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Literature summary for 3.1.3.26 extracted from

  • Houde, R.L.; Alli, I.; Kermasha, S.
    Purification and characterization of Canola seed (Brassica sp.) phytase (1990), J. Food Biochem., 14, 331-351.
    View publication on PubMed
Search for more literature for 3.1.3.26

Inhibitors

Inhibitors Comment Organism Structure
Cu2+ strong Brassica sp.
Pb2+
-
 Brassica sp.
phosphate competitive Brassica sp.
Zn2+
-
 Brassica sp.

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.36
-
 myo-inositol hexakisphosphate
-
 Brassica sp.

Metals/Ions

Metals/Ions Comment Organism Structure
Co2+ 0.1 mM, activation Brassica sp.

Organism

Organism UniProt Comment Textmining
Brassica sp.
-
 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)

Purification (Comment) Organism
partial Brassica sp.

Source Tissue

Source Tissue Comment Organism Textmining
seed
-
 Brassica sp.
-

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
ATP + H2O
-
 Brassica sp. ?
-
 ?
diphosphate + H2O
-
 Brassica sp. 2 phosphate
-
 ?
glycerol 2-phosphate + H2O
-
 Brassica sp. glycerol + phosphate
-
 ?
myo-inositol hexakisphosphate + H2O
-
 Brassica sp. myo-inositol pentakisphosphate + phosphate
-
 ?
p-nitrophenyl phosphate + H2O
-
 Brassica sp. p-nitrophenol + phosphate
-
 ?
phenyl phosphate + H2O
-
 Brassica sp. phenol + phosphate
-
 ?

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
50
-
-
 Brassica sp.

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
5.2
-
-
 Brassica sp.