Anti-DDAH antibodies enable researchers to detect and measure the DDAH antigen in biological samples. This target is a reported synonym of the DDAH2 gene, which encodes dimethylarginine dimethylaminohydrolase 2. This protein is known to function in the regulation of apoptosis, among other biological roles. The human version of DDAH has a canonical amino acid length of 285 residues and a protein mass of 29.6 kilodaltons. It is reported to be localized in the mitochondria and cytoplasm of cells. DDAH is a member of the DDAH protein family.