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2.6.1.1: aspartate transaminase

This is an abbreviated version!
For detailed information about aspartate transaminase, go to the full flat file.

Word Map on EC 2.6.1.1

Reaction

L-aspartate
+
2-oxoglutarate
=
oxaloacetate
+
L-glutamate

Synonyms

2-oxoglutarate-glutamate aminotransferase, AAT, AAT-2, AAT-3, AAT3, aatA, AATase, aatB3, all2340, alr1039, alr2765, alr4853, aminotransferase, aspartate, aoa/coa, AsAT, Asp AT, aspartate alpha-ketoglutarate transaminase, aspartate aminotransferase, aspartate aminotransferase 1, aspartate aminotransferase A, aspartate AT, aspartate transaminase, aspartate, 2-oxoglutarate aminotransferase, aspartate-2-oxoglutarate transaminase, aspartate/(R)-cysteate:2-oxoglutarate aminotransferase, aspartate/tyrosine/phenylalanine pyridoxal-5'-phosphate-dependent aminotransferase, aspartate:2-oxoglutarate amino-transferase, aspartate:2-oxoglutarate aminotransferase, aspartic acid aminotransferase, aspartic aminotransferase, aspartyl aminotransferase, AspAT, AspATSs, aspB, aspC, AspT, AST, AST-Bb, AtPAT, bifunctional aspartate aminotransferase and glutamate/aspartate-prephenate aminotransferase, C-S lyase, CAA1, cAST, Cgl0240, class Ibeta AAT, EcAspAT, GL50803_91056, glutamate oxaloacetate transaminase, glutamate oxaloacetate transaminase 1, glutamate-oxalacetate aminotransferase, glutamate-oxalate transaminase, glutamate-oxaloacetate transaminase 1, glutamic oxalic transaminase, glutamic oxaloacetic transaminase, glutamic-aspartic aminotransferase, glutamic-aspartic transaminase, glutamic-oxalacetic transaminase, glutamic-oxaloacetic transaminase, GOT, GOT (enzyme), GOT1, GOT1L1, GOT2, KAT IV, L-aspartate aminotransferase, L-aspartate transaminase, L-aspartate-2-ketoglutarate aminotransferase, L-aspartate-2-oxoglutarate aminotransferase, L-aspartate-2-oxoglutarate-transaminase, L-aspartate-alpha-ketoglutarate transaminase, L-aspartate:2-oxoglutarate aminotransferase, L-aspartateartate aminotransferase, L-aspartic aminotransferase, L-AspAT, mitAAT, More, oxaloacetate transferase, oxaloacetate-aspartate aminotransferase, Pat, PfAspAT, plastid aspartate aminotransferase, prephenate aminotransferase, protein TT0402, PT-AAT, Rv3722c, Sar2028, SsAspAT, Tb11.02.2740, transaminase A

ECTree

     2 Transferases
         2.6 Transferring nitrogenous groups
             2.6.1 Transaminases
                2.6.1.1 aspartate transaminase

