核糖核酸酶T1

BR,300000u/mg

货号:RM1046-1

品牌:PUK

CAS号:9026-12-4

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    RM1046-1-100ku BR,300000u/mg 0 2-3天

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    RM1046-1-500ku BR,300000u/mg 0 2-3天

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    产品名称 : 核糖核酸酶T1
    货号: RM1046-1

     

    英文名称:Ribonulease T1 from Aspergillus oryzae;Rnase T1
    CAS号:9026-12-4

    级别:BR
    活力:≥300000units/mg protein
    活力定义:One Unit releases the equivalent of one A260 unit of acid-soluble products from yeast RNA in 15 minutes at 37°C, pH 7.5
    概述:Ribonuclease T1 is an endoribonuclease, highly specific for the cleavage of RNA or deaminated RNA between guanosine 3'-phosphate residues (or inosine 3'-phosphate) and the 5'-OH residues of adjacent nucleotides with the formation of the corresponding intermediate 2', 3'-cyclic phosphates. It cleaves single-stranded RNA releasing oligonucleotides from the guanosine 3'-phosphate termini. The enzyme has a molecular weight of 11 kDa. The optimum pH is 7.5. RNase T1 is inhibited by Ag+, Zn2+, Cu2+, and Hg2+ at 1 X 10-3 M. The stimulatory effects of both histidine and EDTA are attributed to chelation of contaminating inhibitor cations. The enzyme assay is essentially the method of Egami et al., Prog. in Nucleic Acid Res. and Molec. Biol., III, 59 (1964) based upon the release of acid soluble oligonucleotides following the digestion of yeast RNA.
    性状(以下信息仅供参考):核糖核酸酶 T1是一种内切酶,在G残基位点特异性降解单链RNA。该酶通过形成核苷2′,3′-环磷酸中间体来切割3′-鸟苷残基与邻近核苷5′-OH基团之间的磷酸二酯键。反应产物是3′-GMP末端寡核苷酸。RNase T1发挥活性无需金属离子参与
    用途:本品仅供科研,不得用于其它用途。(以下用途仅供参考)除去DNA抽取物中的RNA;RNA测序;核糖核酸酶保护分析,与RNase A协同作用;除去重组蛋白抽提物中的RNA;检测G-less cassette DNA模板体外转录合成的RNA转录子水平
    保存:2-8℃

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