, Antiport with Chloride
Catalysed by SLC22A5, SLC6A12inner side of the membrane, outer side of the membrane, extracellular space, cytosolOne of 2 routes
- tetradecanoyl-CoA + (R)-carnitine = O-tetradecanoyl-(R)-carnitine + CoA
- tetradecanoyl-CoA + (R)-carnitine = O-tetradecanoyl-(R)-carnitine + CoA
- Myristoyl-CoA hydrolase
Catalysed by CPT2, ACOT7, BAAT, THEM4 and 2 morecytosolOne of 2 routes
- (R)-carnitine + hexadecanoyl-CoA = O-hexadecanoyl-(R)-carnitine + CoA
- palmitoyl-CoA:L-carnitine O-palmitoyltransferase
- Utilized Transport
Catalysed by CPT2, CPT1A, CPT1Bperoxisome, endoplasmic reticulum, cytosolOne of 3 routes
- glutarate(in) + (R)-carnitine(out) = glutarate(out) + (R)-carnitine(in)
- estrone 3-sulfate(out) + glutarate(in) = estrone 3-sulfate(in) + glutarate(out)
- pentanoate(in) + estrone 3-sulfate(out) = pentanoate(out) + estrone 3-sulfate(in)
Catalysed by SLC22A8, SLC22A24, SLC22A11, SLC22A9inner side of the membrane, outer side of the membraneOne of 4 routes
- (R)-carnitine + hexadecanoyl-CoA = O-hexadecanoyl-(R)-carnitine + CoA
- palmitoyl-CoA:L-carnitine O-palmitoyltransferase
- Utilized Transport
Catalysed by CPT2, CPT1A, CPT1Bperoxisome, endoplasmic reticulum, cytosolOne of 6 routes
- (R)-carnitine + hexadecanoyl-CoA = O-hexadecanoyl-(R)-carnitine + CoA
- palmitoyl-CoA:L-carnitine O-palmitoyltransferase
- Utilized Transport
Catalysed by CPT2, CPT1A, CPT1Bperoxisome, endoplasmic reticulum, cytosolOne of 2 routes
- glutarate(in) + (R)-carnitine(out) = glutarate(out) + (R)-carnitine(in)
- urate(in) + glutarate(out) = urate(out) + glutarate(in)
- nicotinate(in) + urate(out) = nicotinate(out) + urate(in)
Catalysed by SLC22A8, SLC22A12, SLC22A13inner side of the membrane, outer side of the membrane
- glycine betaine(out) + (R)-carnitine(in) = glycine betaine(in) + (R)-carnitine(out)
- Trimethylaminoacetate:L-homosysteine S-methyltransferase
- L-Methionine:oxygen oxidoreductase (deaminating)
Catalysed by SLC22A5, BHMT, BHMT2, IL4I1inner side of the membrane, outer side of the membrane, cytosol
- (R)-carnitine + hexadecanoyl-CoA = O-hexadecanoyl-(R)-carnitine + CoA
- palmitoyl-CoA:L-carnitine O-palmitoyltransferase
- Acyl-CoA:cholesterol O-acyltransferase
Catalysed by CPT2, CPT1A, CPT1B, SOAT2 and 1 moreperoxisome, endoplasmic reticulumOne of 2 routes
- glutarate(in) + (R)-carnitine(out) = glutarate(out) + (R)-carnitine(in)
- urate(in) + glutarate(out) = urate(out) + glutarate(in)
- transport of L-lactate and urate (cytosol to extracellular)
Catalysed by SLC22A8, SLC22A12inner side of the membrane, outer side of the membrane, extracellular space, cytosol
- glutarate(in) + (R)-carnitine(out) = glutarate(out) + (R)-carnitine(in)
- glutarate + succinyl-CoA = glutaryl-CoA + succinate
- 3-hydroxy-3-methylglutarate + glutaryl-CoA = (3S)-3-hydroxy-3-methylglutaryl-CoA + glutarate
Catalysed by SLC22A8, SUGCTinner side of the membrane, outer side of the membraneOne of 3 routes
- glycine betaine(out) + (R)-carnitine(in) = glycine betaine(in) + (R)-carnitine(out)
- Trimethylaminoacetate:L-homosysteine S-methyltransferase
