Noboru Kawaguchi | Researchain

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Featured researches published by Noboru Kawaguchi.

Biochemical and Biophysical Research Communications | 1986

Occurrence of Galβ(1å3)GalNAc-SerThr in the linkage region of polygalactosamine containing fungal glycoprotein from Cordyceps ophioglossoides

Noboru Kawaguchi; Toshihiro Ohmori; Yasuyoshi Takeshita; Gosei Kawanishi; Sumio Katayama; Haruki Yamada

The nitrous acid deamination liberated the N-acetyl galactosamine containing glycoproteins from galactosminoglycan (CO-N) which has been isolated from Cordyceps ophioglossoides culture. Mild alkaline borohydride degradation of the purified glycoprotein released oligosaccharide alditols. The smallest oligosaccharide alditol was characterized to be Gal beta (1----3)-GalNAcol. This result indicated that polygalactosamine part attached to protein part via Gal beta (1----3) GalNAc-Ser/Thr as the linkage region. To our knowledge, this is the first report of Gal-GalNAc-Ser/Thr linkage from fungal glycoprotein.

Agricultural and biological chemistry | 1980

Attachment Sites of Carbohydrate Moieties to Peptide Chain of Bovine K-Casein from Normal Milk

Masao Kanamori; Noboru Kawaguchi; Fumio Ibuki; Hiroshi Doi

Journal of Nutritional Science and Vitaminology | 1979

Susceptibility of kappa-casein components to various proteases.

Hiroshi Doi; Noboru Kawaguchi; Fumio Ibuki; Masao Kanamori

Agricultural and biological chemistry | 1990

Staurosporine, a Prolyl Endopeptidase Inhibitor

Ken-ichi Kimura; Noboru Kawaguchi; Makoto Yoshihama; Gosei Kawanishi

Journal of Nutritional Science and Vitaminology | 1979

Minor components of reduced bovine kappa-casein.

Hiroshi Doi; Noboru Kawaguchi; Fumio Ibuki; Masao Kanamori

Archive | 1995

Hexahydropyrano [3,2-B] [1,4] benzothiazine derivative

Susumu Ishiguro; Shin'ichi Shimada; Motohide A Skmanshon Seya; Yuzo Yagi; Naomi Kito; Noboru Kawaguchi; Masamichi Nakakoshi; Kunio Tomitsuka; Shin Atorie Nomoto; Masayuki Okue; Nobuo Ogane; Yasunari Saito

Agricultural and biological chemistry | 1987

Branching Frequency of Anti-tumor 6-O-Branched (1→3)-β-D-Glucan from Cordyceps ophiglossoides

Noboru Kawaguchi; Haruki Yamada

Archive | 1995

Hexahydropyrano [3, 2-b] [1,4] benzothiazine-Derivate Hexahydropyrano [3, 2-b] [1,4] benzothiazine derivatives

Susumu Ishiguro; Shin'ichi Shimada; Motohide Seya; Yuzo Yagi; Naomi Kito; Noboru Kawaguchi; Masamichi Nakakoshi; Kunio Tomitsuka; Shin Nomoto; Masayuki Okue; Nobuo Ogane; Yasunari Saito

Archive | 1990

Isoquinoline derivatives and salts thereof as protease inhibitors.

Yasuyoshi Takeshita; Hiroshi Nakamuroa; Susumu Ishiguro; Noboru Kawaguchi; Shin'ichi Shimada; Tadayoshi Koyama; Motohide Seya; Noriko Abe; Shin Nomoto

Archive | 1990