(S)-lactic acid
362,296 routes · scope human · up to 3 steps · built 5 October 2026 · Reactions · API
399 compounds within 3 steps: 15 in 1, 79 in 2, 305 in 3
Three steps
- transport of butyrate and L-lactate (cytosol to extracellular)
- Butanoate:CoA ligase (AMP-forming)
- butanoyl-CoA + H2O = S-butanoyl-4'-phosphopantetheine + adenosine 3',5'-bisphosphate + 2 H(+)
Catalysed by SLC16A4, SLC16A5, SLC16A3, SLC16A7 and 11 moreextracellular space, cytosol
- transport of L-lactate and urate (cytosol to extracellular)
- urate(out) + glutathione(in) = urate(in) + glutathione(out)
- tauroursodeoxycholate(in) + glutathione(in) + ATP + H2O = tauroursodeoxycholate(out) + glutathione(out) + ADP + phosphate + H(+)
Catalysed by SLC22A12, SLC22A13, ABCC4extracellular space, cytosol, inner side of the membrane, outer side of the membraneOne of 5 routes
- transport of L-lactate and urate (cytosol to extracellular)
- urate(out) + glutathione(in) = urate(in) + glutathione(out)
- glycoursodeoxycholate(in) + glutathione(in) + ATP + H2O = glycoursodeoxycholate(out) + glutathione(out) + ADP + phosphate + H(+)
Catalysed by SLC22A12, SLC22A13, ABCC4extracellular space, cytosol, inner side of the membrane, outer side of the membraneOne of 5 routes
- transport of L-lactate and urate (cytosol to extracellular)
- urate(out) + glutathione(in) = urate(in) + glutathione(out)
- (15S)-hydroperoxy-(5Z,8Z,11Z,13E,17Z)-eicosapentaenoate + 2 glutathione = (15S)-hydroxy-(5Z,8Z,11Z,13E,17Z)-eicosapentaenoate + glutathione disulfide + H2O
Catalysed by SLC22A12, SLC22A13, GPX1, GPX4extracellular space, cytosol, inner side of the membrane, outer side of the membrane
- transport of L-lactate and urate (cytosol to extracellular)
- urate(out) + glutathione(in) = urate(in) + glutathione(out)
- 11(S)-hydroxy-14(S),15(S)-epoxy-(5Z,8Z,12E)-eicosatrienoate + glutathione = (11S,15S)-dihydroxy-14(R)-S-glutathionyl-(5Z,8Z,12E)-eicosatrienoate
Catalysed by SLC22A12, SLC22A13, GSTP1, GSTM1 and 1 moreextracellular space, cytosol, inner side of the membrane, outer side of the membraneOne of 5 routes
- Transport of Prostaglandin A2, Lactate Antiport
- transport of prostaglandin A2 (cytosol to extracellular)
- transport of prostaglandin B1 (cytosol to extracellular)
Catalysed by SLCO1B1extracellular space, cytosolOne of 4 routes
- Transport of Prostaglandin A2, Lactate Antiport
- transport of prostaglandin A2 (cytosol to extracellular)
- transport of leukotriene F4 (cytosol to extracellular)
Catalysed by SLCO1B1extracellular space, cytosolOne of 4 routes
- transport of L-lactate and retinoate (cytosol to extracellular)
- cytochrome P450 (retinoate)
- cytochrome P450 (4-hydroxy-all-trans-retinoate)
Catalysed by SLC16A4, SLC16A5, SLC16A3, SLC16A7 and 4 moreextracellular space, cytosolOne of 3 routes
- transport of L-lactate and urate (cytosol to extracellular)
- urate(out) + glutathione(in) = urate(in) + glutathione(out)
- (13S,14S)-epoxy-(4Z,7Z,9E,11E,16Z,19Z)-docosahexaenoate + glutathione = (13R)-S-glutathionyl-(14S)-hydroxy-(4Z,7Z,9E,11E,16Z,19Z)-docosahexaenoate
Catalysed by SLC22A12, SLC22A13, GSTM4, LTC4Sextracellular space, cytosol, inner side of the membrane, outer side of the membrane
- transport of L-lactate and retinoate (cytosol to extracellular)
- cytochrome P450 (retinoate)
- all-trans-4-hydroxyretinoate + UDP-alpha-D-glucuronate = all-trans-4-hydroxy-4-O-(beta-D-glucuronide)-retinoate + UDP + H(+)
