P9792
Phytase from Aspergillus ficuum
lyophilized powder, 1-5 units/mg solid (as phosphatase activity)
Synonym(s):
3-Phytase, myo-Inositol-hexakisphosphate 3-phosphohydrolase
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About This Item
CAS Number:
MDL number:
UNSPSC Code:
12352204
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form
lyophilized powder
specific activity
1-5 units/mg solid (as phosphatase activity)
storage temp.
−20°C
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Quality
May contain glucosidases and phosphatases.
Unit Definition
One unit will liberate 1.0 μmole of inorganic P from 4.2 × 10-2 M Mg·K phytate per min at pH 2.5 at 37 °C.
Storage Class Code
11 - Combustible Solids
WGK
WGK 3
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
Personal Protective Equipment
dust mask type N95 (US), Eyeshields, Gloves
Regulatory Information
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L Jermutus et al.
Journal of biotechnology, 85(1), 15-24 (2001-02-13)
Thermostability is a key feature for commercially attractive variants of the fungal enzyme phytase. In an initial set of experiments, we restored ionic interactions and hydrogen bonds on the surface of Aspergillus terreus phytase, which are present in the homologous
G C Irving et al.
Journal of bacteriology, 112(1), 434-438 (1972-10-01)
The fungus Aspergillus ficuum NRRL 3135 is known to produce an extracellular nonspecific orthophosphoric monoester phosphohydrolase (EC 3.1.3.2) with a pH optimum of 2.0, as well as an extracellular myo-inositol hexaphosphate phosphohydrolase (EC 3.1.3.8; phytase) with pH optima of 2.0
Ion-exchange chromatography of inositol polyphosphates.
D J Cosgrove
Annals of the New York Academy of Sciences, 165(2), 677-686 (1969-10-17)
Molecular and physiological characterisation of a 3-phytase from soil bacterium Klebsiella sp. ASR1.
A Sajidan et al.
Applied microbiology and biotechnology, 65(1), 110-118 (2004-01-17)
Klebsiella sp. strain ASR1 isolated from an Indonesian rice field is able to hydrolyse myo-inositol hexakis phosphate (phytate). The phytase protein was purified and characterised as a 42 kDa protein accepting phytate, NADP and sugar phosphates as substrates. The corresponding
R L Payne et al.
Poultry science, 84(2), 265-272 (2005-03-04)
Research with corn-soybean meal diets was conducted to compare phytase sources in commercial broilers. A Ca to nonphytate P (nPP) ratio of 2.5:1 was maintained in all diets. Experiments 1 and 2 were conducted from d 4 to 13 (experiment
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