TY - RPRT TI - Systematic analysis of REBASE identifies numerous Type I restriction-modification systems that contain duplicated, variable hsdS specificity genes that randomly switch methyltransferase specificity by recombination. AU - Atack, J. M. AU - Guo, C. AU - Litfin, T. AU - Yang, L. AU - Blackall, P. J. AU - Zhou, Y. AU - Jennings, M. P. PY - 2020 DO - 10.1101/2020.06.18.137471 UR - https://www.biorxiv.org/content/10.1101/2020.06.18.137471v1 ID - 10.1101/2020.06.18.137471 ER -