Catalysed by SLC16A4, SLC16A5, SLC16A3, SLC16A7 and 4 moreextracellular space, cytosol
- transport of L-lactate and urate (cytosol to extracellular)
- urate(out) + glutathione(in) = urate(in) + glutathione(out)
- apo-[alkylcobalamin reductase] + methylcob(III)alamin + glutathione = S-methyl glutathione + cob(I)alamin-[alkylcobalamin reductase] + H(+)
Catalysed by SLC22A12, SLC22A13, MMACHCextracellular space, cytosol, inner side of the membrane, outer side of the membrane
- transport of acetate and L-lactate (cytosol to extracellular)
- N-(acetyl)-sphing-4-enine + H2O = sphing-4-enine + acetate
- 1-octadecanoyl-2-(9Z-octadecenoyl)-sn-glycero-3-phospho-(1'-sn-glycerol) + N-(acetyl)-sphing-4-enine = 2-(9Z-octadecenoyl)-sn-glycero-3-phospho-(1'-sn-glycerol) + 1-octadecanoyl-N-(acetyl)-sphing-4-enine
Catalysed by SLC16A4, SLC16A5, SLC16A3, SLC16A7 and 4 moreextracellular space, cytosol
- transport of L-lactate and urate (cytosol to extracellular)
- urate(out) + a dicarboxylate(in) = urate(in) + a dicarboxylate(out)
- indoxyl sulfate(out) + a dicarboxylate(in) = indoxyl sulfate(in) + a dicarboxylate(out)
Catalysed by SLC22A12, SLC22A6, SLC22A8extracellular space, cytosol, inner side of the membrane, outer side of the membraneOne of 2 routes
- transport of acetate and L-lactate (cytosol to extracellular)
- N-(acetyl)-sphing-4-enine + H2O = sphing-4-enine + acetate
- 1-hexadecanoyl-2-nonadioyl-sn-glycero-3-phosphocholine + N-(acetyl)-sphing-4-enine = 2-nonadioyl-sn-glycero-3-phosphocholine + 1-hexadecanoyl-N-(acetyl)-sphing-4-enine
Catalysed by SLC16A4, SLC16A5, SLC16A3, SLC16A7 and 4 moreextracellular space, cytosol
- transport of L-lactate and urate (cytosol to extracellular)
- urate(out) + glutathione(in) = urate(in) + glutathione(out)
- apo-[alkylcobalamin reductase] + adenosylcob(III)alamin + glutathione = S-adenosylglutathione + cob(I)alamin-[alkylcobalamin reductase] + H(+)
Catalysed by SLC22A12, SLC22A13, MMACHCextracellular space, cytosol, inner side of the membrane, outer side of the membrane
- transport of acetate and L-lactate (cytosol to extracellular)
- cytochrome P450 (17alpha-hydroxypregnenolone)
- cytochrome P450 (17alpha-hydroxypregnenolone)
Catalysed by SLC16A4, SLC16A5, SLC16A3, SLC16A7 and 3 moreextracellular space, cytosol, endoplasmic reticulumOne of 3 routes
- transport of formate and L-lactate (cytosol to extracellular)
- transport of chloride and formate (cytosol to extracellular)
- transport of chloride and choline (cytosol to extracellular)
Catalysed by SLC16A4, SLC16A5, SLC16A3, SLC16A7 and 4 moreextracellular space, cytosol
- Transport of Prostaglandin A2, Lactate Antiport
- transport of prostaglandin A2 (cytosol to extracellular)
- transport of acetylcholine (cytosol to extracellular)
Catalysed by SLCO1B1, SLCO1B3extracellular space, cytosolOne of 4 routes
- transport of acetoacetate and L-lactate (cytosol to extracellular)
- Acetoacetate:CoA ligase (AMP-forming)
- 3-hydroxy-3-methylglutaryl-CoA synthase (acetoacetyl-CoA)
Catalysed by SLC16A4, SLC16A5, SLC16A7, SLC16A8 and 3 moreextracellular space, cytosolOne of 3 routes
- (S)-Lactate:NAD+ oxidoreductase
- (R)-3-Amino-2-methylpropanoate:pyruvate aminotransferase
- alanine racemase
Catalysed by LDHB, LDHAL6B, AGXT2mitochondrial matrix, cytosol
- (S)-Lactate:NAD+ oxidoreductase
- (R)-3-Amino-2-methylpropanoate:pyruvate aminotransferase
- transport of alanine and leucine (cytosol to extracellular)
