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Journal of Dental Research
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Substrate Specificity of Fucosyltransferase Purified from Human Parotid Saliva

H. Tamagawa

Department of Preventive Dentistry, Osaka University Faculty of Dentistry, 1-8, Yamadaoka, Suita, Osaka 565, Japan

K. Iwakura

Department of Preventive Dentistry, Osaka University Faculty of Dentistry, 1-8, Yamadaoka, Suita, Osaka 565, Japan

A. Amano

Department of Preventive Dentistry, Osaka University Faculty of Dentistry, 1-8, Yamadaoka, Suita, Osaka 565, Japan

S. Shizukuishi

Department of Preventive Dentistry, Osaka University Faculty of Dentistry, 1-8, Yamadaoka, Suita, Osaka 565, Japan

A. Tsunemitsu

Department of Preventive Dentistry, Osaka University Faculty of Dentistry, 1-8, Yamadaoka, Suita, Osaka 565, Japan

The purified fucosyltransferase from human parotid saliva was shown to transfer fucose from GDP-fucose onto the oligosaccharide chains containing the Galβl->3GlcNAc or Gal β 1->4GlcNAc/Glc sequences. Competition studies between asialotransferrin and either lacto-N-fucopentaose 1 or 2'-fucosyllactose provided evidence that both the substrates competed for a common enzyme active site. These results suggest that the fucosyltransferase activities for the three acceptors may be catalyzed by the same enzyme.

Journal of Dental Research, Vol. 66, No. 3, 756-760 (1987)
DOI: 10.1177/00220345870660031001
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H. S. Cameron, D. Szczepaniak, and B. W. Weston
Expression of Human Chromosome 19p alpha(1,3)-Fucosyltransferase Genes in Normal Tissues
J. Biol. Chem., August 25, 1995; 270(34): 20112 - 20122.
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