Alpha-2-HS-glycoprotein, or, AHSG, is a human gene. Other names include: Alpha-2-Z-globulin; Ba-alpha-2-glycoprotein; Fetuin-A; A2HS; AHS; FETUA; HSGA. The encoded protein has an amino acid length of 367 and a mass of 39.3 kDa. Other isoforms may exist. Alpha-2-HS-glycoprotein is a member of the Fetuin family. This gene shares homology with other species, including: Frog.