生物源
bovine pancreas
種類
Type II-A
形狀
solid
比活性
>= 60 Kunitz units/mg protein
分子量
~13,700
濃度
≥60% (SDS-PAGE)
技術
cell based assay: suitable
雜質
salt, essentially free
適合性
suitable for molecular biology
應用
diagnostic assay manufacturing
儲存溫度
−20°C
InChI
1S/C9H14N4O3/c10-2-1-8(14)13-7(9(15)16)3-6-4-11-5-12-6/h4-5,7H,1-3,10H2,(H,11,12)(H,13,14)(H,15,16)
InChI 密鑰
CQOVPNPJLQNMDC-UHFFFAOYSA-N
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一般說明
RNase A（核糖核酸酶A）是一种内切核糖核酸酶，在嘧啶核苷酸后裂解单链RNA的磷酸二酯键。它可切割3′磷酸基末端（例如，pG-pG-pC-pA-pG将切割为pG-pG-pCp 和A-pG）。对单链RNA表现出最高活性。RNase A是含有四个二硫键的单链多肽。它与RNase B不同，并非糖蛋白。核糖核酸酶不会水解DNA，因为DNA缺乏形成环状中间体所必需的2′-OH基团。RNase A还可以水解蛋白质样品中的RNA。RNase A可被His12和His119的烷基化抑制并被钾盐和钠盐活化。RNAse在重金属离子存在时受到抑制。此外，RNase也被DNA竞争性抑制。
核糖核酸酶不水解脱氧核糖核酸，因为脱氧核糖核酸缺乏对环状中间体的形成至关重要的2′-羟基。核糖核酸酶可以水解蛋白质样品中的核糖核酸。胰腺核糖核酸酶A在嘧啶（尿嘧啶或胞嘧啶）磷酸键的 3′-侧。
應用
- RNase A用于去除DNA质粒和基因组DNA制品和蛋白质样品中的RNA。
- RNase A还用于RNA序列分析和保护测定。
- RNase A已用作计算辅助药物设计的工具。
- RNase A为RNA序列分析提供支持。
- RNase A水解蛋白质样品中的RNA。
- RNase A为DNA纯化提供支持。
核糖核酸酶A可用于从DNA质粒制备物和蛋白质样品中除去RNA。核糖核酸酶A可用于RNA酶保护测定、去除非特异性结合的RNA、分析RNA序列、水解蛋白质样品中包含的RNA、以及DNA的纯化。来自牛胰腺的核糖核酸酶A已被用于评估人核糖核酸酶-1的杂合酶活性的研究中。 来自牛胰腺的核糖核酸酶A也已被用于研究阳离子交换蛋白置换色谱中基于颗粒的整体柱。
特點和優勢
我们高度稳定的核糖核酸酶A——RNase A，适合于RNA去除、RNA测序和DNA纯化。
準備報告
色谱纯化产品
分析報告
蛋白测定方法：E.
通过 SDS-PAGE 测定 RNase A 纯度
訊號詞
Danger
危險聲明
危險分類
Resp. Sens. 1
儲存類別代碼
11 - Combustible Solids
水污染物質分類（WGK）
WGK 3
閃點（°F）
Not applicable
閃點（°C）
Not applicable
個人防護裝備
Eyeshields, Gloves, type N95 (US)
分析證明 (COA)
輸入產品批次/批號來搜索 分析證明 (COA)。在產品’s標籤上找到批次和批號，寫有 ‘Lot’或‘Batch’.。
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條款
This procedure may be used for determination of Ribonuclease A (RNase A) activity.
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