Any feedback?
Please rate this page
(literature.php)
(0/150)

BRENDA support

Literature summary for 3.1.3.26 extracted from

  • Hara, A.; Ebina, S.; Kondo, A.; Funaguma, T.
    A new type of phytase from pollen of Typha latifolia L. (1985), Agric. Biol. Chem., 49, 3539-3544.
No PubMed abstract available

Inhibitors

Inhibitors Comment Organism Structure
Ca2+ activation at lower concentration Typha latifolia

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.017
-
myo-inositol hexakisphosphate in presence of Ca2+ Typha latifolia

Metals/Ions

Metals/Ions Comment Organism Structure
Ca2+ inhibits at higher concentration Typha latifolia

Organism

Organism UniProt Comment Textmining
Typha latifolia
-
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 Typha latifolia

Source Tissue

Source Tissue Comment Organism Textmining
pollen
-
Typha latifolia
-

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
0.096
-
-
Typha latifolia

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
myo-inositol hexakisphosphate + H2O
-
Typha latifolia myo-inositol pentakisphosphate + phosphate
-
?
myo-inositol hexakisphosphate + H2O
-
Typha latifolia ? + phosphate
-
?
p-nitrophenyl phosphate + H2O 6% of the activity with myo-inositol hexakisphosphate Typha latifolia p-nitrophenol + phosphate
-
?

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
8
-
-
Typha latifolia

pH Range

pH Minimum pH Maximum Comment Organism
6 8 pH 6.0: about 20% of maximal activity, pH 8.0: maximal activity Typha latifolia