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Abstract for Recombinant RNasin^® Ribonuclease Inhibitor

RNasin^® Ribonuclease Inhibitor has broad-spectrum RNase inhibitory properties. The 50kDa protein exerts its inhibitory effect by noncovalently binding to RNases at a 1:1 ratio. The K_i value for the binding of RNasin^® Ribonuclease Inhibitor to RNase (e.g., RNase A) is approximately 10^–14M. Promega offers two different preparations: Natural RNasin^® Ribonuclease Inhibitor (Cat.# N2111) and Recombinant RNasin^® Ribonuclease Inhibitor (Cat.# N2511, N2515). All of these products are purified using a combination of ion exchange and affinity chromatography, and Natural and Recombinant RNasin^® Ribonuclease Inhibitors are devoid of DNA exonuclease and endonuclease activity and RNase activity. In addition to its ability to inhibit RNase activity, RNasin^® Ribonuclease Inhibitor has been shown to inhibit angiogenesis induced by angiogenin, basic fibroblast growth factor (bFGF) and sodium orthovanadate. Moreover, RNasin^® Ribonuclease Inhibitor reduced neovascularization evoked by implanted tumor cells and significantly inhibited tumor growth in a murine model.

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Part# 9PIN251
Printed in USA. Revised 4/08.
Instructions for Use of Products N2511 & N2515: Request this protocol.

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