L-glutamate 5-semialdehyde
362,296 routes · scope human · up to 3 steps · built 5 October 2026 · Reactions · API
207 compounds within 3 steps: 2 in 1, 31 in 2, 174 in 3
Three steps
- L-ornithine + 2-oxoglutarate = L-glutamate 5-semialdehyde + L-glutamate
- transport of histidine and ornithine (cytosol to extracellular)
- Formation of homocarnosine
Catalysed by OAT, SLC7A5, SLC7A6, CARNS1extracellular space, cytosolOne of 2 routes
- L-ornithine + 2-oxoglutarate = L-glutamate 5-semialdehyde + L-glutamate
- transport of glutamine and ornithine (cytosol to extracellular)
- N(2)-formyl-N(1)-(5-phospho-beta-D-ribosyl)glycinamide + L-glutamine + ATP + H2O = 2-formamido-N(1)-(5-O-phospho-beta-D-ribosyl)acetamidine + L-glutamate + ADP + phosphate + H(+)
- L-ornithine + 2-oxoglutarate = L-glutamate 5-semialdehyde + L-glutamate
- transport of ornithine and phenylalanine (cytosol to extracellular)
- Chymase
Catalysed by OAT, SLC7A6, CMA1extracellular space, cytosolOne of 3 routes
- L-ornithine + 2-oxoglutarate = L-glutamate 5-semialdehyde + L-glutamate
- transport of alanine and ornithine (cytosol to extracellular)
- (R)-3-Amino-2-methylpropanoate:pyruvate aminotransferase
Catalysed by OAT, SLC7A6, AGXT2extracellular space, cytosol, mitochondrial matrixOne of 17 routes
- L-ornithine + 2-oxoglutarate = L-glutamate 5-semialdehyde + L-glutamate
- transport of ornithine and tryptophan (cytosol to extracellular)
- L-tryptophan,tetrahydrobiopterin:oxygen oxidoreductase(5-hydroxylating)
Catalysed by OAT, SLC7A6, TPH1, TPH2extracellular space, cytosolOne of 3 routes
- L-ornithine + 2-oxoglutarate = L-glutamate 5-semialdehyde + L-glutamate
- L-Arginine:glycine amidinotransferase
- transport of D-alanine and glycine (cytosol to extracellular)
Catalysed by OAT, GATM, SLC3A2, SLC7A10cytosol, extracellular spaceOne of 5 routes
- L-ornithine + 2-oxoglutarate = L-glutamate 5-semialdehyde + L-glutamate
- transport of ornithine and tryptophan (cytosol to extracellular)
- (6R)-L-erythro-5,6,7,8-tetrahydrobiopterin + L-tryptophan + O2 = 5-hydroxy-L-tryptophan + (4aS,6R)-4a-hydroxy-L-erythro-5,6,7,8-tetrahydrobiopterin
Catalysed by OAT, SLC7A6, TPH1, TPH2extracellular space, cytosolOne of 2 routes
- L-ornithine + 2-oxoglutarate = L-glutamate 5-semialdehyde + L-glutamate
- transport of lysine and ornithine (cytosol to extracellular)
- deoxyhypusine synthase (1,3-diaminopropane)
Catalysed by OAT, SLC7A5, SLC7A6, DHPSextracellular space, cytosol
- L-ornithine + 2-oxoglutarate = L-glutamate 5-semialdehyde + L-glutamate
- transport of histidine and ornithine (cytosol to extracellular)
- L-histidine:beta-alanine ligase (ADP-forming)
Catalysed by OAT, SLC7A5, SLC7A6, CARNS1extracellular space, cytosol
- L-ornithine + 2-oxoglutarate = L-glutamate 5-semialdehyde + L-glutamate
- transport of ornithine and tyrosine (cytosol to extracellular)
- L-Tyrosine,tetrahydrobiopterin:oxygen oxidoreductase (3-hydroxylating)
Catalysed by OAT, SLC7A6, THextracellular space, cytosolOne of 5 routes
- L-ornithine + 2-oxoglutarate = L-glutamate 5-semialdehyde + L-glutamate
- transport of glutamine and ornithine (cytosol to extracellular)
- L-glutamine:D-fructose-6-phosphate isomerase (deaminating)
Catalysed by OAT, SLC7A6, GFPT2, GFPT1extracellular space, cytosol
- L-ornithine + 2-oxoglutarate = L-glutamate 5-semialdehyde + L-glutamate
- L-Arginine:glycine amidinotransferase
- L-cystine(out) + L-arginine(in) = L-cystine(in) + L-arginine(out)
Catalysed by OAT, GATM, SLC7A9cytosol, inner side of the membrane, outer side of the membraneOne of 7 routes
- L-ornithine + 2-oxoglutarate = L-glutamate 5-semialdehyde + L-glutamate
- transport of alanine and ornithine (cytosol to extracellular)
- (R)-3-Amino-2-methylpropanoate:pyruvate aminotransferase
Catalysed by OAT, SLC7A6, AGXT2extracellular space, cytosol, mitochondrial matrix
- L-ornithine + 2-oxoglutarate = L-glutamate 5-semialdehyde + L-glutamate
- transport of ornithine and tyrosine (cytosol to extracellular)
- thyroid peroxidase (iodine)
Catalysed by OAT, SLC7A6, TPOextracellular space, cytosolOne of 2 routes
- L-ornithine + 2-oxoglutarate = L-glutamate 5-semialdehyde + L-glutamate
- L-Arginine:glycine amidinotransferase
