The function of Ensembl gene identifier ENSG00000130518 (IQCN, IQ motif containing N) is as follows. Essential for spermiogenesis and fertilization (PubMed:36321563). May be required for manchette assembly in elongating spermatids (By similarity). {ECO:0000250|UniProtKB:A0A1D5RMD1, ECO:0000269|PubMed:36321563}.