Store vial at 4° C prior to restoration. For extended storage aliquot contents and freeze at -20° C or below. Avoid cycles of freezing and thawing. Centrifuge product if not completely clear after standing at room temperature. This product is stable for several weeks at 4° C as an undiluted liquid. Dilute only prior to immediate use.
Assay by immunoelectrophoresis resulted in a single precipitin arc against anti-goat serum, purified and partially purified Choline Oxidase [Alcaligenes species]. Cross reactivity against Choline Oxidase from other sources is unknown.
Choline Oxidase catalytic activity is Choline + 2 O2 + H2O = betaine + 2 H2O2. This protein is involved in step 1 of the subpathway that synthesizes betaine from choline.
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