P8811
Protease from Streptomyces griseus
powder, BioReagent, suitable for mouse embryo cell culture, ≥3.5 units/mg solid
Synonym(s):
Actinase E, Pronase E
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About This Item
product line
BioReagent
Quality Level
form
powder
specific activity
≥3.5 units/mg solid
technique(s)
cell culture | embryo: suitable
impurities
starch, essentially free
storage temp.
−20°C
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Specificity
A mixture of at least three proteolytic activities including an extracellular serine protease. In general, serine proteases display a wide range of substrate specificities, which are believed to be mediated by an active site composed of one Asp, one His, and a Ser residue in the molecule. This enzyme prefers to hydrolyze peptide bonds on the carboxyl side of glutamic or aspartic acid.
Application
Protease is typically used in nucleic acid isolation procedures in incubations of 0.5-3.0 hours supplemented with 0.2% sodium dodecyl sulfate and 10 mM EDTA.
This enzyme is more active at a higher pH range than the known alkaline protease, showing the proteolytic activity even in 0.2N NaOH solution. This enzyme is useful for proteolysis of insoluble protein and for structure investigation of protein.
Other Notes
An unusually non-specific protease.
Quality
Contains approximately 25% calcium acetate.
Physical properties
Completely inactivated by heating above 80 °C for 15-20 minutes.
Unit Definition
One unit will hydrolyze casein to produce color equivalent to 1.0 μmole (181 μg) of tyrosine per min at pH 7.5 at 37 °C (color by Folin-Ciocalteu reagent).
Preparation Note
Collected from culture broth of S. griseus.
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Danger
Hazard Statements
Precautionary Statements
Hazard Classifications
Eye Irrit. 2 - Resp. Sens. 1 - Skin Irrit. 2 - STOT SE 3
Target Organs
Respiratory system
WGK
WGK 2
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
Personal Protective Equipment
dust mask type N95 (US), Eyeshields, Gloves
Regulatory Information
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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
Articles
Mouse embryo media and embryo validated reagents for transgenic mouse embryo culture
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