ParD-like antitoxin is a family of archaeal and bacterial proteins of a type II bacterial toxin-antitoxin system. Many of the cognate toxins for these molecules fall into family ParE-like_toxin, Pfam:PF15781. Gene-pairs are expressed from the same operon, the toxin of the pair being expressed first, eg, for UniProtKB:Q3AQ93 and UniProtKB:Q3AQ94.