ArcticZymes Proteinase is an unspecific endopeptidase originating from an Arctic marine microbial source. It has broad substrate specificity and is easy to inactivate after use.
Histones and other proteins are known to protect nucleic acids from interacting optimally with other DNA binding proteins and enzymes. ArcticZymes Proteinase is ideally suited for transforming chromatin and other dense nucleic acids to naked DNA. The enzyme is easy to heat-inactivate. This allows thermal inactivation at temperatures allowing RNA integrity as well as avoiding dissociation of dsDNA.
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ArcticZymes Proteinase is an unspecific endopeptidase originating from an Arctic marine microbial source. It has broad substrate specificity and is easy to inactivate after use.
Histones and other proteins are known to protect nucleic acids from interacting optimally with other DNA binding proteins and enzymes. ArcticZymes Proteinase is ideally suited for transforming chromatin and other dense nucleic acids to naked DNA. The enzyme is easy to heat-inactivate. This allows thermal inactivation at temperatures allowing RNA integrity as well as avoiding dissociation of dsDNA.
Key Features
Easy to inactivate after use: 15 – 30 min at 55 – 60°C
Broad substrate specificity
Active at high salt concentrations
Compatible with downstream DNA analyses
Available in Glycerol FREE formulation
Applications
Lysis and releasing nucleic acid from single-cells and small tissue samples
Optimization of DNA/RNA yields from nucleic acids when added to extraction procedures
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Other Products
Tri(propargyl-PEG10-NHCO-ethyloxyethyl)amine
Product Info
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Product Info
Tri(propargyl-PEG10-NHCO-ethyloxyethyl)amine is a click chemistry branched linker with three terminal azide groups. The hydrophilic PEG spacer increases solubility in aqueous media. The azide group can react with alkyne, BCN, DBCO via Click Chemistry.
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Tri(propargyl-PEG10-NHCO-ethyloxyethyl)amine is a click chemistry branched linker with three terminal azide groups. The hydrophilic PEG spacer increases solubility in aqueous media. The azide group can react with alkyne, BCN, DBCO via Click Chemistry.
ArcticZymes RNA to DNA Ligase (ArcticZymes R2D Ligase™) is the first ligase on the market that is able to ligate DNA to 5’-phosphorylated ends of RNA in the presence of a DNA template positioning the joinable ends. With its unique substrate specificity, ArcticZymes R2D Ligase allows the development of new technologies in molecular biology research, diagnostics, and manufacturing.
Key Features:
Novel substrate specificity
RNA to DNA ligation
High purity
Detergent free
Efficient ligation of DNA to 5’-phosphorylated ends of RNA in the presence of a DNA template positioning the ligatable ends of DNA and RNA
ATP dependent dsDNA ligase
Utilizes Mg2+ or Mn2+
Suggested Applications:
RNA capturing
In vitro transcription
NGS library prep
Transcriptome amplification
miRNA detection/analysis
RNA splint ligation
Document
ArcticZymes RNA to DNA Ligase (ArcticZymes R2D Ligase™) is the first ligase on the market that is able to ligate DNA to 5’-phosphorylated ends of RNA in the presence of a DNA template positioning the joinable ends. With its unique substrate specificity, ArcticZymes R2D Ligase allows the development of new technologies in molecular biology research, diagnostics, and manufacturing.
For the selective separation and enumeration of enterococci in food and water.
Principle and Interpretation
Tryptone and peptone are the sources of nitrogen and essential growth factors. Yeast extract acts as well nitrogenous compounds and additionally the vitamin B12 complex. Sodium azide acts largely inhibits the growth of gram-negative bacteria while sparing enterococci, staphylococci and streptococci. Ox bile inhibits most gram positives but not enterococci. Enterococci hydrolyse esculin to esculetin and dextrose, which reacts with ferric citrate producing a brownish black precipitate around the colonies. Tolerance to bile and the ability to hydrolyze esculin is the traditional and reliable test for the identification of enterococci. (4). Sodium chloride maintains the osmotic balance of the medium and Agar is the solidifying agent.
Formulation
Ingredients
/liter
Tryptone
17.0g
Ox bile
10.0g
Yeast extract
5.0g
Sodium chloride
5.0g
Peptone
3.0g
aesculin
1.0g
Ferric ammonium citrate
0.5g
Sodium azide
0.15g
Agar
15.0g
pH 7.1±0.1 at 25°C
Preparation
Weigh 56.6g of dry powder of this product, add 1 L of distilled water or deionized water, stir, heat and boil until completely dissolved, and sterilize at 121℃ for 15 min.
Quality Control
Cultural characteristics observed after incubation at 35-37°C for 20-24hours.
Quality control strains
Growth
Colony color
Enterococcus faecalis ATCC29212
PR≥0.7
Brown-black halo
Escherichia coli ATCC25922
inhibited
Absence of brown-black halo
Sorage and Shelf Life
Keep container tightly closed, store in a cool, dry place, away from bright light. Storage period of 3 years.
Precautions
1. When weighing the dehydrated medium, please wear masks to avoid causing respiratory system discomfort
2. Keep container tightly closed after using to prevent clumping.
Waste Disposal
Microbiological contamination was disposed by autoclaving at 121°C for 30 minutes.
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Intended Use For the selective separation and enumeration of enterococci in food and water. Principle and Interpretation Tryptone and peptone are the sources of nitrogen and essential grow……