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Literature summary extracted from

  • Stockbridge, R.B.; Wolfenden, R.
    The intrinsic reactivity of ATP and the catalytic proficiencies of kinases acting on glucose, N-acetylgalactosamine, and homoserine: a thermodynamic analysis (2009), J. Biol. Chem., 284, 22747-22757.
    View publication on PubMedView publication on EuropePMC

KM Value [mM]

EC Number KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
2.7.1.39 0.087
-
L-homoserine method: isothermal titration calometry Methanocaldococcus jannaschii
2.7.1.39 0.11
-
ATP method: isothermal titration calometry Methanocaldococcus jannaschii
2.7.1.157 additional information
-
additional information enzyme kinetics and thermodynamics, detailed overview Homo sapiens
2.7.1.157 0.093
-
ATP pH 7.0, 25°C Homo sapiens
2.7.1.157 0.12
-
N-acetyl-D-galactosamine pH 7.0, 25°C Homo sapiens

Metals/Ions

EC Number Metals/Ions Comment Organism Structure
2.7.1.157 Mg2+ addition of Mg2+ leads to partly compensating changes in DELTAH and TDELTAS, accelerating the nonenzymatic methanolysis of ATP 11fold Homo sapiens

Natural Substrates/ Products (Substrates)

EC Number Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
2.7.1.157 ATP + N-acetyl-D-galactosamine Homo sapiens
-
ADP + N-acetyl-alpha-D-galactosamine 1-phosphate
-
?

Organism

EC Number Organism UniProt Comment Textmining
2.7.1.39 Methanocaldococcus jannaschii
-
-
-
2.7.1.157 Homo sapiens
-
-
-

Reaction

EC Number Reaction Comment Organism Reaction ID
2.7.1.157 ATP + N-acetyl-alpha-D-galactosamine = ADP + N-acetyl-alpha-D-galactosamine 1-phosphate ATP hydrolysis and methanolysis reaction pathways, overview Homo sapiens

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
2.7.1.39 ATP + L-homoserine
-
Methanocaldococcus jannaschii ADP + O-phospho-L-homoserine
-
?
2.7.1.39 L-homoserine + ATP
-
Methanocaldococcus jannaschii O-phospho-L-homoserine + ADP
-
?
2.7.1.157 ATP + N-acetyl-D-galactosamine
-
Homo sapiens ADP + N-acetyl-alpha-D-galactosamine 1-phosphate
-
?

Synonyms

EC Number Synonyms Comment Organism
2.7.1.39 homoserine kinase
-
Methanocaldococcus jannaschii
2.7.1.157 GalNAcK
-
Homo sapiens

Temperature Optimum [°C]

EC Number Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
2.7.1.157 25
-
assay at Homo sapiens

Turnover Number [1/s]

EC Number Turnover Number Minimum [1/s] Turnover Number Maximum [1/s] Substrate Comment Organism Structure
2.7.1.39 0.75
-
L-homoserine method: isothermal titration calometry Methanocaldococcus jannaschii
2.7.1.157 2.5
-
ATP pH 7.0, 25°C Homo sapiens
2.7.1.157 2.5
-
N-acetyl-D-galactosamine pH 7.0, 25°C Homo sapiens

pH Optimum

EC Number pH Optimum Minimum pH Optimum Maximum Comment Organism
2.7.1.157 7
-
assay at Homo sapiens

pH Range

EC Number pH Minimum pH Maximum Comment Organism
2.7.1.157 4.8 11
-
Homo sapiens

Cofactor

EC Number Cofactor Comment Organism Structure
2.7.1.157 ATP addition of Mg2+ leads to partly compensating changes in DELTAH and TDELTAS, accelerating the nonenzymatic methanolysis of ATP 11fold. ATP hydrolysis and methanolysis reaction pathways, overview Homo sapiens