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Proteinase K (also known as protease K or endopeptidase K) is used in microbiology and is is a broad-spectrum serine protease. Proteinase K is extremely useful in DNA extraction and protecting the nucleic acids from degradation.

Proteinase K has been in short supply in the global marketplace. To alleviate some of the pain, we have identified a verified, high quality manufacturer to keep you stocked up!

AG Scientific has a proven track record of supplying the highest quality enzymes to the life science industry.

Proteinase K without Delay

At AG Scientific, we are ready to meet your requirements with Proteinase K available in sold and solution formats. Bulk quanites required? Let us know!

Custom packaging and labeling needed? No problem! We guarantee:

• A personalized response within 24 hours of your inquiry
• Accountability & personalized customer service
• Fair & equitable prices from the start
• The highest quality standards
• Comprehensive OEM services

Key Properties

• 2 year shelf life, highly stable 
• 6x greater activity than Pronase and 3x greater activity than bovine trypsin
• Broad substrate specificity
• Stable & active over a wide pH range (4-12), maximal activity between pH 7.5-12.0
• Active with SDS, urea, & EDTA.
• Inactivated by DFP and PMSF