- transport of methionine and ornithine (cytosol to extracellular)
Catalysed by SLC22A5, BHMT, BHMT2, SLC7A6inner side of the membrane, outer side of the membrane, cytosol, extracellular spaceOne of 2 routes
- glycine betaine(out) + (R)-carnitine(in) = glycine betaine(in) + (R)-carnitine(out)
- transport of betaine and chloride (cytosol to extracellular)
- Neurotransmitter:Sodium Symporter (Nss) Tcdb:2.A.22.3.3
Catalysed by SLC22A5, SLC6A12, SLC6A6inner side of the membrane, outer side of the membrane, extracellular space, cytosolOne of 2 routes
- (R)-carnitine + (9Z)-octadecenoyl-CoA = O-(9Z)-octadecenoyl-(R)-carnitine + CoA
- (R)-carnitine + (9Z)-octadecenoyl-CoA = O-(9Z)-octadecenoyl-(R)-carnitine + CoA
- 1-(9Z-octadecenoyl)-glycerol + (9Z)-octadecenoyl-CoA = 1,2-di-(9Z-octadecenoyl)-glycerol + CoA
Catalysed by CPT2, DGAT1, MOGAT2, AWAT2 and 3 moreOne of 2 routes
- (R)-carnitine + (9Z)-octadecenoyl-CoA = O-(9Z)-octadecenoyl-(R)-carnitine + CoA
- (R)-carnitine + (9Z)-octadecenoyl-CoA = O-(9Z)-octadecenoyl-(R)-carnitine + CoA
- 1,2-di-(9Z-octadecenoyl)-sn-glycerol + (9Z)-octadecenoyl-CoA = 1,2,3-tri-(9Z-octadecenoyl)-glycerol + CoA
Catalysed by CPT2, DGAT1, MOGAT2, AWAT1 and 5 moreOne of 3 routes
- glutarate(in) + (R)-carnitine(out) = glutarate(out) + (R)-carnitine(in)
- glutarate + succinyl-CoA = glutaryl-CoA + succinate
- glutarate + succinyl-CoA = glutaryl-CoA + succinate
Catalysed by SLC22A8, SUGCTinner side of the membrane, outer side of the membrane
- glycine betaine(out) + (R)-carnitine(in) = glycine betaine(in) + (R)-carnitine(out)
- Trimethylaminoacetate:L-homosysteine S-methyltransferase
- transport of glycine and methionine (cytosol to extracellular)
Catalysed by SLC22A5, BHMT, BHMT2, SLC7A5inner side of the membrane, outer side of the membrane, cytosol, extracellular spaceOne of 8 routes
- dodecanoyl-CoA + (R)-carnitine = O-dodecanoyl-R-carnitine + CoA
- carnitine O-palmitoyltransferase (dodecanoylcarnitine)
- trans-dodec-2-enoyl-CoA reductase
Catalysed by CPT2, CPT1A, CPT1C, CPT1B and 1 morecytosol, mitochondrial matrixOne of 5 routes
- glutarate(in) + (R)-carnitine(out) = glutarate(out) + (R)-carnitine(in)
- glutarate + succinyl-CoA = glutaryl-CoA + succinate
- glutaryl-CoA:electron-transfer flavoprotein 2,3-oxidoreductase (decarboxylating)
Catalysed by SLC22A8, SUGCT, GCDHinner side of the membrane, outer side of the membrane, mitochondrial matrixOne of 2 routes
- glutarate(in) + (R)-carnitine(out) = glutarate(out) + (R)-carnitine(in)
- glutarate + succinyl-CoA = glutaryl-CoA + succinate
- glutaryl-CoA + O2 = (2E)-glutaconyl-CoA + H2O2
Catalysed by SLC22A8, SUGCT, ACOX1inner side of the membrane, outer side of the membrane
- (R)-carnitine + hexadecanoyl-CoA = O-hexadecanoyl-(R)-carnitine + CoA
- palmitoyl-CoA:L-carnitine O-palmitoyltransferase
- transport of butyryl-CoA and L-carnitine (cytosol to mitochondria)
Catalysed by CPT2, CPT1A, CPT1B, SLC33A1 and 2 moreperoxisome, mitochondrial matrix, cytosolOne of 2 routes
- glutarate(in) + (R)-carnitine(out) = glutarate(out) + (R)-carnitine(in)
- glutarate + succinyl-CoA = glutaryl-CoA + succinate