Catalysed by LDHB, LDHAL6B, AGXT2, SLC7A5mitochondrial matrix, extracellular space, cytosolOne of 12 routes
- Transport of Prostaglandin A2, Lactate Antiport
- transport of prostaglandin A2 (cytosol to extracellular)
- transport of leukotriene E4 (cytosol to extracellular)
Catalysed by SLCO1B1extracellular space, cytosolOne of 4 routes
- transport of L-lactate and urate (cytosol to extracellular)
- urate:oxygen oxidoreductase
- 5-hydroxyisourate decarboxylation
Catalysed by SLC22A12extracellular space, cytosol
- (S)-Lactate:NAD+ oxidoreductase
- (R)-3-Amino-2-methylpropanoate:pyruvate aminotransferase
- transport of alanine and homoserine (cytosol to extracellular)
Catalysed by LDHB, LDHAL6B, AGXT2, SLC7A5mitochondrial matrix, extracellular space, cytosolOne of 6 routes
- (S)-Lactate:NAD+ oxidoreductase
- (S)-malate + NAD(+) = pyruvate + CO2 + NADH
- malonate(out) + (S)-malate(in) = malonate(in) + (S)-malate(out)
Catalysed by LDHB, LDHAL6B, ME2, SLC25A10mitochondrial matrix, inner side of the membrane, outer side of the membraneOne of 2 routes
- transport of acetoacetate and L-lactate (cytosol to extracellular)
- (S)-3-hydroxybutanoate + 2-oxoglutarate = (R)-2-hydroxyglutarate + acetoacetate
- AKG[m] + (S)-3-hydroxybutanoate[m] = acetoacetate[m] + (R)-2-hydroxyglutarate[m]
Catalysed by SLC16A4, SLC16A5, SLC16A7, SLC16A8 and 2 moreextracellular space, cytosol, mitochondrial matrixOne of 2 routes
- Transport of Prostaglandin A2, Lactate Antiport
- transport of GSH and prostaglandin A2 (cytosol to extracellular)
- 2-bromoacetaldehyde:glutathione S-(formylmethyl)transferase
Catalysed by SLCO2A1, MGST3, GSTA4, GSTA1 and 14 moreextracellular space, cytosolOne of 2 routes
- transport of acetate and L-lactate (cytosol to extracellular)
- N-acetyl-D-glucosamine 6-phosphate + H2O = D-glucosamine 6-phosphate + acetate
- N-Acetyl-D-glucosamine-6-phosphate amidohydrolase
Catalysed by SLC16A4, SLC16A5, SLC16A3, SLC16A7 and 4 moreextracellular space, cytosol
- (S)-Lactate:NAD+ oxidoreductase
- (R)-3-Amino-2-methylpropanoate:pyruvate aminotransferase
- transport of alanine and histidine (cytosol to extracellular)
Catalysed by LDHB, LDHAL6B, AGXT2, SLC7A6mitochondrial matrix, extracellular space, cytosolOne of 5 routes
- transport of L-lactate and urate (cytosol to extracellular)
- urate(out) + glutathione(in) = urate(in) + glutathione(out)
- RX + glutathione = an S-substituted glutathione + a halide anion + H(+)
Catalysed by SLC22A12, SLC22A13, GSTT4, GSTA4 and 21 moreextracellular space, cytosol, inner side of the membrane, outer side of the membrane
- transport of L-lactate and retinoate (cytosol to extracellular)
- retinoate reduction
- all-trans-Retinal 11-cis-trans-isomerase
Catalysed by SLC16A4, SLC16A5, SLC16A3, SLC16A7 and 4 moreextracellular space, cytosol
Catalysed by LDHB, LDHAL6B, PKM, PKLR and 6 moremitochondrial matrix, cytosolOne of 3 routes
- (S)-Lactate:NAD+ oxidoreductase
- (S)-malate + NAD(+) = pyruvate + CO2 + NADH
- transport of malate and sulfate (cytosol to mitochondria)
Catalysed by LDHB, LDHAL6B, ME2, SLC25A10mitochondrial matrix, cytosolOne of 8 routes
- (S)-Lactate:NAD+ oxidoreductase
- (R)-3-Amino-2-methylpropanoate:pyruvate aminotransferase
- Transport of L-Cystine (L-Alanine antiport) by B0, +At Transporter
Catalysed by LDHB, LDHAL6B, AGXT2, SLC7A9 and 1 moremitochondrial matrix, extracellular space, cytosol
Catalysed by LDHB, LDHAL6B, PKM, PKLR and 1 moremitochondrial matrix, cytosolOne of 3 routes
