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Literature summary extracted from

  • Yamada, K.; Minoda, Y.; Yamamoto, S.
    Phytase from Aspergillus terreus. Part I. Production and some general properties of the enzyme (1968), Agric. Biol. Chem., 32, 1275-1282.
No PubMed abstract available

Organism

EC Number Organism UniProt Comment Textmining
3.1.3.8 Aspergillus terreus
-
-
-
3.1.3.8 Aspergillus terreus 9A1
-
-
-

Purification (Commentary)

EC Number Purification (Comment) Organism
3.1.3.8
-
 Aspergillus terreus

Specific Activity [micromol/min/mg]

EC Number Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
3.1.3.8 additional information
-
-
 Aspergillus terreus

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
3.1.3.8 myo-inositol hexakisphosphate + H2O
-
 Aspergillus terreus 1-L-myo-inositol 1,2,4,5,6-pentakisphosphate + myo-inositol-1,2,5,6 tetrakisphosphate + phosphate
-
 ?
3.1.3.8 myo-inositol hexakisphosphate + H2O
-
 Aspergillus terreus 9A1 1-L-myo-inositol 1,2,4,5,6-pentakisphosphate + myo-inositol-1,2,5,6 tetrakisphosphate + phosphate
-
 ?

Temperature Optimum [°C]

EC Number Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
3.1.3.8 70
-
-
 Aspergillus terreus

Temperature Stability [°C]

EC Number Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
3.1.3.8 30
-
 pH 4.5, 20 min, stable Aspergillus terreus
3.1.3.8 40
-
 pH 4.5, 20 min, about 5% loss of activity Aspergillus terreus
3.1.3.8 50
-
 pH 4.5, 20 min, about 10% loss of activity Aspergillus terreus
3.1.3.8 60
-
 pH 4.5, 20 min, about 15% loss of activity Aspergillus terreus
3.1.3.8 70
-
 pH 4.5, 20 min, about 80% loss of activity Aspergillus terreus

pH Optimum

EC Number pH Optimum Minimum pH Optimum Maximum Comment Organism
3.1.3.8 4.5
-
-
 Aspergillus terreus

pH Range

EC Number pH Minimum pH Maximum Comment Organism
3.1.3.8 3.5 6 pH 3.5: about 50% of maximal activity, pH 6.0: about 30% of maximal activity Aspergillus terreus

pH Stability

EC Number pH Stability pH Stability Maximum Comment Organism
3.1.3.8 1.2 9 4°C, 40 h, stable Aspergillus terreus