Anti-GLR antibodies enable researchers to detect and measure the GLR antigen in biological samples. This target is a reported synonym of the GLRA2 gene, which encodes glycine receptor alpha 2. This protein is known to function in chemical synaptic transmission, among other biological roles. The human version of GLR has a canonical amino acid length of 452 residues and a protein mass of 52 kilodaltons, although 3 isoforms have been identified. It is reported to be localized in the cell membrane of cells and notably expressed in the colon. Other names for this target antigen include MRXSP and glycine receptor subunit alpha-2.