- itaconate + glutaryl-CoA = itaconyl-CoA + glutarate
Catalysed by SLC22A8, SUGCTinner side of the membrane, outer side of the membraneOne of 5 routes
- glutarate(in) + (R)-carnitine(out) = glutarate(out) + (R)-carnitine(in)
- prostaglandin E2(out) + glutarate(in) = prostaglandin E2(in) + glutarate(out)
- prostaglandin E2 + NAD(+) = 15-oxoprostaglandin E2 + NADH + H(+)
Catalysed by SLC22A8, HPGDinner side of the membrane, outer side of the membraneOne of 2 routes
- glutarate(in) + (R)-carnitine(out) = glutarate(out) + (R)-carnitine(in)
- prostaglandin E2(out) + glutarate(in) = prostaglandin E2(in) + glutarate(out)
- prostaglandin E synthase (prostaglandin E2)
Catalysed by SLC22A8, PTGES, PTGES3, PTGES2inner side of the membrane, outer side of the membrane, endoplasmic reticulumOne of 4 routes
- glutarate(in) + (R)-carnitine(out) = glutarate(out) + (R)-carnitine(in)
- prostaglandin F2alpha(out) + glutarate(in) = prostaglandin F2alpha(in) + glutarate(out)
- aldo-keto reductase (prostaglandin D2)
Catalysed by SLC22A8, AKR1C3inner side of the membrane, outer side of the membrane, cytosol
- glycine betaine(out) + (R)-carnitine(in) = glycine betaine(in) + (R)-carnitine(out)
- L-homocysteine + glycine betaine = N,N-dimethylglycine + L-methionine
- (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]
Catalysed by SLC22A5, BHMT, DMGDHinner side of the membrane, outer side of the membrane
- (R)-carnitine + hexadecanoyl-CoA = O-hexadecanoyl-(R)-carnitine + CoA
- palmitoyl-CoA:L-carnitine O-palmitoyltransferase
- glycerol-3-phosphate 1-O-acyltransferase (palmitoyl-CoA)
Catalysed by CPT2, CPT1A, CPT1B, GPAT3 and 3 moreperoxisome, cytosolOne of 2 routes
- glycine betaine(out) + (R)-carnitine(in) = glycine betaine(in) + (R)-carnitine(out)
- transport of betaine and chloride (cytosol to extracellular)
- Transport of Guanidinoacetic Acid
Catalysed by SLC22A5, SLC6A12inner side of the membrane, outer side of the membrane, extracellular space, cytosol
- glycine betaine(out) + (R)-carnitine(in) = glycine betaine(in) + (R)-carnitine(out)
- Trimethylaminoacetate:L-homosysteine S-methyltransferase
- transport of methionine and tryptophan (cytosol to extracellular)
Catalysed by SLC22A5, BHMT, BHMT2, SLC7A5inner side of the membrane, outer side of the membrane, cytosol, extracellular spaceOne of 6 routes
- glutarate(in) + (R)-carnitine(out) = glutarate(out) + (R)-carnitine(in)
- taurocholate(out) + glutarate(in) = taurocholate(in) + glutarate(out)
- taurocholate(in) + glutathione(in) + ATP + H2O = taurocholate(out) + glutathione(out) + ADP + phosphate + H(+)
Catalysed by SLC22A8, SLC22A24, ABCC4inner side of the membrane, outer side of the membraneOne of 3 routes
- glycine betaine(out) + (R)-carnitine(in) = glycine betaine(in) + (R)-carnitine(out)
- transport of betaine and chloride (cytosol to extracellular)
- transport of beta-alanine and chloride (cytosol to extracellular)
Catalysed by SLC22A5, SLC6A12, SLC6A6, SLC6A14inner side of the membrane, outer side of the membrane, extracellular space, cytosolOne of 2 routes
