Distribution of chromosomal TA systems in non-pathogenic E. coli strain K-12

In this table, 38 TA systems of non-pathogenic Escherichia coli strain K-12 substr. MG1655 have been classified according to types of TA systems. The data were analyzed by comparing toxin-antitoxin database (https://bioinfo-mml.sjtu.edu.cn/TADB2/index.php) and a recent study about AIEC TA systems (Bustamante and Vidal, 2020). One of two unclassified type II TA systems has the same RHH-RelE domain as relBE and the other one does not contain any conserved domain.