The function of ENSG00000078487 (ZCWPW1, zinc finger CW-type and PWWP domain containing 1) is as follows. Dual histone methylation reader specific for PRDM9-catalyzed histone marks (H3K4me3 and H3K36me3) (PubMed:20826339, PubMed:32744506). Facilitates the repair of PRDM9-induced meiotic double-strand breaks (DSBs) (By similarity). Essential for male fertility and spermatogenesis (By similarity). Required for meiosis prophase I progression in male but not in female germ cells (By similarity). {ECO:0000250|UniProtKB:Q6IR42, ECO:0000269|PubMed:20826339, ECO:0000269|PubMed:32744506}.