Where to get Glucose Dehydrogenase from Pseudomonas sp?

One unit corresponds to the amount of enzyme which will oxidizes 1 μmole β-D-glucose to D-glucono-δ-lactone per minute at pH 8.0 and 37 °C
Description of Glucose Dehydrogenase from Pseudomonas sp
A substantially purified glucose dehydrogenase is disclosed. The enzyme has activity at a temperature of from about 30° C. to about 65° C. at a pH of from about pH 6 to about pH 10 and has an optimum activity at a temperature from about 50° C. to about 60° C. at a pH of from about 8.5 to about 9.0.
Glucose Dehydrogenase from Pseudomonas sp is further characterized by retaining at least 90% residual activity after treatment at 50° C. for 15 minutes, being NAD or NADP dependent, having a molecular weight of about 101,000 daltons as determined by gel filtration using TSK gel, having an isoelectric point of about 4.5 by ampholyte isoelectric focusing, and having a specificity for at least D-glucose and 2-deoxyglucose. The preferred source of the enzyme is Pseudomonas sp. FH1227.
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