Additional file 1: of Lifespan of restriction-modification systems critically affects avoidance of their recognition sites in host genomes

List of sites of all R-M systems available in REBASE. Tab-delimited table of recognition sites of R-M systems that were analyzed in the work. (TSV 162 kb)收录于REBASE数据库的所有限制修饰（Restriction-Modification, R-M）系统的识别位点列表。本研究中分析的限制修饰系统识别位点的制表符分隔值（Tab-Separated Values, TSV）表格，文件大小为162 KB。