Isolation and computer-aided characterization of MmeI, a type II restriction endonuclease from Methylophilus methylotrophus. - A. C. Boyd; I. G. Charles; J. W. Keyte; W. J. Brammar (Nucleic Acids Res., 1986)

The commercially available restriction enzyme BspHI is blocked by overlapping methylation. - S. Servos; C. Silva; G. Dougan; I. G. Charles (Nucleic Acids Res., 1991)