Anti-MUS81 antibodies are used in the immunodetection of the protein MUS81 structure-specific endonuclease subunit. In humans, the canonical protein has a reported length of 551 amino acid residues and a mass of 61.2 kDa. Its subcellular localization is in the nucleus. It is widely expressed across many tissue types. A member of the XPF protein family, MUS81 is known to be involved with DNA repair and DNA damage pathways. Synonyms for this target antigen include MUS81 endonuclease homolog, SLX3 structure-specific endonuclease subunit homolog, and crossover junction endonuclease MUS81. MUS81 gene orthologs have been reported in the mouse, rat, bovine, frog, zebrafish and chimpanzee species. A number of Mus81 antibodies have been mentioned in research publications and have associated citations. Western Blot is a widely used application for these antibodies. Immunofluorescence and Immunohistochemistry are also common applications.