摘要:
A method for the recombinant production of a polypeptide by expressing a nucleic acid encoding said polypeptide in a microbial host cell, forming in the cytoplasm of said host cell inclusion bodies containing said polypeptide, and isolating, solubilizing and naturing said polypeptide, characterized in that after fermentation the host cell or the host cell content is incubated at a temperature of 40° C. or higher for at least 10 minutes and subsequently insoluble polypeptide is isolated from the host cell, this method providing an improved yield in inclusion bodies containing the desired polypeptide.
摘要:
A method for the recombinant production of a polypeptide by expressing a nucleic acid encoding said polypeptide in a microbial host cell, forming in the cytoplasm of said host cell inclusion bodies containing said polypeptide, and isolating, solubilizing and naturing said polypeptide, characterized in that after fermentation the host cell or the host cell content is incubated at a temperature of 40° C. or higher for at least 10 minutes and subsequently insoluble polypeptide is isolated from the host cell, this method providing an improved yield in inclusion bodies containing the desired polypeptide.
摘要:
A recombinant protein with D-hydantoinase activity which has the amino acid sequence SEQ ID NO 1 is obtainable in large amounts and has an improved temperature stability.
摘要翻译:具有氨基酸序列SEQ ID NO 1的具有D-乙内酰脲酶活性的重组蛋白质可以大量获得并具有改善的温度稳定性。
摘要:
A process is disclosed for the production of an antifusogenic peptide by producing a fusion peptide of a length of about 14 to 70 amino acids in a prokaryotic host cell, comprising the steps, under such conditions that inclusion bodies of said fusion peptide are formed, of: (a) expressing in said host cell a nucleic acid encoding said fusion peptide consisting of a first peptide which is an antifusogenic peptide of a length of about 10 to 50 amino acids and a second peptide of a length of about 4 to 30 amino acids, said first peptide being N-terminally linked to said second peptide; (b) cultivating said host cell to produce said inclusion bodies; and (c) recovering said antifusogenic peptide from said inclusion bodies, wherein said recovered antifusogenic peptide consists of said fusion peptide or a peptide comprising the antifusogenic peptide of about 10 to 50 amino acids and which is a fragment cleaved from said fusion peptide. Inclusion bodies of the peptides are disclosed. Also disclosed is a nucleic acid encoding the fusion peptide consisting of a first peptide which is an antifusogenic peptide selected from the group of SEQ ID NO: 7, SEQ ID NO: 8, SEQ ID NO: 9, SEQ ID NO: 10, and said sequences further consisting of glycine at the C terminal end, N-terminally linked to the second peptide.
摘要翻译:公开了通过在原核宿主细胞中产生约14至70个氨基酸长度的融合肽来生产抗融合肽的方法,包括以下步骤:在形成所述融合肽的包涵体的条件下, (a)在所述宿主细胞中表达编码所述融合肽的核酸,所述融合肽由长度为约10至50个氨基酸的抗融合肽的第一肽和长度为约4-30个氨基酸的第二个肽组成 所述第一肽与所述第二肽N-末端连接; (b)培养所述宿主细胞以产生所述包涵体; 和(c)从所述包涵体中回收所述抗融合肽,其中所述回收的抗融合肽由所述融合肽或包含约10至50个氨基酸的抗融合肽的肽组成,并且是从所述融合肽切割的片段。 公开了肽的包涵体。 还公开了编码由第一肽组成的融合肽的核酸,第一肽是选自SEQ ID NO:7,SEQ ID NO:8,SEQ ID NO:9,SEQ ID NO:10的抗融合肽, 所述序列进一步由C末端的甘氨酸组成,N-末端与第二肽连接。
摘要:
A process is disclosed for the production of an antifusogenic peptide by producing a fusion peptide of a length of about 14 to 70 amino acids in a prokaryotic host cell, comprising the steps, under such conditions that inclusion bodies of said fusion peptide are formed, of: (a) expressing in said host cell a nucleic acid encoding said fusion peptide consisting of a first peptide which is an antifusogenic peptide of a length of about 10 to 50 amino acids and a second peptide of a length of about 4 to 30 amino acids, said first peptide being N-terminally linked to said second peptide; (b) cultivating said host cell to produce said inclusion bodies; and (c) recovering said antifusogenic peptide from said inclusion bodies, wherein said recovered antifusogenic peptide consists of said fusion peptide or a peptide comprising the antifusogenic peptide of about 10 to 50 amino acids and which is a fragment cleaved from said fusion peptide. Inclusion bodies of the peptides are disclosed. Also disclosed is a nucleic acid encoding the fusion peptide consisting of a first peptide which is an antifusogenic peptide selected from the group of SEQ ID NO: 7, SEQ ID NO: 8, SEQ ID NO: 9, SEQ ID NO: 10, and said sequences further consisting of glycine at the C terminal end, N-terminally linked to the second peptide.
摘要翻译:公开了通过在原核宿主细胞中产生约14至70个氨基酸长度的融合肽来生产抗融合肽的方法,包括以下步骤:在形成所述融合肽的包涵体的条件下, (a)在所述宿主细胞中表达编码所述融合肽的核酸,所述融合肽由长度为约10至50个氨基酸的抗融合肽的第一肽和长度为约4-30个氨基酸的第二个肽组成 所述第一肽与所述第二肽N-末端连接; (b)培养所述宿主细胞以产生所述包涵体; 和(c)从所述包涵体中回收所述抗融合肽,其中所述回收的抗融合肽由所述融合肽或包含约10至50个氨基酸的抗融合肽的肽组成,并且是从所述融合肽切割的片段。 公开了肽的包涵体。 还公开了编码由第一肽组成的融合肽的核酸,第一肽是选自SEQ ID NO:7,SEQ ID NO:8,SEQ ID NO:9,SEQ ID NO:10的抗融合肽, 所述序列进一步由C末端的甘氨酸组成,N-末端与第二肽连接。
摘要:
A method of inactivating the biological activity of natural or recombinant DNA in a biomass, by adding a percarboxylic acid containing 1 to 3 carbon atoms, one of its salts, an alkali metal peroxide, or an alkali metal peroxomonosulfate and subsequently heating the mixture to 60.degree. to 100.degree. C.
摘要:
A process is provided for producing an antifusogenic peptide by producing a fusion peptide of from about 14 amino acids up to 70 amino acids in a prokaryotic host cell under conditions in which inclusion bodies are formed. The antifusogenic peptide recovered from the inclusion bodies is a fragment cleaved from the fusion peptide which comprises an antifusogenic peptide.
摘要:
A recombinant protein with D-hydantoinase activity which has the amino acid sequence SEQ ID NO 1 is obtainable in large amounts and has an improved temperature stability.
摘要翻译:具有氨基酸序列SEQ ID NO 1的具有D-乙内酰脲酶活性的重组蛋白质可以大量获得并具有改善的温度稳定性。