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Literature summary extracted from

  • Kim, H.; Eskin, N.A.M.
    Canola phytase: Isolation and characterization (1987), J. Food Sci., 52, 1353-1354.
No PubMed abstract available

KM Value [mM]

EC Number KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
3.1.3.26 0.25
-
myo-inositol hexakisphosphate isoenzyme II Brassica napus
3.1.3.26 0.36
-
myo-inositol hexakisphosphate isoenzyme I Brassica napus

Molecular Weight [Da]

EC Number Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
3.1.3.26 71000
-
gel filtration Brassica napus

Organism

EC Number Organism UniProt Comment Textmining
3.1.3.26 Brassica napus
-
2 isoenzymes
-
3.1.3.26 Brassica napus
-
The enzyme may be a 3-phytase (EC 3.1.3.8), or a 4-phytase (synonym 6-phytase, EC 3.1.3.26). The product of the hydrolysis of myo-inositol hexakisphosphate to 1D-myo-inositol 1,2,4,5,6-pentakisphosphate or alternatively 1D-myo-inositol 1,2,3,5,6-pentakisphosphate has not been identified.
-

Purification (Commentary)

EC Number Purification (Comment) Organism
3.1.3.26
-
Brassica napus

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
3.1.3.26 myo-inositol hexakisphosphate + H2O
-
Brassica napus myo-inositol pentakisphosphate + phosphate
-
?

Temperature Optimum [°C]

EC Number Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
3.1.3.26 50
-
isoenzyme I and II Brassica napus

pH Optimum

EC Number pH Optimum Minimum pH Optimum Maximum Comment Organism
3.1.3.26 4.5 5 isoenzyme I Brassica napus
3.1.3.26 5
-
isoenzyme II Brassica napus