β-galactoside-α2,3-sialyltransferase, a gene...

Details β-galactoside-α2,3-sialyltransferase, a gene... β-galactoside-α2,3-sialyltransferase, a gene...

2006-03-31

2011-10-04

Raghu, Ganapathirama (Department: 1652)

Chemistry: molecular biology and microbiology

Enzyme , proenzyme; compositions thereof; process for...

Transferase other than ribonuclease

C435S183000, C435S069100, C435S091100, C435S320100, C435S252100, C435S252300, C435S074000, C536S023200, C536S023100, C536S023700

Reexamination Certificate

active

08030043

ABSTRACT:
The present invention provides a novel β-galactoside-α2,3-sialyltransferase and a nucleic acid encoding the sialyltransferase. The present invention also provides a microorganism producing the sialyltransferase, as well as a method for producing the sialyltransferase using such a microorganism. The present invention further provides a vector carrying a nucleic acid encoding the sialyltransferase, and a host cell transformed with the vector, as well as a method for producing a recombinant β-galactoside-α2,3-sialyltransferase. The present invention further provides a method for preparing a sialylsugar chain, which uses the sialyltransferase of the present invention.

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