THBS1 is a symbol for the gene, Thrombospondin 1, in humans. Other names include: Thrombospondin-1; thrombospondin-1p180; THBS; THBS-1; TSP; TSP-1. The encoded protein has an amino acid length of 1170 and a mass of 129.4 kDa. THBS1 is a member of the Thrombospondin family. This gene shares homology with other species, including: Mouse, Rat, Zebrafish, Frog, Chicken.