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Literature summary for 3.1.3.25 extracted from

  • Roth, S.C.; Harkness, D.R.; Isaacks, R.E.
    Studies on avian erythrocyte metabolism: purification and properties of myo-inositol 1-phosphatase from chick erythrocytes (1981), Arch. Biochem. Biophys., 210, 465-473.
    View publication on PubMed

Inhibitors

Inhibitors Comment Organism Structure
Ca2+
-
Gallus gallus
EDTA
-
Gallus gallus
HgCl2
-
Gallus gallus
myo-inositol 1,3,4,5,6 pentakis(dihydrogen phosphate)
-
Gallus gallus
myo-Inositol tetrakis(dihydrogen phosphate)
-
Gallus gallus
NaF 90% inhibition by 10 mM Gallus gallus
p-hydroxymercuribenzoate
-
Gallus gallus

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.086
-
DL-myo-inositol 1-phosphate
-
Gallus gallus
0.286
-
inositol 2-phosphate
-
Gallus gallus

Metals/Ions

Metals/Ions Comment Organism Structure
Co2+
-
Gallus gallus
Fe2+
-
Gallus gallus
Mg2+ dependent on Gallus gallus
Mn2+ stimulates Gallus gallus
additional information absolute requirement for divalent cations, Mg2+ greatest activity Gallus gallus
Zn2+
-
Gallus gallus

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
60000
-
gel filtration Gallus gallus

Organism

Organism UniProt Comment Textmining
Gallus gallus
-
-
-

Purification (Commentary)

Purification (Comment) Organism
-
Gallus gallus

Source Tissue

Source Tissue Comment Organism Textmining
erythrocyte
-
Gallus gallus
-

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
additional information
-
-
Gallus gallus

Storage Stability

Storage Stability Organism
at 4°C stable for 1 week, after that time 30% loss of activity per week Gallus gallus

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
2'-AMP + H2O
-
Gallus gallus adenosine + phosphate
-
?
2'-CMP + H2O
-
Gallus gallus cytidine + phosphate
-
?
2'-GMP + H2O
-
Gallus gallus guanosine + phosphate
-
?
2'-UMP + H2O
-
Gallus gallus uridine + phosphate
-
?
2,3-diphosphoglycerate + H2O
-
Gallus gallus ?
-
?
2-phosphoglycerate + H2O
-
Gallus gallus ?
-
?
2-phosphoglycolate + H2O
-
Gallus gallus ?
-
?
3'-AMP + H2O
-
Gallus gallus adenosine + phosphate
-
?
3'-CMP + H2O
-
Gallus gallus cytidine + phosphate
-
?
3'-GMP + H2O
-
Gallus gallus guanosine + phosphate
-
?
3'-UMP + H2O
-
Gallus gallus uridine + phosphate
-
?
3-phosphoglycerate + H2O
-
Gallus gallus ?
-
?
5'-CMP + H2O
-
Gallus gallus cytidine + phosphate
-
?
5'-dAMP + H2O
-
Gallus gallus adenosine + phosphate
-
?
5'-GMP + H2O
-
Gallus gallus guanosine + phosphate
-
?
5'-UMP + H2O
-
Gallus gallus uridine + phosphate
-
?
D-glucose 6-phosphate + H2O
-
Gallus gallus ?
-
?
DL-myo-inositol 1-phosphate + H2O
-
Gallus gallus DL-myo-inositol + phosphate
-
?
glycerol 2-phosphate + H2O
-
Gallus gallus glycerol + phosphate
-
?
inosine 5'-phosphate + H2O
-
Gallus gallus ?
-
?
inositol 2-phosphate + H2O
-
Gallus gallus ?
-
?
L-glycerol 1-phosphate + H2O
-
Gallus gallus glycerol + phosphate
-
?
additional information small activity: 5-ribonucleotides Gallus gallus ?
-
?
purine nucleotides + H2O
-
Gallus gallus ?
-
?
pyrimidine ribonucleotides + H2O
-
Gallus gallus ?
-
?

Temperature Stability [°C]

Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
60
-
no loss of activity after 3 h, dialyzed hemolysates Gallus gallus
70
-
no loss of activity after 30 min Gallus gallus

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
7
-
-
Gallus gallus

pH Range

pH Minimum pH Maximum Comment Organism
5.5 9
-
Gallus gallus
6.5 7.2
-
Gallus gallus