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Literature summary for 3.1.3.8 extracted from

  • Tseng, Y.H.; Fang, T.J.; Tseng, S.M.
    Isolation and characterization of a novel phytase from Penicillium simplicissimum (2000), FEMS Microbiol. Rev., 45, 121-127.
    View publication on PubMed

Inhibitors

Inhibitors Comment Organism Structure
Fe2+ strong Penicillium simplicissimum
Fe3+ strong Penicillium simplicissimum
additional information no inhibition by EDTA and PMSF Penicillium simplicissimum
Zn2+ strong Penicillium simplicissimum

Localization

Localization Comment Organism GeneOntology No. Textmining
extracellular
-
Penicillium simplicissimum
-
-

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
65000
-
x * 65000, SDS-PAGE Penicillium simplicissimum

Organism

Organism UniProt Comment Textmining
Penicillium simplicissimum
-
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.
-

Posttranslational Modification

Posttranslational Modification Comment Organism
glycoprotein
-
Penicillium simplicissimum

Purification (Commentary)

Purification (Comment) Organism
-
Penicillium simplicissimum

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
myo-inositol hexakisphosphate + H2O
-
Penicillium simplicissimum ? + phosphate
-
?

Subunits

Subunits Comment Organism
? x * 65000, SDS-PAGE Penicillium simplicissimum

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
55
-
-
Penicillium simplicissimum

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
4
-
-
Penicillium simplicissimum

pI Value

Organism Comment pI Value Maximum pI Value
Penicillium simplicissimum isoelectric focusing
-
5.8