Phosphoesterase, RecJ-like This is a domain of predicted phosphoesterases that includes Drosophila prune protein and bacterial RecJ exonuclease [<cite idref="PUB00005478"/>]. The RecJ protein of <taxon tax_id="562">Escherichia coli</taxon> plays an important role in a number of DNA repair and recombination pathways. RecJ catalyzes processive degradation of single-stranded DNA in a 5'-to-3' direction. Sequences highly related to those encoding RecJ can be found in many of the eubacterial genomes sequenced to date [<cite idref="PUB00007151"/>].