Thermostable Endonuclease Q (EndoQ) is an archaeal DNA endonuclease that cleaves the phosphate backbone of a DNA substrate 5′ to the position of the modified nucleobases of deoxyxanthosine (dX), deoxyinosine (dI), deoxyuracil (dU), and an abasic (AP) site. The result is a 3′-OH and a 5′-phosphate. Thermostable Endonuclease Q generally prefers single-stranded DNA over double-stranded DNA, and exhibits higher activity on dU over dI and dX.
Product Source: An E. coli strain that carries a cloned archaeal Endonuclease Q gene with a C-terminal his-tag.
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