A predicted Zinc chelating domain present N-terminal to the KDZ transposase domain [1].

1: Lineage-specific expansions of TET/JBP genes and a new class of DNA transposons shape fungal genomic and epigenetic landscapes. Iyer LM, Zhang D, de Souza RF, Pukkila PJ, Rao A, Aravind L; Proc Natl Acad Sci U S A. 2014;111:1676-1683. PMID:24398522