Type II restriction endonuclease Dsa I with process for obtaining it and the use thereof

摘要

The present invention provides a type II restriction endonuclease isolated from Dactylococcopsis salina. The endonuclease is known as Dsa I, and recognizes the following nucleotide sequence and has a cleavage point indicated by the arrows: Also described is a process for obtaining Dsa I from D. salina.