摘要:
A cloned single-strand DNA comprising nucleotide sequence which encodes an antibacterial polypeptide precursor, a cloned double-strand DNA consisting of the single-strand DNA and its complementary single-strand DNA, a DNA fragment of the single- or double-strand DNA, a process for the preparation thereof, and a plasmid, in which the double-strand DNA or its fragment is inserted.
摘要:
A cloned single-strand DNA comprising nucleotide sequence which encodes an antibacterial polypeptide precursor, a cloned double-strand DNA consisting of the single-strand DNA and its complementary single-strand DNA, a DNA fragment of the single- or double-strand DNA, a process for the preparation thereof, and a plasmid, in which the double-strand DNA or its fragment is inserted are disclosed.
摘要:
A pharmaceutical composition for stimulating peristaltic contraction in the intestinal canal which contains a pharmaceutically acceptable carrier or excipient and an effective amount of a polypeptide, or a salt thereof, having a pharmacological activity similar to motilin. The polypeptide has the formula B.sub.1 -Z.sub.1 -A.sub.1 -Z.sub.2 -B.sub.2 -Thr-B.sub.3 -A.sub.2 -Glu-Z.sub.3 -C-Arg-X'-Gln-Glu-Lys-Glu-Arg-D-Lys-Gly-E-Y, with Z.sub.1,Z.sub.2 and Z.sub.3 each being an amino acid residue having a hydrophobic side-chain, A.sub.1 and A.sub.2 each being an amino acid residue such as Pro, Gly, Asn and Ser, B.sub.1, B.sub.2 and B.sub.3 are each an amino acid residue having a side-chain with an aromatic ring, C is Gln, Glu or Asp, D is Asn, Glu or Asp, X' is an amino acid residue other than Met, E is Gln, Lys or Arg, and Y is homoserine, homoserine-lactone or a peptide chain having amino acid residues not exceeding 10 and containing homoserine or homoserine-lactone at the C-terminal where the first amino acid of said peptide chain is other than Lys, Arg or Pro.
摘要翻译:一种用于刺激肠道蠕动收缩的药物组合物,其含有药学上可接受的载体或赋形剂和有效量的具有与胃动素相似的药理活性的多肽或其盐。 该多肽具有式B1-Z1-A1-Z2-B2-Thr-B3-A2-Glu-Z3-C-Arg-X'-Gln-Glu-Lys-Glu-Arg-D-Lys-Gly-EY, Z 1,Z 2和Z 3各自为具有疏水侧链的氨基酸残基,A1和A2各自为氨基酸残基,例如Pro,Gly,Asn和Ser,B1,B2和B3各自为具有 具有芳环的侧链,C是Gln,Glu或Asp,D是Asn,Glu或Asp,X'是Met以外的氨基酸残基,E是Gln,Lys或Arg,Y是高丝氨酸,高丝氨酸 β-内酯或氨基酸残基不超过10的肽链,并且在所述肽链的第一个氨基酸不是Lys,Arg或Pro的C末端含有高丝氨酸或高丝氨酸 - 内酯。
摘要:
A cloned single-strand DNA comprising nucleotide sequence which encodes human motilin precursor, a cloned double-strand DNA consisting of the single-strand DNA and its complementary single-strand DNA, a fragment of the single- or double-strand DNA, a plasmid, in which the double-strand DNA or its fragment is integrated, as well as a process for the preparation of the single- or double-strand DNA.
摘要:
Vasoactive intestinal polypeptide (VIP) analogues and use thereof are disclosed. The VIP analogues are shown by the formula ofHis-Ser-Asp-Ala-Val-Phe-Thr-Asp-Asn-Tyr-Thr-Arg-Leu-Arg-Lys-Gln-X-Ala-Val-Lys-Lys-Tyr-Leu-Asn-Ser-Ile-Leu-Asn-Ywherein X is a residue of amino acid other than methionine (Met); and Y is homoserine, homoserine-lactone, amidized homoserine, a residue reacted homoserine-lactone with a primary alkyl amine having carbon atoms not exceeding 20, or an optional polypeptide chain and containing an amidized homoserine at C-terminal.Each of the VIP analogues is employed as an effective ingredient for various medicines and a hair tonic, and more particularly curing an asthma and impotence.
摘要:
A readily absorbable type of motilin preparation containing a motilin-like active substance and a surface active agent is provided, in which the motilin-like active substance is mainly L-leucine-13-motilin-homoserine, and the surface active agent is selected from the group consisting of a bile salt, saponin and a polyethylene glycol higher-alcohol ether for nasal administration purposes and is a peptide lytic enzyme inhibitor for oral administration purposes.
摘要:
There is disclosed a pharmaceutical preparation which contains vasoactive intestinal polypeptide (VIP), its analogue or a salt thereof, and a surfactant. The preparation shall contains further a peptidase inhibitor. The composition is administrated to suppress allergies, reduce blood pressure, increase secretion of tear, cure asthma and impotence and others.
摘要:
A process for the preparation of a polypeptide of the formula ##STR1## wherein A' is Pro, Gly, Asp or Ser; B' is Gly, Asn or Ser; C is Gln, Glu or Asp; D is Asn, Glu or Asp; X' is a residue of amino acid other than Met; E is Gln, Lys or Arg, and Y' is a residue of homoserine or homoserine-lactone, as well as a recombinant DNA and expression plasmid for preparing the polypeptide.
摘要:
An organic germanium compound to be effectively used for curing AIDS or making AIDS asymtomatic in various forms is expressed by the following rational formula: ##STR1## wherein n is an integer of 1 or 2 or more, is in the form of a white acicular or needle crystal, shows a solubility of 1.570/100 ml in water at 25.degree. C. and exhibits a melting (decomposition) point of 240.degree. C.