Natural and engineered nicking endonucleases - from cleavage mechanism to engineering of strand-specificity. - Siu-Hong Chan; Barry L. Stoddard; Shuang-yong Xu (Nucleic Acids Res., 2011)

Asymmetric DNA recognition by the OkrAI endonuclease, an isoschizomer of BamHI. - Éva Scheuring Vanamee; Hector Viadiu; Siu-Hong Chan; Ajay Ummat; Adrian M. Hartline; Shuang-yong Xu; Aneel K. Aggarwal (Nucleic Acids Res., 2011)