Component of the nuclear pore complex (PubMed:28366641, PubMed:29773558). Binds to transcriptionally active chromatin including regulatory regions (PubMed:28366641, PubMed:31784359). Interacts with piwi. Interacts with chromatin. Expressed in ovaries (at protein level). Expressed in larval brains (at protein level). Belongs to the ELYS/MEL-28 family.