Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
August 14, 2007
Patent Application Number
10309389
Date Filed
December 3, 2002
Patent Primary Examiner
Patent abstract
A sialyltransferase having the following physico-chemical properties;(1) Activity:transfers sialic acid from a sialic acid donor selectively to a 3-hydroxyl group of a galactose residue contained in lactosylceramide as a sialic acid acceptor to produce ganglioside GM3;(2) Optimal reaction pH:6.0 to 7.0; and(3) Inhibition and activation:the activity increases at least 1.5 times with 10 mm of Mn2+ as compared with the case in the absence thereof.
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