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    • 2. 发明授权
    • Fish growth hormone
    • 鱼生长激素
    • US4645755A
    • 1987-02-24
    • US719888
    • 1985-04-04
    • Hiroshi KawauchiKazuo YamaguchiKunikatsu Shirahata
    • Hiroshi KawauchiKazuo YamaguchiKunikatsu Shirahata
    • A23K1/165A23K1/18A61K35/60A61K38/00A61K38/27C07K14/00C07K14/46C07K14/575A61K37/36C07K7/10
    • C07K14/461A61K38/00Y10S930/12
    • A fish growth hormone provided by a purified extract obtained from the pituitary gland of a fish belonging to salmonoid; the hormone is a polypeptide having the following physicochemical properties:(i) amino acid composition: as indicated in Table 1;(ii) the sequences of 33 amino acids at the N-terminal and 23 amino acids at the C-terminal are as follows:N-terminal: H.sub.2 N-Ile-Glu-Asn-Gln-Arg-Leu-Phe-Asn-Ile-Ala-Val-Ser-Arg-Val-Gln-His-Leu-His-Leu-Leu-Ala-Gln-Lys-Met-Phe-Asn-Asp-Phe-Asp-Gly-Thr-Leu-Leu-C-terminal: -Met-His-Lys-Val-Glu-Thr-Tyr-Leu-Thr-Val-Ala-Lys-Cys-Arg-Lys-Ser-Leu-Glu-Ala-Asn-Cys-Thr-Leu-OH;(iii) molecular weight: about 22,000;(iv) isoelectric point: 5.6-5.7; and(v) soluble in an alkaline aqueous solution and hardly soluble or insoluble in neutral and acidic aqueous solutions.
    • 由从属于沙门氏菌的鱼的垂体获得的纯化提取物提供的鱼生长激素; 激素是具有以下物理化学性质的多肽:(i)氨基酸组成:如表1所示; (ii)N-末端的33个氨基酸和C末端的23个氨基酸的序列如下:N-末端:H 2 N-Ile-Glu-Asn-Gln-Arg-Leu-Phe-Asn-Ile -Ala-Val-Ser-Arg-Val-Gln-His-Le u-His-Leu-Leu-Ala-Gln-Lys-Met-Phe-Asn-Asp-Phe-Asp-Gly-Thr-Leu-Leu- C-末端:-Met-His-Lys-Val-Glu-Thr-Tyr-Leu-Thr-Val-Ala-Lys-Cys-Arg-Lys-Ser-Leu-G lu-Ala-Asn-Cys-Thr- Leu-OH; (iii)分子量:约22,000; (iv)等电点:5.6-5.7; 和(v)溶于碱性水溶液中,几乎不溶于或不溶于中性和酸性水溶液。