- (S)-Lactate:NAD+ oxidoreductase
- (R)-3-Amino-2-methylpropanoate:pyruvate aminotransferase
- (S)-3-amino-2-methylpropionate transaminase (2-methyl-3-oxopropanoate)
Catalysed by LDHB, LDHAL6B, AGXT2, ABATmitochondrial matrixOne of 3 routes
- Transport of Prostaglandin A2, Lactate Antiport
- transport of prostaglandin A2 (cytosol to extracellular)
- transport of lithocholate (cytosol to extracellular)
Catalysed by SLCO1B1, SLCO1A2, SLCO1B3extracellular space, cytosolOne of 4 routes
- transport of L-lactate and urate (cytosol to extracellular)
- urate(in) + glutarate(out) = urate(out) + glutarate(in)
- glutarate(in) + (R)-carnitine(out) = glutarate(out) + (R)-carnitine(in)
Catalysed by SLC22A12, SLC22A8extracellular space, cytosol, inner side of the membrane, outer side of the membraneOne of 2 routes
- (S)-Lactate:NAD+ oxidoreductase
- (R)-3-Amino-2-methylpropanoate:pyruvate aminotransferase
- transport of alanine and citrulline (cytosol to extracellular)
Catalysed by LDHB, LDHAL6B, AGXT2, SLC7A6mitochondrial matrix, extracellular space, cytosolOne of 4 routes
- transport of formate and L-lactate (cytosol to extracellular)
- transport of chloride and formate (cytosol to extracellular)
- transport of chloride and iodide (cytosol to extracellular)
Catalysed by SLC16A4, SLC16A5, SLC16A3, SLC16A7 and 3 moreextracellular space, cytosol
- (S)-Lactate:ferricytochrome-c 2-oxidoreductase
- 13(S)-HPODE to 13-oxy-radical-octadecadienoate conversion
- ubiquinol:ferricytochrome-c oxidoreductase
Catalysed by CYB5D1, UQCRQ, UQCR11, MT-CYB and 7 moremitochondrial matrix, cytosol, mitochondrial intermembrane space
- (S)-Lactate:NAD+ oxidoreductase
- (R)-3-Amino-2-methylpropanoate:pyruvate aminotransferase
- transport of alanine and valine (cytosol to extracellular)
Catalysed by LDHB, LDHAL6B, AGXT2, SLC7A5mitochondrial matrix, extracellular space, cytosolOne of 11 routes
- transport of acetate and L-lactate (cytosol to extracellular)
- cytochrome P450 (17alpha-hydroxyprogesterone)
- (17R,20S)-17,20-dihydroxypregn-4-en-3-one + NAD(+) = 17alpha-hydroxyprogesterone + NADH + H(+)
Catalysed by SLC16A4, SLC16A5, SLC16A3, SLC16A7 and 4 moreextracellular space, cytosol, endoplasmic reticulumOne of 2 routes
- transport of acetate and L-lactate (cytosol to extracellular)
- cytochrome P450 (17alpha-hydroxyprogesterone)
- cytochrome P450 (17alpha-hydroxyprogesterone)
Catalysed by SLC16A4, SLC16A5, SLC16A3, SLC16A7 and 3 moreextracellular space, cytosol, endoplasmic reticulumOne of 5 routes
- (S)-Lactate:NAD+ oxidoreductase
- (R)-3-Amino-2-methylpropanoate:pyruvate aminotransferase
- transport of alanine and arginine (cytosol to extracellular)
Catalysed by LDHB, LDHAL6B, AGXT2, SLC7A6mitochondrial matrix, extracellular space, cytosolOne of 10 routes
Catalysed by LDHB, LDHAL6B, PKM, PKLRmitochondrial matrix, cytosol
Catalysed by LDHB, LDHAL6B, AGXT2mitochondrial matrix, cytosolOne of 2 routes
- (S)-Lactate:NAD+ oxidoreductase
- (R)-3-Amino-2-methylpropanoate:pyruvate aminotransferase
- L-selenocysteine selenide-lyase (L-alanine-forming)
Catalysed by LDHB, LDHAL6B, AGXT2, SCLYmitochondrial matrix, cytosol
- (S)-Lactate:NAD+ oxidoreductase
- N(1)-methylguanosine(37) in tRNA(Phe) + pyruvate + S-adenosyl-L-methionine = 4-demethylwyosine(37) in tRNA(Phe) + 5'-deoxyadenosine + L-methionine + CO2 + H2O
- L-Methionine:tRNAMet ligase (AMP-forming)
Catalysed by LDHB, LDHAL6B, TYW1B, TYW1 and 1 moremitochondrial matrix, cytosol