Summary of peptidases in B. xylophilus and other nematodes.

According to Merops, the proteins classified by catalytic types: aspartic (Asp), cystein (Cys), metallo (Metal), serine (Ser) and threonin (Thr). Numbers of proteins in which all conserved catalytic residues found are shown in parentheses.*Isoforms from one gene were counted only once.