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Invitrogen™ Proteinase K Solution

Catalog No. 4333793
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4333793 5 mL
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Catalog No. 4333793 Supplier Invitrogen™ Supplier No. 4333793
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Description

Proteinase K from the fungus Engyodontium album is a non-specific serine protease that is useful for general digestion of proteins.

Proteinase K from the fungus Engyodontium album is a non-specific serine protease that is useful for general digestion of proteins.

  • Over a wide pH range (optimal activity between 6.5 and 9.5)
  • Under denaturing conditions (e.g., the presence of SDS or urea)
  • In the presence of metal chelating agents (e.g. EDTA)
  • At comparatively high temperatures (optimum digestion temperature is 65°C)

Applications
Removal of endogenous nucleases during the preparation of DNA and RNA; preparation of tissue sections for in situ hybridization.

Performance and Quality Testing
Endodeoxyribonuclease and exodeoxyribonuclease assays; liquid form tested for absence of RNase activity.

Unit Definition
One mAnson unit is described as that amount of enzyme that liberates 1 μmole of Folin-positive amino acid within one minute at 37°C using hemoglobin as a substrate.

Order Info

Shipping Condition: Wet Ice

Specifications

Purity DNase-Free, RNase-Free
For Use With (Application) Chromatin Biology/RNA Extraction/DNA Extraction
Content And Storage Store in refrigerator (2°C to 8°C).
Shipping Condition Wet Ice
Quantity 5 mL
Product Type Proteinase K
Form Liquid

Frequently Asked Questions (FAQs)

How do you recommend storing proteinase K?

We recommend storing it at 4°C.
How do I isolate DNA from single bacterial colonies before PCR?

Scrape a single colony from the surface of an agar plate and transfer to 12 µL of SCL solution [10 mM Tris-HCl (pH 7.5), 1 mM EDTA, 50 µg/mL proteinase K] and incubate for 15 min at 55 degrees C. Inactivate proteinase K for 15 min at 80 degrees C and add 20 µL of deionized water. Centrifuge at 12,000 x g for 3 min. Transfer the supernatant to a new tube.

For Research Use Only. Not for use in diagnostic procedures.