Hennet, T; Dinter, A; Kuhnert, Peter; Mattu, T S; Rudd, P M; Berger, E G (1998). Genomic cloning and expression of three murine UDP-galactose: beta-N-acetylglucosamine beta1,3-galactosyltransferase genes. Journal of biological chemistry, 273(1), pp. 58-65. American Society for Biochemistry and Molecular Biology
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Based on the detection of expressed sequence tags that are similar to known galactosyltransferase sequences, we have isolated three novel UDP-galactose:beta-N-acetylglucosamine beta1, 3-galactosyltransferase (beta3GalT) genes from a mouse genomic library. The three genes, named beta3GalT-I, -II, and -III, encode type II transmembrane proteins of 326, 422, and 331 amino acids, respectively. The three proteins constitute a distinct subfamily as they do not share any sequence identity with other eucaryotic galactosyltransferases. Also, the entire protein-coding region of the three beta3GalT genes was contained in a single exon, which contrasts with the genomic organization of the beta1,4- and alpha1, 3-galactosyltransferase genes. The three beta3GalT genes were mainly expressed in brain tissue. The expression of the full-length murine genes as recombinant baculoviruses in insect cells revealed that the beta3GalT enzymes share the same acceptor specificity for beta-linked GlcNAc, although they differ in their Km for this acceptor and the donor UDP-Gal. The identification of beta3GalT genes emphasizes the structural diversity present in the galactosyltransferase gene family.
Item Type: |
Journal Article (Original Article) |
|---|---|
Division/Institute: |
05 Veterinary Medicine > Department of Infectious Diseases and Pathobiology (DIP) > Institute of Veterinary Bacteriology |
UniBE Contributor: |
Kuhnert, Peter |
Subjects: |
500 Science > 570 Life sciences; biology 600 Technology > 630 Agriculture |
ISSN: |
0021-9258 |
Publisher: |
American Society for Biochemistry and Molecular Biology |
Language: |
English |
Submitter: |
Peter Kuhnert-Ryser |
Date Deposited: |
10 Nov 2014 14:25 |
Last Modified: |
05 Dec 2022 14:38 |
PubMed ID: |
9417047 |
BORIS DOI: |
10.7892/boris.59977 |
URI: |
https://boris.unibe.ch/id/eprint/59977 |
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