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Novel polypeptide, dna coding said polypeptide and production thereof

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专利汇可以提供Novel polypeptide, dna coding said polypeptide and production thereof专利检索,专利查询,专利分析的服务。并且NEW MATERIAL:A polypeptide expressed by formula I [left end is amino terminal and right end is carboxyl terminal; m, n, p and q represent 0 or 1; A-F represent an amino acid (sequence) region respectively corresponding to the following amino acid number, A: number 1, B: number 2-20, C: number 21, D: number 22-237, E: number 238-298, F: number 299-363]. USE:An activator for biophylaxis such as immune response, differential proliferation, etc. PREPARATION:For example, a human leukocyte is cultured with a differentiation inducer and an mRNA fraction is separated from the cell. A cDNA library is prepared by using the mRNA as a template. Then the cDNA is cloned from this library with a colony hybridization method, etc., and the cDNA is combined with an expression vector and introduced into a host cell to transform. The transformed host cell is cultured to provide the polypeptide expressed by formula I.,下面是Novel polypeptide, dna coding said polypeptide and production thereof专利的具体信息内容。

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