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    • 26. 发明公开
    • Glycoprotein having anti-tumour and lectin-like activity
    • Glykoprotein mit Antitumor-AktivitätundlektinähnlicherAktivität。
    • EP0058093A1
    • 1982-08-18
    • EP82300661.4
    • 1982-02-10
    • KUREHA KAGAKU KOGYO KABUSHIKI KAISHA
    • Yoshikumi, ChikaoFujii, TakayoshiFurusho, TakaoMatsunaga, KenichiOhara, MinoruKobayashi, Akira
    • C12P21/00A61K37/02
    • C07K14/375A61K38/00
    • A glycoprotein suitable for use in treating tumours has a molecular weight of 5,000 to 300,000 as determined by the ultracentrifugation method; the ratio of the weight of its protein moiety, determined by Lowry-Folin's method, to the weight of its saccharide moiety, determined by the phenol - sulfuric acid method, being from 50:50 to 80:20; the amino acid at its N-end being tyrosine, leucine or alanine; the amino acid sequence at its C-end being leucine-phenylalanine-valine; its elementary composition being 35.2 to 49.3% of C, 4.8 to 8.0% of H, 4.3 to 12.3% of N, a trace amount to 2.5% of S, a trace amount to 1.2% of P and the balance being 0; its isoelectric point being from pH 2.5to 5.0; and having a nucleic acid component. The glycoprotein can be obtained from basidiomycetous fungus of genus Coriolus and can be formulated into a pharmaceutical composition with convention carriers or diluents.
    • 适用于治疗肿瘤的糖蛋白通过超速离心法测定的分子量为5,000〜300,000; 通过Lowry-Folin法测定的蛋白质部分的重量比与通过苯酚 - 硫酸法测定的其糖部分的重量比为50:50至80:20; 其N末端的氨基酸为酪氨酸,亮氨酸或丙氨酸; 其C-末端的氨基酸序列为亮氨基苯丙氨酸 - 缬氨酸; 其元素组成为C的35.2〜49.3%,H为4.8〜8.0%,N为4.3〜12.3%,痕量为S的2.5%,P为1.2%,余量为0; 其等电点为2.5〜5.0; 并具有核酸成分。 糖蛋白可以从Coriolus属的肠系膜真菌中获得,并且可以配制成具有常规载体或稀释剂的药物组合物。