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Literature summary for 3.1.3.26 extracted from

  • Tye, A.J.; Siu, F.K.Y.; Leung, T.Y.C.; Lim, B.L.
    Molecular cloning and the biochemical characterization of two novel phytases from B. subtilis 168 and B. licheniformis (2002), Appl. Microbiol. Biotechnol., 59, 190-197.
    View publication on PubMed

Cloned(Commentary)

Cloned (Comment) Organism
overexpression in Bacillus subtilis using a PHI105MU331 prophage vector system Bacillus licheniformis

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
44000
-
x * 44000, SDS-PAGE Bacillus subtilis
47000
-
x * 47000, SDS-PAGE Bacillus licheniformis

Organism

Organism UniProt Comment Textmining
Bacillus licheniformis Q8KTX7 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.
-
Bacillus subtilis
-
-
-

Purification (Commentary)

Purification (Comment) Organism
-
Bacillus licheniformis

Source Tissue

Source Tissue Comment Organism Textmining
culture medium recombinant enzyme in culture medium of Bacillus subtilis Bacillus licheniformis
-

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
myo-inositol hexakisphosphate + H2O
-
Bacillus subtilis ? + phosphate
-
?
myo-inositol hexakisphosphate + H2O
-
Bacillus licheniformis ? + phosphate
-
?

Subunits

Subunits Comment Organism
? x * 47000, SDS-PAGE Bacillus licheniformis
? x * 44000, SDS-PAGE Bacillus subtilis

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
55
-
-
Bacillus subtilis
65
-
-
Bacillus licheniformis

Temperature Range [°C]

Temperature Minimum [°C] Temperature Maximum [°C] Comment Organism
37 65 37°C: about 40% of maximal activity, 65°C: about 40% of maximal activity Bacillus subtilis
45 70 45°C: 45% of maximal activity, 70°C: about 55% of maximal activity Bacillus licheniformis

Temperature Stability [°C]

Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
70
-
10 min, about 15% loss of activity, in presence of 1 mM Ca2+ Bacillus licheniformis
70
-
10 min, about 70% loss of activity, with 1 mM Ca2+ Bacillus subtilis
75
-
10 min, about 35% loss of activity, in presence of 1 mM Ca2+ Bacillus licheniformis
75
-
10 min, about 65% loss of activity, with 1 mM Ca2+ Bacillus subtilis
80
-
10 min, about 35% loss of activity, in presence of 1 mM Ca2+ Bacillus licheniformis
80
-
10 min, about 60% loss of activity, with 1 mM Ca2+ Bacillus subtilis
85
-
10 min, about 30% loss of activity, in presence of 1 mM Ca2+ Bacillus licheniformis
85
-
10 min, about 45% loss of activity, with 1 mM Ca2+ Bacillus subtilis
90
-
10 min, about 30% loss of activity, in presence of 1 mM Ca2+ Bacillus licheniformis
90
-
10 min, about 65% loss of activity, with 1 mM Ca2+ Bacillus subtilis
95
-
about 40% loss of activity after 15 min, about 60% loss of activity after 30 min, in presence of 5 mM ca2+ Bacillus licheniformis
95
-
about 55% loss of activity after 15 min, about 75% loss of activity after 30 min, with 5 mM Ca2+ Bacillus subtilis

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
6
-
broad Bacillus subtilis
6
-
broad Bacillus licheniformis

pI Value

Organism Comment pI Value Maximum pI Value
Bacillus subtilis two-dimensional electrophoresis
-
5
Bacillus licheniformis two-dimensional electrophoresis
-
5.1