rna酶造句

• rna酶    The total rna was purified from the germ in the liquid by the guanidine isothiocyantehod method , then the total rna digested by dnase that had not rnase was used for rt - pcr . i change t...
• 芽孢杆菌rna酶    它们能有效地促进亲环蛋白A、硫氰酸酶以及芽孢杆菌RNA酶的复性。
• rna dependent rna polymerase    RNA dependent RNA polymerase is necessary for replication of the nodamura virus genome. The NS5B protein ( 65 kDa ) is the viral RNA dependent RNA polymerase. The mRNA encodes RNA dependen...
• rna-dependent rna polymerase    Hcv ns5b protein is encoded by ns5b gene , an rna - dependent rna polymerase that is responsible for the viral rna synthesis . due to no corresponding enzymes in the host cell and the impo...
• rna复制酶    大肠杆菌Qβ噬菌体的RNA复制酶。 它们是在宿主细胞中因RNA复制酶的作用合成的。 1965年，科学家发现了RNA复制酶，说明RNA可以自我复制。 ORF1编码螺旋酶和RNA复制酶，ORF2编码衣壳蛋白，ORF3功能尚待研究。 而实际上RNA复制酶中缺乏校正功能，因此RNA复制时错误率很高。 注：RNA复制酶只对病毒本身的RNA起作用,而不会作用于宿主细胞中的RNA分子。 ...
• rna聚合酶    肝素能与DNA竞争与RNA聚合酶相结合。 DNA dependent RNA polymerase.全称是依赖DNA的RNA聚合酶。 羰基镍影响RNA聚合酶，干扰RNA合成。 RNA聚合酶怎样识别出这样的段落？ 发卡结构阻碍了RNA聚合酶的移动。 对大肠杆菌RNA聚合酶了解得最多。 不同于在DNA转录中起作用的RNA聚合酶。 RNA为翻译模板，表达出病毒RNA聚合酶。 决定...
• rna聚合酶ii    所有的类病毒RNA没有mRNA活性，不编码任何多肽，它的复制是借助寄主的RNA聚合酶II的催化，在细胞核中进行的RNA到RNA的直接转录。 (cccDNA)，然后以cccDNA为模板，在宿主RNA聚合酶II的作用下，转录成几种不同长短的mRNA，其中3.5kb的mRNA含有HBV DNA序列上全部遗传信息，称为前基因组RNA。
• rna聚合酶iii    多数的siRNA表达载体依赖三种RNA聚合酶III启动子(pol III)中的一种，操纵一段小的发夹RNA(short hairpin RNA,shRNA)在哺乳动物细胞中的表达。
• rna依赖性dna聚合酶    RNA依赖性DNA聚合酶RNA dependentDNA polymerase为依赖于RNA合成DNA的酶，亦称逆转录酶（反向转录酶，reverse transcriptase）。 但目前认为，端粒酶为RNA依赖性DNA聚合酶，端粒酶的亚单位工作是以RNA为模板合成端粒DNA片段。
• rna连接酶    免疫亲和层析法纯化T4RNA连接酶。 定义2：由T4RNA连接酶在体外连接成的RNA分子。 第二步是连接反应，需要ATP的存在，由RNA连接酶所催化。 连接酶有T4噬菌体DNA连接酶、T4噬菌体RNA连接酶、大肠埃希菌DNA连接酶等。 第一步由内切酶切除插入序列，不需ATP；第二步由RNA连接酶连接，需要ATP。 对RNA连接酶的分离纯化和将RNA连接酶用于RNA酶促合成的...
• rna解旋酶    正在或拟开展的研究主要是通过应用单分子荧光显微技术、光镊、AFM等现代光学、物理方法，以及传统的生物物理及化学方法，理论与实验相结合，研究生物体内各种马达蛋白（如DNA解旋酶、RNA解旋酶、端粒酶以及主要负责运输功能的驱动蛋白、动力蛋白等）的生物学特性及其能量转换机制，为了解生物细胞内的物质能量传输和功能调控、探索疾病治疗的新途径打下基础。 先后建立了50余种转基因或基因剔...
• 10sa rna    tmRNA was first designated 10Sa RNA after a mixed  10S electrophoretic fraction of " Escherichia coli"
• 12s ribosomal rna    A cladogram based on sequences of mitochondrial 12S ribosomal RNA, 16S ribosomal RNA and cytochrome-c oxidase I ( COI ) genes showing phylogenic relations of Patellogastropoda by Nakano & ...
• 16s ribosomal rna    It is a complex of the 16S ribosomal RNA and 22 ribonucleoproteins. It is the eukaryotic nuclear homologue of the mitochondrial 16S ribosomal RNAs. It can be identified by 16S ribosomal RN...
• 16s rna    Recently, the complex was assigned to the genus, " Pantoea, " which did not agree with the results from the 16S RNA sequence analysis. In 1994, the isolate was more thoroughly characterize...
• 18s ribosomal rna    The 12S rRNA is the mitochondrial homologue of the eukaryotic nuclear 18S ribosomal RNAs. Dugesiidae and Geoplanidae share a duplication of the cluster that codifies for the 18S ribosomal ...
• 18s rna    Instead of the division into aseptate and septate taxa five new superfamilies have been proposed on the basis of 18s RNA studies. Transcription of rRNA yields a long precursor molecule ( 4...
• 20s rna    There are currently only two species in this genus including the type species " Saccharomyces 20S RNA narnavirus ".
• 23s methyl rna motif    The "'23S methyl RNA motif "'is a conserved RNA structure found rho-independent transcription terminators downstream, which could be a mechanism of regulation.
• 23s ribosomal rna    It includes the 5S ribosomal RNA and 23S ribosomal RNA. Role of precursor sequences in the ordered maturation of E . coli 23S ribosomal RNA. An analysis of A-minor motifs in the 23S riboso...
• 28s ribosomal rna    The 16S rRNA is the mitochondrial homologue of the eukaryotic nuclear 28S ribosomal RNAs. The R2 element is co-transcribed with host organism 28S ribosomal RNA ( rRNA ). U21 snoRNA has a 1...
• 28s rna    Transcription of rRNA yields a long precursor molecule ( 45S pre-rRNA ) which still contains the ITS and ETS . Further processing is needed to generate the 18S RNA, 5.8S and 28S RNA molecu...
• 4s rna    PABPC4 contains 4 RNA-binding domains and proline-rich C terminus. Together these subunits are composed of 4 RNA species and approximately 80 structurally distinct proteins. *Class 4 RNase...
• 5.8s ribosomal rna    Z37 acts as a methylation guide for 5.8S ribosomal RNA . This family contains a putative snoRNA found in the intron of the receptor for activated C kinase ( RACK1 ) gene in mammals identif...
• 5s ribosomal rna    It includes the 5S ribosomal RNA and 23S ribosomal RNA. In 1985 Gottschalk and Blanz did a study about the 5s ribosomal RNA and distinguished two types of structures in the Basidiomycota. ...