- glycine betaine(out) + (R)-carnitine(in) = glycine betaine(in) + (R)-carnitine(out)
- Trimethylaminoacetate:L-homosysteine S-methyltransferase
- transport of alanine and methionine (cytosol to extracellular)
Catalysed by SLC22A5, BHMT, BHMT2, SLC7A5inner side of the membrane, outer side of the membrane, cytosol, extracellular spaceOne of 9 routes
- glycine betaine(out) + (R)-carnitine(in) = glycine betaine(in) + (R)-carnitine(out)
- Trimethylaminoacetate:L-homosysteine S-methyltransferase
- transport of asparagine and methionine (cytosol to extracellular)
Catalysed by SLC22A5, BHMT, BHMT2, SLC7A5inner side of the membrane, outer side of the membrane, cytosol, extracellular spaceOne of 5 routes
- glycine betaine(out) + (R)-carnitine(in) = glycine betaine(in) + (R)-carnitine(out)
- Trimethylaminoacetate:L-homosysteine S-methyltransferase
- transport of methionine and phenylalanine (cytosol to extracellular)
Catalysed by SLC22A5, BHMT, BHMT2, SLC7A5inner side of the membrane, outer side of the membrane, cytosol, extracellular spaceOne of 8 routes
- glycine betaine(out) + (R)-carnitine(in) = glycine betaine(in) + (R)-carnitine(out)
- Trimethylaminoacetate:L-homosysteine S-methyltransferase
- S-methyl-L-methionine + L-homocysteine = 2 L-methionine + H(+)
Catalysed by SLC22A5, BHMT, BHMT2inner side of the membrane, outer side of the membrane, cytosol
- glycine betaine(out) + (R)-carnitine(in) = glycine betaine(in) + (R)-carnitine(out)
- Trimethylaminoacetate:L-homosysteine S-methyltransferase
- S-methyl-L-methionine + L-homocysteine = 2 L-methionine + H(+)
Catalysed by SLC22A5, BHMT, BHMT2inner side of the membrane, outer side of the membrane, cytosol
- (R)-carnitine + hexadecanoyl-CoA = O-hexadecanoyl-(R)-carnitine + CoA
- palmitoyl-CoA:L-carnitine O-palmitoyltransferase
- Palmitoyl-CoA:L-serine C-palmitoyltransferase (decarboxylating)
Catalysed by CPT2, CPT1A, CPT1B, SPTLC1 and 2 moreperoxisome, cytosolOne of 2 routes
- (R)-carnitine + hexadecanoyl-CoA = O-hexadecanoyl-(R)-carnitine + CoA
- palmitoyl-CoA:L-carnitine O-palmitoyltransferase
- glyceronephosphate O-acyltransferase (DHAP)
Catalysed by CPT2, CPT1A, CPT1B, GNPATperoxisomeOne of 2 routes
- (R)-carnitine + hexadecanoyl-CoA = O-hexadecanoyl-(R)-carnitine + CoA
- palmitoyl-CoA:L-carnitine O-palmitoyltransferase
- acyl-CoA pool formation and breakdown
Catalysed by CPT2, CPT1A, CPT1Bperoxisome, cytosolOne of 5 routes
- glycine betaine(out) + (R)-carnitine(in) = glycine betaine(in) + (R)-carnitine(out)
- Trimethylaminoacetate:L-homosysteine S-methyltransferase
- [thioredoxin]-disulfide + L-methionine + H2O = L-methionine (S)-S-oxide + [thioredoxin]-dithiol
Catalysed by SLC22A5, BHMT, BHMT2, MSRAinner side of the membrane, outer side of the membrane, cytosol
- glycine betaine(out) + (R)-carnitine(in) = glycine betaine(in) + (R)-carnitine(out)
- Trimethylaminoacetate:L-homosysteine S-methyltransferase
- [thioredoxin]-disulfide + L-methionine + H2O = L-methionine (R)-S-oxide + [thioredoxin]-dithiol
Catalysed by SLC22A5, BHMT, BHMT2, MSRB3 and 2 moreinner side of the membrane, outer side of the membrane, cytosol