Inhibitors

Inhibitors on EC 2.6.1.1 - aspartate transaminase

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INHIBITOR
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
IMAGE
(2-chloro-6-[[(3,5-dimethyl-4H-1,2,4-triazol-4-yl)imino-kappaN]methyl]phenolato-kappaO)(2-[[(3-methyl-4H-1,2,4-triazol-4-yl)imino-kappaN]methyl]phenolato-kappaO)copper
-
-
(2-[[(3,5-dimethyl-4H-1,2,4-triazol-4-yl)imino-kappaN]methyl]phenolato-kappaO)(2-hydroxyethyl)(2-[[(3-methyl-4H-1,2,4-triazol-4-yl)imino-kappaN]methyl]phenolato-kappaO)cuprate(1-)
-
-
(S)-4-amino-4,5-dihydro-2-furancarboxylic acid
crystal structures of the Escherichi coli aspartate aminotransferase with (S)-4-amino-4,5-dihydro-2-furancarboxylic acid bound to the active site are obtained via cocrystallization at pH 7.5 and 8. The complex structures suggest that (S)-4-amino-4,5-dihydro-2-furancarboxylic acid inhibits the transamination reaction by forming adducts with the catalytic lysine 246 via a covalent bond while producing 1 equivalent of pyridoxamine 5'-phosphate
1-(2,4-dichlorophenyl)-3-[2-(1H-indol-3-yl)ethyl]urea
-
1-(4-chlorophenyl)-3-[2-(1H-indol-3-yl)ethyl]urea
-
1-biphenyl-2-yl-3-[2-(1H-indol-3-yl)ethyl]urea
-
1-[2-(1H-indol-3-yl)ethyl]-3-phenylurea
-
1-[2-(1H-indol-3-yl)ethyl]-3-[3-(trifluoromethyl)phenyl]urea
-
1-[2-(1H-indol-3-yl)ethyl]-3-[4-(trifluoromethyl)phenyl]urea
-
2-methyl-DL-aspartate
binds to the pyridoxal 5'-phosphate form of the enzyme, formation of an external aldimine complex
2-oxoglutaconate
2-oxoglutaconic acid dimethyl ester
-
15% inhibition at 25°C, pH 7.0, 10 mM, after 2 h; pyridoxal 5'-phosphate enzyme form, cytosolic isozyme
2-oxoglutarate
4-(1H-indazol-4-yl)-N-phenylpiperazine-1-carboxamide
-
4-(1H-indol-4-yl)-N-(2-methylphenyl)piperazine-1-carboxamide
-
4-(1H-indol-4-yl)-N-(3-methylphenyl)piperazine-1-carboxamide
-
4-(1H-indol-4-yl)-N-(3-phenoxyphenyl)piperazine-1-carboxamide
-
4-(1H-indol-4-yl)-N-(4-methylphenyl)piperazine-1-carboxamide
-
4-(1H-indol-4-yl)-N-(propan-2-yl)piperazine-1-carboxamide
-
4-(1H-indol-4-yl)-N-(pyridazin-4-yl)piperazine-1-carboxamide
-
4-(1H-indol-4-yl)-N-(pyridin-3-yl)piperazine-1-carboxamide
-
4-(1H-indol-4-yl)-N-(pyrimidin-5-yl)piperazine-1-carboxamide
-
4-(1H-indol-4-yl)-N-phenylpiperazine-1-carboxamide
-
4-(1H-indol-4-yl)-N-[2-(trifluoromethyl)phenyl]piperazine-1-carboxamide
-
4-(1H-indol-4-yl)-N-[3-(methylcarbamoyl)phenyl]piperazine-1-carboxamide
-
4-(1H-indol-4-yl)-N-[3-(trifluoromethyl)phenyl]piperazine-1-carboxamide
-
4-(1H-indol-4-yl)-N-[4-(methylcarbamoyl)phenyl]piperazine-1-carboxamide
-
4-(1H-indol-4-yl)-N-[4-(trifluoromethyl)phenyl]piperazine-1-carboxamide
-
4-(3-methoxyphenyl)-N-phenylpiperazine-1-carboxamide
-
4-(5-methyl-1H-indol-4-yl)-N-phenylpiperazine-1-carboxamide
-
4-(6-chloro-1H-indol-4-yl)-N-phenylpiperazine-1-carboxamide
-
4-(6-methyl-1H-indol-4-yl)-N-phenylpiperazine-1-carboxamide
-
4-(7-chloro-1H-indol-4-yl)-N-phenylpiperazine-1-carboxamide
-
4-(7-methyl-1H-indol-4-yl)-N-phenylpiperazine-1-carboxamide
-
4-(methylsulfonyl)-N-phenylpiperazine-1-carboxamide
-
4-acetyl-N-phenylpiperazine-1-carboxamide
-
adipate
alpha-aminoadipate
-
IC50: 1.5 mM
aminoguanidine
-
competes with the enzyme for pyridoxal 5'-phosphate, forms complexes with pyridoxal 5'-phosphate, 70% enzyme inhibition at 1 mM
aminooxyacetic acid hemihydrochloride
aqua[2-([[3-bromo-6-(hydroxy-kappaO)cyclohexa-2,4-dien-1-yl]methylidene]amino-kappaN)benzoato(2-)-kappaO]cuprate(1-)
-
-
aqua[2-([[3-chloro-6-(hydroxy-kappaO)cyclohexa-2,4-dien-1-yl]methylidene]amino-kappaN)benzoato(2-)-kappaO]cuprate(1-)
