Human PHF8 also known as KDM7B (lysine-specific demethylase 7B), JHDM1F, and KIAA1111, GenBank Accession No. NM_001184896, full-length (a.a. 2-1060(end)), with N-terminal FLAG-tag, MW=120 kDa, expressed in a Baculovirus-infected Sf9 cell expression system.