Cloning and expression of biologically active .alpha.-n-acetylga

Chemistry: molecular biology and microbiology – Enzyme – proenzyme; compositions thereof; process for... – Hydrolase

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435208, 4351721, 4352523, C12N 1500, C12N 940, C12N 924

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active

053825241

ABSTRACT:
The present invention involves the production of human .alpha.-GalNAc by cloning and expressing the .alpha.-GalNAc coding sequence in eukaryotic host cell expressions systems. The eukaryotic expression systems, and in particular the mammalian host cell expression systems described herein provide for the appropriate co-translational and post-translation modifications required or proper processing, e.g., glycosylation, phosphorylation, etc. and sorting of the expression product so that an active enzyme is produced.
The .alpha.-GalNAc produced in accordance with the invention may be used in the treatment of Schindler disease or for the hydrolysis of .alpha.-N-acetylgalactosaminyl moieties in various glycoconjugates.

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