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Literature summary extracted from

  • Humble, R.W.; Mackenzie, G.; Shaw, G.
    Rapid purification of a bifunctional protein complex possessing phosphoribosylaminoimidazole carboxylase (EC 4.1.1.21) and phosphoribosylaminoimidazolesuccinocarboxamide synthetase (1991), Adv. Exp. Med. Biol., 309B, 223-227.
    View publication on PubMed

General Stability

EC Number General Stability Organism
6.3.2.6 DTT is essential in maintaining the stability, in absence of DTT the activity is completely lost within two hours of extraction Ovis aries
6.3.2.6 the ionic strength required to maintain enzyme activity is 0.1 M Tris HCl, at pH 7.8 Ovis aries

Metals/Ions

EC Number Metals/Ions Comment Organism Structure
6.3.2.6 Mg2+ required Ovis aries

Molecular Weight [Da]

EC Number Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
6.3.2.6 96000
-
gradient gel electrophoresis of the native protein Ovis aries
6.3.2.6 420000
-
gel filtration Ovis aries

Organism

EC Number Organism UniProt Comment Textmining
6.3.2.6 Ovis aries
-
-
-

Purification (Commentary)

EC Number Purification (Comment) Organism
6.3.2.6 copurification of the bifunctional protein complex possessing phosphoribosylaminoimidazole carboxylase (EC 4.1.1.21) and phosphoribosylaminoimidazolesuccinocarboxamide synthetase (EC 6.3.2.6) Ovis aries

Specific Activity [micromol/min/mg]

EC Number Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
6.3.2.6 11.06
-
-
Ovis aries

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
6.3.2.6 ATP + 1-(5'-phosphoribosyl)-5-amino-4-carboxyimidazole + L-Asp
-
Ovis aries ADP + phosphate + 1-(5'-phosphoribosyl)-5-amino-4-(N-succinocarboxamide)-imidazole
-
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pH Stability

EC Number pH Stability pH Stability Maximum Comment Organism
6.3.2.6 7.4 8 narrow stability profile with maximal stability at pH 7.6 Ovis aries