83833
核糖核酸酶A 来源于牛胰腺
90%, powder, white, ~80 U/mg
别名:
RNAsea, 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
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关于此项目
化学文摘社编号:
UNSPSC Code:
12352204
EC Number:
232-646-6
MDL number:
Specific activity:
~80 U/mg
Assay:
90%
SMILES string
[nH]1cnc(c1)CC(NC(=O)CCN)C(=O)O
InChI key
CQOVPNPJLQNMDC-UHFFFAOYSA-N
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)
assay
90%
form
powder
specific activity
~80 U/mg
mol wt
~13,700, Mr ~13700
color
white
foreign activity
protease ≤0.001%
shipped in
wet ice
storage temp.
−20°C
Quality Level
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General description
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。
Application
- 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。
Features and Benefits
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。
Analysis Note
蛋白测定方法：E.
Other Notes
1 U corresponds to the amount of enzyme which hydrolyzes the RNA at a rate constant k = 1 at 25°C and pH 5.0 (Kunitz-units); M. Kunitz, J. Biol. Chem. 164, 563 (1946)
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signalword
Danger
hcodes
pcodes
Hazard Classifications
Resp. Sens. 1
存储类别
11 - Combustible Solids
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Gloves, type N95 (US)
法规信息
新产品
此项目有
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