摘要:
It is intended to provide a method capable of introducing an arbitrary modification group into a synthetic protein and a method capable of easily controlling the syntheses of a modified protein and an unmodified protein. The present invention provides a method of cell-free protein synthesis comprising: performing cell-free protein synthesis using as a reaction solution of cell-free protein synthesis, a mixture solution of an extract derived from a eukaryotic cell and a reagent solution comprising as a substrate, a substance having a desired group to be introduced as a post-translational modification group; and thereby obtaining a protein comprising the post-translational modification group introduced therein. Preferably, the group to be introduced is an acyl group of fatty acid, and the form of the post-translational modification is lipid modification at the N-terminus of the protein.
摘要:
The present invention provides a method of conducting cell-free protein synthesis by conveniently suppressing mRNA degradation, and a reaction solution enabling cell-free protein synthesis by conveniently suppressing mRNA degradation. A cell-free protein synthesis method using a cell-free protein synthesis reaction solution containing at least an extract liquid derived from a living cell, a potassium salt, a magnesium salt, adenosine triphosphate, guanosine triphosphate, creatine phosphate, creatine kinase, amino acid, a tRNA, an mRNA, a buffer, and adenosine 3′,5′-bisphosphate.
摘要:
The present invention provides a DNA fragment allowing easy cloning of a desired gene and capable of further improving translation efficiency, a protein expression vector and a template DNA having the DNA fragment, a mRNA obtained from the template DNA, a reaction solution for cell-free protein synthesis system containing the template DNA or the mRNA, a method for cell-free protein synthesis system using the template DNA, and, kit for cell-free protein synthesis system including the expression vector. A DNA fragment having the base sequence represented by any of SEQ ID No. 1 to 11 to use for promoting translation reaction, a protein expression vector and a template DNA having the DNA fragment, a mRNA obtained from the template DNA, a reaction solution for cell-free protein synthesis system containing the template DNA or the mRNA, a method for cell-free protein synthesis system using the template DNA, and, kit for cell-free protein synthesis system including the expression vector.
摘要翻译:本发明提供了能够容易地克隆所需基因并能够进一步提高翻译效率的DNA片段,蛋白质表达载体和具有DNA片段的模板DNA,从模板DNA获得的mRNA,无细胞的反应溶液 含有模板DNA或mRNA的蛋白质合成系统,使用模板DNA的无细胞蛋白质合成系统的方法,以及包含表达载体的无细胞蛋白质合成系统的试剂盒。 具有用于促进翻译反应的SEQ ID No.1至11所示的碱基序列的DNA片段,具有该DNA片段的蛋白质表达载体和模板DNA,从模板DNA获得的mRNA, 含有模板DNA或mRNA的无细胞蛋白质合成系统,使用模板DNA的无细胞蛋白质合成系统的方法,以及包含表达载体的无细胞蛋白质合成系统的试剂盒。
摘要:
The present invention provides a practical cell-free protein synthesis method capable of easily synthesizing a large amount of protein at low cost. A method for cell-free protein synthesis performed in a reaction solution containing mRNA and a living cell-derived extract solution, the reaction solution containing an oligonucleotide complementary to a sequence present in a 3′ terminal region of the mRNA.
摘要:
A DNA amplification method including: subjecting a blood sample having DNA to be amplified, to a pretreatment using an alkaline aqueous solution under ordinary temperature, so as to extract double-stranded DNA from the blood sample and dissociate the double-stranded DNA into a single-stranded DNA to obtain a blood-derived sample including the single-stranded DNA; preparing an isothermal amplification reaction solution comprising a mixture of the blood-derived sample, a primer, dNTP, a strand-displacing DNA polymerase, a magnesium salt and a buffer, to establish an isothermal amplification reaction system meeting optimum conditions for the strand-displacing DNA polymerase; and amplifying DNA in the isothermal amplification reaction system using the single-stranded DNA as a template.
摘要:
The present invention provides a simple cell-free protein synthesis method capable of affording synthesis of a protein in a high amount in a short time at a low cost. A method for cell-free protein synthesis using an extract derived from an insect cell, the method comprising removing a component which can pass through a semipermeable membrane through the semipermeable membrane while maintaining synthesis reaction, thereby to continuously synthesize a protein. Preferably, an mRNA is additionally supplied while said synthesis reaction is maintained. Further, said insect cell is preferably an established culture cell derived from Trichoplusia ni ovum cell.
摘要:
The present invention provides a simple cell-free protein synthesis method capable of affording synthesis of a protein in a high amount in a short time at a low cost. A method for cell-free protein synthesis using an extract derived from an insect cell, the method comprising removing a component which can pass through a semipermeable membrane through the semipermeable membrane while maintaining synthesis reaction, thereby to continuously synthesize a protein. Preferably, an mRNA is additionally supplied while said synthesis reaction is maintained. Further, said insect cell is preferably an established culture cell derived from Trichoplusia ni ovum cell.