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Literature summary extracted from

  • Hickman, J.; Ashwell, G.
    Purification and properties of D-xylulokinase in liver (1958), J. Biol. Chem., 232, 737-748.
    View publication on PubMed

General Stability

EC Number General Stability Organism
2.7.1.17 repeated freeze-thawing inactivates, sulfhydryl compounds do not stabilize Bos taurus

Inhibitors

EC Number Inhibitors Comment Organism Structure
2.7.1.17 ADP product inhibition Bos taurus
2.7.1.17 ATP additional Mg2+ reverses Bos taurus
2.7.1.17 additional information no inhibition by F- or iodoacetate Bos taurus
2.7.1.17 PCMB cysteine reverses Bos taurus

Metals/Ions

EC Number Metals/Ions Comment Organism Structure
2.7.1.17 Fe2+ no activation Bos taurus
2.7.1.17 Mg2+ requirement, Mg2+/ATP ratio of at least 1 Bos taurus
2.7.1.17 Zn2+ no activation Bos taurus

Natural Substrates/ Products (Substrates)

EC Number Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
2.7.1.17 ATP + D-xylulose Bos taurus enzyme of ribitol catabolism, inducible by ribitol ?
-
?

Organism

EC Number Organism UniProt Comment Textmining
2.7.1.17 Bos taurus
-
calf
-

Source Tissue

EC Number Source Tissue Comment Organism Textmining
2.7.1.17 liver
-
Bos taurus
-

Specific Activity [micromol/min/mg]

EC Number Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
2.7.1.17 4.1
-
-
Bos taurus

Storage Stability

EC Number Storage Stability Organism
2.7.1.17 -12°C, ammonium sulfate precipitate, over 1 month Bos taurus
2.7.1.17 enzyme preparations are generally very unstable and lose their activity within a few days Bos taurus

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
2.7.1.17 ATP + D-xylulose enzyme of ribitol catabolism, inducible by ribitol Bos taurus ?
-
?
2.7.1.17 ATP + D-xylulose
-
Bos taurus ADP + D-xylulose 5-phosphate
-
r

pH Optimum

EC Number pH Optimum Minimum pH Optimum Maximum Comment Organism
2.7.1.17 8
-
-
Bos taurus

pH Range

EC Number pH Minimum pH Maximum Comment Organism
2.7.1.17 6 10 about half-maximal activity at pH 6 and 10 Bos taurus