- L-Arginine, NADPH:Oxygen Oxidoreductase (Nitric-Oxide-Forming)
Catalysed by OAT, GATM, NOS3, NOS1 and 1 morecytosolOne of 2 routes
- L-ornithine + 2-oxoglutarate = L-glutamate 5-semialdehyde + L-glutamate
- L-Arginine:glycine amidinotransferase
- transport of D-serine and glycine (cytosol to extracellular)
Catalysed by OAT, GATM, SLC3A2, SLC7A10cytosol, extracellular spaceOne of 4 routes
- L-ornithine + 2-oxoglutarate = L-glutamate 5-semialdehyde + L-glutamate
- transport of ornithine and threonine (cytosol to extracellular)
- L-threonine ammonia-lyase (2-oxobutanoate-forming)
Catalysed by OAT, SLC7A6, SDS, SDSLextracellular space, cytosol
- L-ornithine + 2-oxoglutarate = L-glutamate 5-semialdehyde + L-glutamate
- transport of glutamine and ornithine (cytosol to extracellular)
- L-Glutamine:pyruvate aminotransferase
Catalysed by OAT, SLC7A6, KYAT1extracellular space, cytosolOne of 3 routes
- L-ornithine + 2-oxoglutarate = L-glutamate 5-semialdehyde + L-glutamate
- transport of ornithine and tryptophan (cytosol to extracellular)
- Transport of 3-Hydroxy-L-Kynurenine
Catalysed by OAT, SLC7A6, SLC7A5extracellular space, cytosolOne of 2 routes
- L-glutamate 5-semialdehyde + phosphate + NADP(+) = L-glutamyl 5-phosphate + NADPH + H(+)
- L-glutamate-5-semialdehyde:NADP+ 5-oxidoreductase (phosphorylating)
- aldehyde dehydrogenase (1-pyrroline-5-carboxylate)
Catalysed by ALDH18A1, ALDH4A1mitochondrial matrix, cytosolOne of 4 routes
- L-ornithine + 2-oxoglutarate = L-glutamate 5-semialdehyde + L-glutamate
- transport of alanine and ornithine (cytosol to extracellular)
- Mo-molybdopterin + L-cysteine + AH2 = thio-Mo-molybdopterin + L-alanine + A + H2O
Catalysed by OAT, SLC7A6, MOCOSextracellular space, cytosolOne of 4 routes
- L-ornithine + 2-oxoglutarate = L-glutamate 5-semialdehyde + L-glutamate
- L-Arginine:glycine amidinotransferase
- succinyl-CoA:glycine C-succinyltransferase (decarboxylating)
Catalysed by OAT, GATM, ALAS1, ALAS2 and 1 morecytosol, mitochondrial matrix
- L-ornithine + 2-oxoglutarate = L-glutamate 5-semialdehyde + L-glutamate
- transport of ornithine and tryptophan (cytosol to extracellular)
- L-tryptophan + O2 + H2O = indole-3-pyruvate + H2O2 + NH4(+)
Catalysed by OAT, SLC7A6, IL4I1extracellular space, cytosolOne of 2 routes
- L-ornithine + 2-oxoglutarate = L-glutamate 5-semialdehyde + L-glutamate
- L-ornithine carboxy-lyase (putrescine-forming)
- Putrescine:oxygen oxidoreductase (deaminating)
Catalysed by OAT, ODC1, AOC2, AOC1 and 1 morecytosol, extracellular spaceOne of 2 routes
- L-ornithine + 2-oxoglutarate = L-glutamate 5-semialdehyde + L-glutamate
- transport of histidine and ornithine (cytosol to extracellular)
- L-histidine ammonia-lyase (urocanate-forming)
Catalysed by OAT, SLC7A5, SLC7A6, HALextracellular space, cytosolOne of 2 routes
- L-ornithine + 2-oxoglutarate = L-glutamate 5-semialdehyde + L-glutamate
- transport of ornithine and tryptophan (cytosol to extracellular)
- (6R)-L-erythro-5,6,7,8-tetrahydrobiopterin + L-tryptophan + O2 = 5-hydroxy-L-tryptophan + (4aS,6R)-4a-hydroxy-L-erythro-5,6,7,8-tetrahydrobiopterin
Catalysed by OAT, SLC7A6, TPH1, TPH2extracellular space, cytosol
- L-ornithine + 2-oxoglutarate = L-glutamate 5-semialdehyde + L-glutamate
- transport of leucine and ornithine (cytosol to extracellular)
- L-Leucine:2-oxoglutarate aminotransferase
Catalysed by OAT, SLC7A6, BCAT2extracellular space, cytosol, mitochondrial matrixOne of 4 routes
- L-ornithine + 2-oxoglutarate = L-glutamate 5-semialdehyde + L-glutamate
- L-Arginine:glycine amidinotransferase
- Transport by Y+Lat-2 into Extracellular Space
Catalysed by OAT, GATM, SLC3A2, SLC7A6cytosol, extracellular space
- L-ornithine + 2-oxoglutarate = L-glutamate 5-semialdehyde + L-glutamate
- transport of ornithine and phenylalanine (cytosol to extracellular)
- Phenylalanine Transaminase, Mitochondrial
Catalysed by OAT, SLC7A6, GOT2, TATextracellular space, cytosol, mitochondrial matrixOne of 5 routes
- L-ornithine + 2-oxoglutarate = L-glutamate 5-semialdehyde + L-glutamate
- transport of alanine and ornithine (cytosol to extracellular)
- Transport of Hydroxy-Proline
Catalysed by OAT, SLC7A6, SLC1A4extracellular space, cytosolOne of 4 routes