There are a number of ELISA Kits available for the measurement of ANRT, another term for the human protein, angiotensinogen. Other synonyms may include: alpha-1 antiproteinase antitrypsin, angiotensin I, angiotensin II, fetal-liver predominant transporter 1, serine (or cysteine) proteinase inhibitor, serpin A8, and serpin peptidase inhibitor clade A member 8. It is encoded by the AGT gene to yield a protein 485 amino acids in length and 53.2 kDa in size. The protein is categorized into the Serpin family. Versions of ANRT are present in other organisms, including: Mouse, Rat.