This product should be stored at -20 °C as a powder. Information on storing the product in solution is not available, and it is recommended to prepare the product fresh before use.
A5222
D-Amino Acid Oxidase from porcine kidney
powder, ≥1.5 units/mg solid
Synonym(s):
D-AAO, D-Amino acid: oxygen oxidoreductase (deaminating)
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100 UNITS
CZK 6,180.00
200 UNITS
CZK 10,500.00
500 UNITS
CZK 21,000.00
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100 UNITS
CZK 6,180.00
200 UNITS
CZK 10,500.00
500 UNITS
CZK 21,000.00
About This Item
Recommended Products
form
powder
specific activity
≥1.5 units/mg solid
storage temp.
−20°C
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Application
Unit Definition
One unit will oxidatively deaminate 1.0 μmole of D-alanine to pyruvate per minute at pH 8.3 at 25 °C, in the presence of a catalase.
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
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If I store it at -4 degrees Celsius instead of -20 degrees Celsius, will the enzyme denature so much that it cannot be used? Also, if I expose it to room temperature for use in an experiment and then store it at -4 degrees Celsius, will it be usable again
1 answer-
Helpful?
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Hello, I am doing my research about D-amino acid oxidase from porcine kidney. For further calculations I need molar extinction coefficient of pkDAAO. Maybe You have bigger description or some kind of information about it? Thank You.
1 answer-
There are two extinction coefficient values available:
Assuming all Cys residues form cystines - 1.935 at 280 nm in water, 0.1% (1 g/L)
Assuming all Cys residues are reduced - 1.929 at 280 nm in water, 0.1% (1 g/L)Please see the link below to review this and additional information available at Expasy:
https://web.expasy.org/cgi-bin/protparam/protparam1?P00371@noft@Helpful?
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