Anti-IRXl1 antibodies enable researchers to detect and measure the IRXl1 antigen in biological samples. This target is a reported synonym of the MKX gene, which encodes mohawk homeobox. This protein is known to function in muscle organ development and the regulation of transcription, among other biological roles. The human version of IRXl1 has a canonical amino acid length of 352 residues and a protein mass of 39.3 kilodaltons. It is reported to be localized in the nucleus of cells. IRXl1 is a member of the TALE/IRO homeobox protein family.