Abstract
Skin mucus glycoprotein (RGP) was extracted from the skin mucus of rainbow trout, Salmo gairdneri. Alkaline borohydride treatment of RGP yielded a major oligosaccharide alditol NeuAcα2 to6GalNAc-ol and several minor oligosaccharide alditols. A trisaccharide alditol (OS-I) was purified by Sephadex G-25 gel filtration and high-performance liquid chromatography (HPLC). The amount of OS-I was estimated to be 7% in RGP from the amount of GalNAc-ol. Structural determination of the OS-I was examined. Structure of OS-I was identified to be NeuAcα2 to6 (GalNAcα1 to3) GalNAc-ol by α-N-acetylgalactosaminidase digestion, methylation analysis, and 1H-NMR spectroscopy.
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Sumi, T., Hama, Y., Nakagawa, H. et al. Structural characterization of the trisaccharide chain from the skin mucus glycoprotein of the rainbow trout, Salmo gairdneri . Fish Physiology and Biochemistry 25, 11–17 (2001). https://doi.org/10.1023/A:1019763214180
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DOI: https://doi.org/10.1023/A:1019763214180
- mucus
- mucus glycoprotein
- rainbow trout
- sialoglycoprotein
- trisaccharide