推荐产品
生物来源
bovine pancreas
质量水平
类型
Type X-A
检测方案
≥90% (SDS-PAGE)
形式
buffered aqueous solution
比活
≥70 Kunitz units/mg protein
分子量
~13,700
异质活性
protease, essentially free
储存温度
−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 key
CQOVPNPJLQNMDC-UHFFFAOYSA-N
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相关类别
一般描述
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。
Ribonucleases do not hydrolyze DNA, because the DNA lacks 2′-OH groups essential for the formation of cyclic intermediates. RNase can hydrolyze RNA from protein samples. Pancreatic RNase A specifically cleaves at the 3′-side of pyrimidine (uracil or cytosine) phosphate bonds. The ribonuclease (RNase) gene is mapped to human chromosome 14.
应用
- 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。
Ribonuclease A from bovine pancreas has been used to treat human glioblastoma U251 cell line prior to harvesting, for flow cytometry analysis, T suppressor cells and embryonic stem cell chromatin.
Ribonuclease A is used to remove RNA from DNA plasmid preparations and protein samples. Ribonuclease A is used for RNase protection assays, to remove unspecifically bound RNA, analysis of RNA sequences, to hydrolyze RNA contained in protein samples, and the purification of DNA. Ribonuclease A from bovine pancreas has been used in a study to assess the mechanism of heavy metal ions on RNase activity. Ribonuclease A from bovine pancreas has also been used in a study to investigate the performance of oligomeric poly(diallyldimethylammonium chloride) as displacer for cation-exchange displacement chromatography of proteins.
生化/生理作用
The structure of Ribonuclease A (RNase A) comprises of four disulfide and catalytic triad of two histidines crucial for its functionality. RNase A displays three-dimensional domain swapping of the α-helical N-terminal and the C-terminal β-strand. It can exist as dimer or oligomers. The level of RNase is elevated in cancers and infectious diseases. RNase A family of enzymes serve as potential drug targets. The homolog and variants of RNase A are potential chemotherapeutic agents.
特点和优势
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。
外形
0.2M 磷酸钠缓冲溶液，pH 6.4
制备说明
R5503 的进一步色谱纯化得到的特纯 RNAse A
分析说明
蛋白测定方法：E.
通过 SDS-PAGE 测定 RNase A 纯度
警示用语：
Danger
危险声明
预防措施声明
危险分类
Resp. Sens. 1
WGK
WGK 2
闪点(°F)
Not applicable
闪点(°C)
Not applicable
个人防护装备
Eyeshields, Gloves
法规信息
动植物源性产品
Downregulation of the long non-coding RNA taurine-upregulated gene 1 inhibits glioma cell proliferation and invasion and promotes apoptosis
Zhao Z, et al.
Oncology Letters, 15(3), 4026-4032 (2018)
Back to the future: ribonuclease A
Marshall GR, et al.
Pept. Sci., 90(3), 259-277 (2008)
Ribonucleases: From Prototypes to Therapeutic Targets
Loverix S and Steyaert J
Current Medicinal Chemistry, 10(9), 779-785 (2003)
Fa-shui Hong et al.
Guang pu xue yu guang pu fen xi = Guang pu, 22(4), 651-654 (2003-08-27)
This paper studied mechanism of Ce3+, Cd2+, Pb2+ on RNase activity from bovine pancreas. The results showed that the activity of RNase was enhanced under the treatment by Ce3+, Cd2+, Pb2+ at lower concentration (10-60 or 10-30 mumol.L-1), but was
Ribonucleases as Novel Chemotherapeutics
Lee JE and Raines RT
BioDrugs : Clinical Immunotherapeutics, Biopharmaceuticals and Gene Therapy, 22(1), 53-58 (2008)
实验方案
本实验方案可用于测定核糖核酸酶A(RNase A)的活性。
This procedure may be used for determination of Ribonuclease A (RNase A) activity.
Chromatograms
application for HPLC我们的科学家团队拥有各种研究领域经验，包括生命科学、材料科学、化学合成、色谱、分析及许多其他领域.
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