Beta 1,4-N-acetylgalactosaminyltransferases from C. jejuni

Chemistry: molecular biology and microbiology – Enzyme – proenzyme; compositions thereof; process for... – Transferase other than ribonuclease

Reexamination Certificate

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C435S071100, C435S070100, C530S412000

Reexamination Certificate

active

07384771

ABSTRACT:
This invention provides prokaryotic β1,4-N-acetylgucosaminyl (GalNAc) transferases involved in synthesis of lipooligosaccharide (LOS). The β1,4-GalNAc transferases can be obtained from, for example,Campylobacterspecies, includingC. jejuni. In additional embodiments, the invention provides nucleic acids that encode the β1,4-GalNAc transferases, as well as expression vectors and host cells for expressing the β1,4-GalNAc transferases.

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