C5896
Choline Oxidase from Alcaligenes sp.
lyophilized powder, ≥10 units/mg solid
Synonym(s):
Choline: oxygen 1-oxidoreductase
About This Item
Recommended Products
form
lyophilized powder
specific activity
≥10 units/mg solid
mol wt
~95 kDa
technique(s)
cell based assay: suitable
suitability
suitable for assay of choline
suitable for molecular biology
storage temp.
−20°C
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Application
- in a study to investigate a choline biosensor constructed with a chitinous membrane and its application in measuring cholinesterase inhibitory activities
- has also been used in spectroscopic studies on the photoreaction of choline oxidase with covalently bound flavin.
- as a component of phosphate buffer saline (PBS) buffer for measurement of choline acetyltransferase (ChAT) activity in brain tissue homogenates
- to measure the choline generated by autotaxin (ATX) by ATX activity assay and phospholipase-D (PLD) by PLD activity assay
Biochem/physiol Actions
Physical properties
Michaelis constants:2.84 x 10¯3M (Choline), 5.33 x 10¯3M (Betaine aldehyde)
Structure:One mol of FAD is covalently bound to mol of the enzyme
Inhibitors:p-Chloromercuribenzoate, Cu++, Co++, Hg++, Ag+
Optimum pH:8.0 – 8.5
Optimum temp:40 – 45°C
pH Stability:pH 7.0 – 9.0 (30°C, 2hr)
Thermal stability:Below 37°C (pH 7.5, 10min)
Unit Definition
related product
signalword
Danger
hcodes
pcodes
Hazard Classifications
Resp. Sens. 1
Storage Class
11 - Combustible Solids
wgk_germany
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Gloves, type N95 (US)
Certificates of Analysis (COA)
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