Immobilized oligonucleotides as affinity sorbents for restriction endonucleases

: Affinity chromatography of IIS type restriction endonucleases is proposed. It is shown that endonucleases HgaI, FokI, and SfaNI have affinity to the matrix with immobilized oligonucleotides which contain the endonuclease's recognition sites resistant to the hydrolysis.