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Literature summary extracted from

  • Loewus, M.W.; Loewus, F.A.
    Myo-inositol-1-phosphatase from the pollen of Lilium longiflorum Thunb. (1982), Plant Physiol., 70, 765-770.
    View publication on PubMedView publication on EuropePMC

Inhibitors

EC Number Inhibitors Comment Organism Structure
3.1.3.25 3-phosphoglycerate weak competetive inhibitor Lilium longiflorum
3.1.3.25 Li+ substantial inhibition at 250 mM Lilium longiflorum

KM Value [mM]

EC Number KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
3.1.3.25 0.061
-
 Glycerol 2-phosphate
-
 Lilium longiflorum
3.1.3.25 0.078
-
 D-inositol 1-phosphate
-
 Lilium longiflorum
3.1.3.25 0.082
-
 L-myo-Inositol 1-phosphate
-
 Lilium longiflorum
3.1.3.25 0.372
-
 3'-AMP
-
 Lilium longiflorum
3.1.3.25 0.382
-
 L-glycerol 1-phosphate
-
 Lilium longiflorum
3.1.3.25 0.562
-
 L-glycerol 1-phosphate
-
 Lilium longiflorum
3.1.3.25 0.733
-
 inositol 2-phosphate
-
 Lilium longiflorum
3.1.3.25 1.58
-
 2'-AMP
-
 Lilium longiflorum
3.1.3.25 1.71
-
 D-Glucose-6-phosphate
-
 Lilium longiflorum

Metals/Ions

EC Number Metals/Ions Comment Organism Structure
3.1.3.25 Co2+ less effective than Mg2+, cannot substitute for Mg2+ Lilium longiflorum
3.1.3.25 Fe2+ less effective than Mg2+, cannot substitute for Mg2+ Lilium longiflorum
3.1.3.25 Mg2+ dependent on Lilium longiflorum
3.1.3.25 Zn2+ less effective than Mg2+ Lilium longiflorum

Molecular Weight [Da]

EC Number Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
3.1.3.25 54000
-
 gel filtration Lilium longiflorum

Natural Substrates/ Products (Substrates)

EC Number Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
3.1.3.25 myo-inositol 1-phosphate + H2O Lilium longiflorum
-
 myo-inositol + phosphate
-
 ?

Organism

EC Number Organism UniProt Comment Textmining
3.1.3.25 Lilium longiflorum
-
-
-

Purification (Commentary)

EC Number Purification (Comment) Organism
3.1.3.25
-
 Lilium longiflorum

Source Tissue

EC Number Source Tissue Comment Organism Textmining
3.1.3.25 pollen
-
 Lilium longiflorum
-

Specific Activity [micromol/min/mg]

EC Number Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
3.1.3.25 additional information
-
-
 Lilium longiflorum

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
3.1.3.25 2'-AMP + H2O
-
 Lilium longiflorum adenosine + phosphate
-
 ?
3.1.3.25 3'-AMP + H2O
-
 Lilium longiflorum adenosine + phosphate
-
 ?
3.1.3.25 D-glucose-6-phosphate + H2O
-
 Lilium longiflorum D-glucose + phosphate
-
 ?
3.1.3.25 glycerol 2-phosphate + H2O
-
 Lilium longiflorum glycerol + phosphate
-
 ?
3.1.3.25 inositol 2-phosphate + H2O
-
 Lilium longiflorum ?
-
 ?
3.1.3.25 L-glycerol 1-phosphate + H2O
-
 Lilium longiflorum glycerol + phosphate
-
 ?
3.1.3.25 L-myo-inositol 1-phosphate + H2O
-
 Lilium longiflorum L-myo-inositol + phosphate
-
 ?
3.1.3.25 myo-inositol 1-phosphate + H2O
-
 Lilium longiflorum myo-inositol + phosphate
-
 ?

Temperature Optimum [°C]

EC Number Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
3.1.3.25 37
-
-
 Lilium longiflorum

pH Optimum

EC Number pH Optimum Minimum pH Optimum Maximum Comment Organism
3.1.3.25 8.5
-
-
 Lilium longiflorum