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Literature summary extracted from

  • Berger, B.J.; Dai, W.W.; Wang, H.; Stark, R.E.; Cerami, A.
    Aromatic amino acid transamination and methionine recycling in trypanosomatids (1996), Proc. Natl. Acad. Sci. USA, 93, 4126-4130.
    View publication on PubMedView publication on EuropePMC

KM Value [mM]

EC Number KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
2.6.1.57 0.33
-
alpha-ketomethiobutyrate 37°C Trypanosoma brucei
2.6.1.57 0.33
-
alpha-ketomethiobutyrate 37°C Crithidia fasciculata
2.6.1.57 0.57
-
L-tyrosine 37°C Trypanosoma brucei
2.6.1.57 0.57
-
L-tyrosine 37°C Crithidia fasciculata
2.6.1.57 1.64
-
L-tryptophan 37°C Trypanosoma brucei
2.6.1.57 1.64
-
L-tryptophan 37°C Crithidia fasciculata
2.6.1.57 2.18
-
phenylalanine 37°C Trypanosoma brucei
2.6.1.57 2.18
-
phenylalanine 37°C Crithidia fasciculata

Natural Substrates/ Products (Substrates)

EC Number Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
2.6.1.57 alpha-ketomethiobutyrate + phenylalanine Trypanosoma brucei best amino donor methionine + phenylpyruvate
-
?
2.6.1.57 alpha-ketomethiobutyrate + phenylalanine Crithidia fasciculata best amino donor methionine + phenylpyruvate
-
?
2.6.1.57 alpha-ketomethiobutyrate + tryptophan Trypanosoma brucei
-
methionine + indolepyruvate
-
?
2.6.1.57 alpha-ketomethiobutyrate + tryptophan Crithidia fasciculata
-
methionine + indolepyruvate
-
?
2.6.1.57 alpha-ketomethiobutyrate + tyrosine Trypanosoma brucei probably involved in the recycling of methionine after the synthesis of polyamines methionine + hydroxyphenylpyruvate
-
?
2.6.1.57 alpha-ketomethiobutyrate + tyrosine Crithidia fasciculata probably involved in the recycling of methionine after the synthesis of polyamines methionine + hydroxyphenylpyruvate
-
?

Organism

EC Number Organism UniProt Comment Textmining
2.6.1.57 Crithidia fasciculata
-
-
-
2.6.1.57 Mus musculus
-
-
-
2.6.1.57 Trypanosoma brucei
-
-
-

Source Tissue

EC Number Source Tissue Comment Organism Textmining
2.6.1.57 liver
-
Mus musculus
-

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
2.6.1.57 alpha-ketomethiobutyrate + L-glutamine best amino donor Mus musculus 2-oxoglutaramide + L-methionine
-
?
2.6.1.57 alpha-ketomethiobutyrate + L-glutamine 18% of activity with phenylalanine Trypanosoma brucei 2-oxoglutaramide + L-methionine
-
?
2.6.1.57 alpha-ketomethiobutyrate + L-glutamine 36% of activity with phenylalanine Crithidia fasciculata 2-oxoglutaramide + L-methionine
-
?
2.6.1.57 alpha-ketomethiobutyrate + L-phenylalanine
-
Mus musculus L-methionine + phenylpyruvate
-
?
2.6.1.57 alpha-ketomethiobutyrate + L-phenylalanine best amino donor Trypanosoma brucei L-methionine + phenylpyruvate
-
?
2.6.1.57 alpha-ketomethiobutyrate + L-phenylalanine best amino donor Crithidia fasciculata L-methionine + phenylpyruvate
-
?
2.6.1.57 alpha-ketomethiobutyrate + L-tryptophan
-
Mus musculus L-methionine + indolepyruvate
-
?
2.6.1.57 alpha-ketomethiobutyrate + L-tryptophan
-
Trypanosoma brucei L-methionine + indolepyruvate
-
?
2.6.1.57 alpha-ketomethiobutyrate + L-tryptophan
-
Crithidia fasciculata L-methionine + indolepyruvate
-
?
2.6.1.57 alpha-ketomethiobutyrate + L-tyrosine
-
Mus musculus L-methionine + hydroxyphenylpyruvate
-
?
2.6.1.57 alpha-ketomethiobutyrate + L-tyrosine
-
Trypanosoma brucei L-methionine + hydroxyphenylpyruvate
-
?
2.6.1.57 alpha-ketomethiobutyrate + L-tyrosine
-
Crithidia fasciculata L-methionine + hydroxyphenylpyruvate
-
?
2.6.1.57 alpha-ketomethiobutyrate + phenylalanine best amino donor Trypanosoma brucei methionine + phenylpyruvate
-
?
2.6.1.57 alpha-ketomethiobutyrate + phenylalanine best amino donor Crithidia fasciculata methionine + phenylpyruvate
-
?
2.6.1.57 alpha-ketomethiobutyrate + tryptophan
-
Trypanosoma brucei methionine + indolepyruvate
-
?
2.6.1.57 alpha-ketomethiobutyrate + tryptophan
-
Crithidia fasciculata methionine + indolepyruvate
-
?
2.6.1.57 alpha-ketomethiobutyrate + tyrosine probably involved in the recycling of methionine after the synthesis of polyamines Trypanosoma brucei methionine + hydroxyphenylpyruvate
-
?
2.6.1.57 alpha-ketomethiobutyrate + tyrosine probably involved in the recycling of methionine after the synthesis of polyamines Crithidia fasciculata methionine + hydroxyphenylpyruvate
-
?
2.6.1.57 arginine + alpha-ketomethiobutyrate
-
Crithidia fasciculata ? + methionine
-
?
2.6.1.57 L-alanine + alpha-ketomethiobutyrate
-
Trypanosoma brucei pyruvate + L-methionine
-
?
2.6.1.57 L-alanine + alpha-ketomethiobutyrate
-
Crithidia fasciculata pyruvate + L-methionine
-
?
2.6.1.57 L-aspartate + alpha-ketomethiobutyrate
-
Trypanosoma brucei oxaloacetate + L-methionine
-
?
2.6.1.57 L-aspartate + alpha-ketomethiobutyrate
-
Crithidia fasciculata oxaloacetate + L-methionine
-
?
2.6.1.57 L-cysteine + alpha-ketomethiobutyrate
-
Trypanosoma brucei 2-oxo-3-thiopropanoate + L-methionine
-
?
2.6.1.57 L-cysteine + alpha-ketomethiobutyrate
-
Crithidia fasciculata 2-oxo-3-thiopropanoate + L-methionine
-
?
2.6.1.57 L-histidine + alpha-ketomethiobutyrate
-
Crithidia fasciculata 3-(1H-imidazol-4-yl)-2-oxopropanoate + L-methionine
-
?
2.6.1.57 L-isoleucine + alpha-ketomethiobutyrate
-
Crithidia fasciculata 3-methyl-2-oxo-pentanoate + L-methionine
-
?
2.6.1.57 L-lysine + alpha-ketomethiobutyrate
-
Crithidia fasciculata 2-oxo-6-amino-hexanoate + L-methionine
-
?
2.6.1.57 L-valine + alpha-ketomethiobutyrate
-
Crithidia fasciculata 3-methyl-2-oxo-butanoate + L-methionine
-
?

Cofactor

EC Number Cofactor Comment Organism Structure
2.6.1.57 pyridoxamine 5'-phosphate
-
Mus musculus
2.6.1.57 pyridoxamine 5'-phosphate
-
Trypanosoma brucei
2.6.1.57 pyridoxamine 5'-phosphate
-
Crithidia fasciculata