核糖核酸酶 A 來源于牛胰腺, ≥2,500 units/mg dry weight
| ??【編號】：128622 ??【產品名稱】：核糖核酸酶 A 來源于牛胰腺, ≥2,500 units/mg dry weight ??【規格】：200mg ??【用途】：   核糖核酸酶 A 來源于牛胰腺, ≥2,500 units/mg dry weight
Product Name： Ribonuclease A from bovine pancreas
別名：RNase A;核糖核酸 3′-嘧啶寡核苷酸水解酶;核糖核酸酶 I;胰核糖核酸酶
CAS號：9001-99-4
介紹： Pancreatic ribonuclease (RNase I) catalyzes cleavage of the phosphodiester bond between the 5'-ribose of a nucleotide and the phosphate group attached to the 3'-ribose of an adjacent pyrimidine nucleotide forming a 2',3'-cyclic phosphate which may then be hydrolyzed to the corresponding 3'-nucleoside phosphate. Ribonuclease A has a molecular weight of 13,700 daltons. It operates in an optimum pH range of 7.0-7.5. Ribonuclease B has a molecular weight of 14,700 ± 300 daltons. It is a glycoprotein which possesses an amino acid composition indistinguishable from that of RNase A. It contains 6 residues of mannose and 2 residues of N-acetylglucosamine per molecule. It is a glycosylated derivative of RNase A. Ribonuclease is inhibited by heavy metal ions and it is competitively inhibited by DNA. Since Molecular Biology Grade RNase A (Product R128619) is essentially free of DNase and protease activities, this product is useful in removing RNA from DNA in nucleic acid work and where other enzymes are used or where intact proteins must be recovered.
用途： Ribonuclease A is used to remove RNA from DNA plasmid preparations and protein samples. It is also used in RNA sequence analysis and protection assays.
貯存： 儲存溫度2-8℃
敏感性： 易潮濕
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| 上一篇：核糖核酸酶A 來源于牛胰腺(純化溶液), ≥3,000 units/mg protein | 下一篇：核糖核酸酶 B 來源于牛胰腺, ≥1,000 units/mg dry weight |
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