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Literature summary for 3.1.3.8 extracted from

  • Huang, H.; Luo, H.; Wang, Y.; Fu, D.; Shao, N.; Yang, P.; Meng, K.; Yao, B.
    Novel low-temperature-active phytase from Erwinia carotovora var.carotovota ACCC 10276 (2009), J. Microbiol. Biotechnol., 19, 1085-1091.
    View publication on PubMed

Cloned(Commentary)

Cloned (Comment) Organism
expression in Escherichia coli Pectobacterium carotovorum

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.252
-
myo-inositol hexakisphosphate pH 5.0, 37°C Pectobacterium carotovorum

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
45300
-
x * 45300, calculated Pectobacterium carotovorum

Organism

Organism UniProt Comment Textmining
Pectobacterium carotovorum
-
var. carotovota ACCC 10276
-

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
792
-
pH 5.0, 37°C Pectobacterium carotovorum

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
4-nitrophenyl phosphate + H2O 0.65% of the activity with myo-inositol hexakisphosphate Pectobacterium carotovorum 4-nitrophenol + phosphate
-
?
ADP + H2O 0.02% of the activity with myo-inositol hexakisphosphate Pectobacterium carotovorum ? + phosphate
-
?
ATP + H2O 0.26% of the activity with myo-inositol hexakisphosphate Pectobacterium carotovorum ? + phosphate
-
?
D-glucose 6-phosphate + H2O 0.39% of the activity with myo-inositol hexakisphosphate Pectobacterium carotovorum D-glucose + phosphate
-
?
myo-inositol hexakisphosphate + H2O
-
Pectobacterium carotovorum 1D-myo-inositol 1,2,4,5,6-pentakisphosphate + 1D-myo-inositol-1,2,5,6 tetrakisphosphate + phosphate
-
?

Subunits

Subunits Comment Organism
? x * 45300, calculated Pectobacterium carotovorum

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
40
-
-
Pectobacterium carotovorum

Temperature Range [°C]

Temperature Minimum [°C] Temperature Maximum [°C] Comment Organism
5
-
24% of activity at 40°C Pectobacterium carotovorum

Temperature Stability [°C]

Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
40
-
rapid decrease in stability above Pectobacterium carotovorum
60
-
2 min, loss of 96% of activity Pectobacterium carotovorum

Turnover Number [1/s]

Turnover Number Minimum [1/s] Turnover Number Maximum [1/s] Substrate Comment Organism Structure
950
-
myo-inositol hexakisphosphate pH 5.0, 37°C Pectobacterium carotovorum

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
5.5
-
-
Pectobacterium carotovorum

kcat/KM [mM/s]

kcat/KM Value [1/mMs-1] kcat/KM Value Maximum [1/mMs-1] Substrate Comment Organism Structure
3.77
-
myo-inositol hexakisphosphate pH 5.0, 37°C Pectobacterium carotovorum