Anti-KH domain containing 4, pre-mRNA splicing factor antibodies are used for the immunodetection of the protein encoded by the KHDC4 gene. In humans, the canonical protein has a reported length of 614 amino acid residues and a mass of 64.8 kDa. Its subcellular localization is in the nucleus and cytoplasm. Alternative splicing is reported to yield 4 different isoforms for this protein. It is ubiquitously expressed across many tissue types. A member of the KHDC4 protein family, it is a reported RNA-binding protein involved in pre-mRNA splicing. Other names for this target antigen include KIAA0907, SNORA80EHG, KH homology domain-containing protein 4, brings lots of money 7, pre-mRNA splicing factor protein KHDC4, and BLOM7. Gene orthologs have been identified in the mouse, rat, bovine, frog, zebrafish, chimpanzee and chicken species.