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Merck
CN

P8811

Sigma-Aldrich

蛋白酶 来源于灰色链霉菌

powder, BioReagent, suitable for mouse embryo cell culture, ≥3.5 units/mg solid

别名:

Actinase E, Pronase E

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About This Item

CAS号:
EC 号:
MDL编号:
UNSPSC代码:
12352207
eCl@ss:
32160410
NACRES:
NA.75

产品线

BioReagent

质量水平

形式

powder

比活

≥3.5 units/mg solid

技术

cell culture | embryo: suitable

杂质

starch, essentially free

储存温度

−20°C

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特异性

一种具有包括细胞外丝氨酸蛋白酶在内至少三种蛋白水解活性的混合物。通常,丝氨酸蛋白酶可显示出广泛的底物特异性,而这被视为通过分子中由一个Asp、一个His和Ser残基组成的活性位点所介导的。该酶更倾向于水解谷氨酸或天冬氨酸的羧基侧的肽键。

应用

蛋白酶通常用于核酸的分离过程,通过补充0.2%十二烷基硫酸钠和10 mM EDTA并孵育0.5-3.0小时。
该酶比已知碱性蛋白酶在更高的pH范围内更具活性,即使在0.2N NaOH溶液中也显示出了蛋白水解活性。该酶用于不溶性蛋白的蛋白水解和蛋白的结构研究。

其他说明

一种不常见的非特异性蛋白酶。

质量

含有约 25% 的醋酸钙。

物理属性

通过在80 °C以上加热15-20分钟以完全灭活。

单位定义

在 pH7.5,37℃ 下,一个单元每分钟将水解酪蛋白,并产生相当于 1.0 μmole(181 μg)酪氨酸的颜色(使用 Folin-Ciocalteu 试剂显色)。

制备说明

收集自灰色链霉菌的培养基肉汤中。

象形图

Health hazardExclamation mark

警示用语:

Danger

危险分类

Eye Irrit. 2 - Resp. Sens. 1 - Skin Irrit. 2 - STOT SE 3

靶器官

Respiratory system

WGK

WGK 2

闪点(°F)

Not applicable

闪点(°C)

Not applicable

个人防护装备

Eyeshields, Gloves, type N95 (US)

法规信息

常规特殊物品

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Shantha K Mahadevaiah et al.
Nature, 586(7830), 612-617 (2020-08-21)
Single-cell RNA sequencing of embryos can resolve the transcriptional landscape of development at unprecedented resolution. To date, single-cell RNA-sequencing studies of mammalian embryos have focused exclusively on eutherian species. Analysis of mammalian outgroups has the potential to identify deeply conserved
S Blumberg et al.
European journal of biochemistry, 136(1), 151-154 (1983-10-17)
A series of 2-mercaptoacetyl-dipeptides, a potential group of metalloendopeptidase inhibitors, has been synthesized by coupling the N-hydroxysuccinimide ester of S-acetyl-2-mercaptoacetic acid with hydrophobic dipeptide methyl ester hydrochlorides, followed by hydrolysis with NaOH in aqueous methanol and acidification with HCl. Thus
J Erik Mylroie et al.
Environmental toxicology and chemistry, 40(3), 780-791 (2020-10-13)
Perfluorooctanesulfonic acid (PFOS) is a perfluorinated compound used in many industrial and consumer products. It has been linked to a broad range of adverse effects in several species, including zebrafish (Danio rerio). The zebrafish embryo is a widely used vertebrate
Yan Jiang et al.
Human gene therapy, 30(2), 179-196 (2018-07-20)
Hepatic stellate cells (HSCs) are the primary cell type responsible for liver fibrogenesis. Transforming growth factor beta 1 (TGF-β1) and platelet-derived growth factor (PDGF) are key profibrotic cytokines that regulate HSC activation and proliferation with functional convergence. Dual RNA interference
Xuan Mu et al.
Macromolecular bioscience, 20(1), e1900191-e1900191 (2019-08-23)
Hierarchical molecular assembly is a fundamental strategy for manufacturing protein structures in nature. However, to translate this natural strategy into advanced digital manufacturing like three-dimensional (3D) printing remains a technical challenge. This work presents a 3D printing technique with silk

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