Involved in pre-60S ribosomal particles maturation by promoting the nuclear export of the 60S ribosome (PubMed:32669547). Negatively modulates the DNA binding activity of Oct-2 and therefore its transcriptional regulatory activity (PubMed:9115366). Associates with pre-60S ribosomal particles. Shuttles between the nucleus and the cytoplasm. Ubiquitous. Detected in spleen, prostate, testis, small intestine, colon and to a minor level in thymus and peripheral blood leukocytes. The protein is largely disordered, with the exception of the zinc finger domain. Belongs to the ZNF593/BUD20 C2H2-type zinc-finger protein family.