Endonuclease IV (Tth) (MB43101)

Refrigerated package


500 U


Description: Endonuclease IV (Tth) is a Class II thermostable Apurinic/aPyrimidinic (AP) DNA endonuclease from Thermus thermophilus. This an enzyme is involved in the DNA Base Excision Repair (BER) pathway, that catalyses the cleavage of DNA phosphodiester backbone at AP sites via hydrolysis, leaving a 1 nucleotide gap with 3′-hydroxyl and 5′ deoxyribose phosphate (dRP) termini. AP sites are locations in DNA that neither contain a purine nor a pyrimidine base, which occur either spontaneously or due to DNA damage. Endonuclease IV (Tth) displays activity in both ssDNA and dsDNA. The enzyme also displays 3’-diesterase activity.

– Thermostable DNA endonuclease
– Catalyses the cleavage of DNA phosphodiester backbone at AP sites generating a hydroxyl group at 3′-end and 5′ deoxyribose phosphate (dRP) terminus
– Displays activity in single-stranded DNA and double-stranded DNA

– Studies of DNA damage
– Single cell electrophoresis (comet assay)
– Alkaline unwinding
– SNP analysis
– Genotyping


– Enzyme concentration: 10 U/μL
– Source: Recombinant E. coli strain
– Optimal reaction temperature: 65 °C
– Heat inactivation: no
– Storage conditions: Store at -20 °C
– Shipping conditions: Shipped at dry ice

– Endonuclease IV (Tth) (10 U/μL)
– Reaction Buffer (10x)

Product Brochure EN
Safety Information EN
Informacao de Seguranca PT
Certificate of Analysis ZN041
Certificate of Analysis YO111

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