Anti-MPS3C antibodies enable researchers to detect and measure the MPS3C antigen in biological samples. This target is a reported synonym of the HGSNAT gene, which encodes heparan-alpha-glucosaminide N-acetyltransferase. This protein is reported to be a lysosomal acetyltransferase that acetylates the non-reducing terminal alpha-glucosamine residue of intralysosomal heparin or heparan sulfate, converting it into a substrate for luminal alpha-N-acetyl glucosaminidase. The human version of MPS3C has a canonical amino acid length of 663 residues and a protein mass of 73.3 kilodaltons. It is reported to be localized in the lysosomes of cells and widely expressed in many tissue types.