Anti-HMHA1 antibodies enable researchers to detect and measure the HMHA1 antigen in biological samples. This target is a reported synonym of the ARHGAP45 gene, which encodes Rho GTPase activating protein 45. This protein is known to function in GTPase activation and GPCR signaling pathways, among other biological roles. The human version of HMHA1 has a canonical amino acid length of 1136 residues and a protein mass of 124.6 kilodaltons, although 2 isoforms have been identified. It is reported to be localized in the cytoplasm of cells and notably expressed in the rectum, lymph node, colon, bone marrow, and appendix. Other names for this target antigen include HA-1 and HLA-HA1. ELISA is the most common application for the HMHA1 antibodies listed below. Western Blot and Immunohistochemistry are also common applications.