-
-
aspartate
-
IC50: 0.3 mM
bis[4-chloro-2-[(phenylimino-kappaN)methyl]phenolato-kappaO]copper
-
-
bis[4-nitro-2-[(phenylimino-kappaN)methyl]phenolato-kappaO]copper
-
-
Ca2+
-
AST II
chymoptrypsin
-
cytosolic isozyme at 1 mg/ml, no inhibition of mitochondrial isozyme
-
cysteine
dokcing sturdy with wild-type and mutant enzymes
diaqua[2-chloro-6-[[(3,5-dimethyl-4H-1,2,4-triazol-4-yl)imino-kappaN]methyl]-4-(hydroxymethyl)phenolato-kappaO](2-[[(3-methyl-4H-1,2,4-triazol-4-yl)imino-kappaN]methyl]phenolato-kappaO)copper
-
-
diaqua[3-([[2-(carboxy-kappaO)phenyl]imino-kappaN]methyl)-4-(hydroxy-kappaO)cyclohexa-1,5-dien-1-yl](hydroxy)oxoammoniumato(2-)copper
-
-
fumarate
gamma-Acetylenic GABA
-
-
glutamate
-
IC50: 0.9 mM
Glutarate
Hadacidin
-
i.e. N-formylhydroxyaminoacetic acid
hesperidin
-
-
hesperitin
-
-
hydroxylamine
inhibition of PfAspAT abolishes all glutamate oxaloacetate transamination activity in the cytoplasm of cultured parasites, demonstrating that no other enzyme within the cytoplasm can complement PfAspAT activity
isocitrate
-
-
isonicotinic acid hydrazine
L-2-amino-5-methoxy-5-oxopentanoic acid
-
only isozyme AAT2, competitive against L-asparate
L-aspartate
L-Cycloserine
-
cytosolic isozyme, weak inhibition only after 24 h incubation, 1 mM
L-cysteic acid
-
competitive
L-cysteine
-
10 mM, 30% inactivation
L-cysteine sulfinic acid
-
weak, competitive to 2-oxoglutarate
L-cysteinic acid
-
-
L-glutamate
L-glutamine
-
-
L-histidine
-
inhibition is relieved by high concentrations of substrates
L-serine O-sulfate
-
inhibition of cytosolic enzyme, no inhibition of mitochondrial enzyme
malate
Maleate
Methylacetimidate
-
complete inhibition at 50 mM
Mg2+
-
AST II
MgCl2
-
2 mM
N,4-diphenylpiperazine-1-carboxamide
-
N-(1,3-benzothiazol-5-yl)-4-(1H-indol-4-yl)piperazine-1-carboxamide
-
N-(2,4-dichlorophenyl)-4-(1H-indol-4-yl)piperazine-1-carboxamide
-
N-(2-chlorophenyl)-4-(1H-indol-4-yl)piperazine-1-carboxamide
-
N-(3,5-dichlorophenyl)-4-(1H-indol-4-yl)piperazine-1-carboxamide
-
N-(3-chlorophenyl)-4-(1H-indol-4-yl)piperazine-1-carboxamide
-
N-(4-benzoylphenyl)-4-(1H-indol-4-yl)piperazine-1-carboxamide
-
N-(4-chlorophenyl)-4-(1H-indol-4-yl)piperazine-1-carboxamide
-
N-5'-phosphopyridoxyl L-aspartate
-
cofactor analogue binds covalently to the enzyme
N-ethylmaleimide
-
alkylation of cysteine residues
N-phenyl-4-(propan-2-yl)piperazine-1-carboxamide
-
N-phenyl-4-(pyridin-4-yl)piperazine-1-carboxamide
-
N-phenyl-4-(quinolin-5-yl)piperazine-1-carboxamide
-
Ni2+
-
AST II
oxaloacetate
p-chloromercuribenzoate
p-hydroxymercuribenzoate
-
-
palmitate
-
0.1 mM
phosphate
-
inhibition of cofactor binding to the apoenzyme, cytosolic and mitochondrial isozymes
potassium phosphate
-
-
Pro
-
hyperprolinemia type II is an autosomal recessive disorder caused by severe deficiency of enzyme DELTA1-pyrroline-5-carboxylic acid dehydrogenase leading to tissue accumulation of proline. Proline has direct inhibitory effect on aspartate transaminase activity of different brain regions leading to lesser synthesis of glutamate thereby causing neurological dysfunctions
protein-binding copper complex 10
-
-
protein-binding copper complex 11
-
-
protein-binding copper complex 9
-
-
proteinase K
-
both cytosolic and mitochondrial isozymes
-
quisqualate
-
6 mM, 90% inhibition
Sodium mersalyl
-
cytosolic isozyme, 40% inhibition after 60 min at 5 mM and 30°C
Subtilisin
-
only cytosolic isozyme
-
succinate
Thiosemicarbazide
-
-
Trypsin
-
weak inhibition of mitochondrial isozyme
-
Zn2+
-
AST II
additional information
-