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Literature summary for 3.1.3.72 extracted from

  • Baldi, B.G.; Scott, J.J.; Everard, J.D.; Loewus, F.A.
    Localization of constitutive phytases in lily pollen and properties of the pH 8 form (1988), Plant Sci., 56, 137-147.
No PubMed abstract available

Inhibitors

Inhibitors Comment Organism Structure
EDTA 5 mM, complete inhibition due to a dependence on Ca2+ Lilium longiflorum
additional information not inhibited by flouride Lilium longiflorum

Localization

Localization Comment Organism GeneOntology No. Textmining
membrane integral component of the storage body membrane Lilium longiflorum 16020
-

Metals/Ions

Metals/Ions Comment Organism Structure
Ca2+ activates Lilium longiflorum
Ca2+ dependence on Ca2+ Lilium longiflorum

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
myo-inositol-1,2,3,4,5,6-hexakisphosphate + H2O Lilium longiflorum important component of phytic acid metabolism, constitutive enzyme myo-inositol-1,2,3,4,6-pentakisphosphate + phosphate
-
?

Organism

Organism UniProt Comment Textmining
Lilium longiflorum
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cv. Nellie White
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Pinus ponderosa
-
-
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Typha latifolia
-
-
-

Purification (Commentary)

Purification (Comment) Organism
recovery is most complete when detergent or phospholipase C is included in extracting medium Lilium longiflorum

Source Tissue

Source Tissue Comment Organism Textmining
pollen
-
Pinus ponderosa
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pollen
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Typha latifolia
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pollen localized in mature pollen, germination results in a rapid increase of enzyme that persists at the higher level for at least 6 h Lilium longiflorum
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pollen at the inner surfaces of storage bodies, the phytin-containing organelles in pollen, integral component of the membrane Lilium longiflorum
-

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
additional information myo-inositol pentakisphosphates are no good substrates, terminal hydrolysis to myo-inositol trisphosphate Lilium longiflorum ?
-
?
myo-inositol-1,2,3,4,5,6-hexakisphosphate + H2O high substrate specificity for phytic acid Lilium longiflorum myo-inositol-1,2,3,4,6-pentakisphosphate + phosphate
-
?
myo-inositol-1,2,3,4,5,6-hexakisphosphate + H2O important component of phytic acid metabolism, constitutive enzyme Lilium longiflorum myo-inositol-1,2,3,4,6-pentakisphosphate + phosphate
-
?

Synonyms

Synonyms Comment Organism
pH 8 phytase
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Lilium longiflorum

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
37
-
assay at Lilium longiflorum

Temperature Stability [°C]

Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
additional information
-
heat stable Lilium longiflorum
55
-
40 min: no loss of activity, 80 min: 50% loss of activity Lilium longiflorum

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
8
-
-
Lilium longiflorum