GAS1 is a symbol for the gene, Growth arrest specific 1, in humans. Other names include: Growth arrest-specific protein 1; GAS-1; Growth arrest-specific gene-1; growth arrest-specific 1. The encoded protein has an amino acid length of 345 and a mass of 35.7 kDa. Other isoforms may exist. This gene shares homology with other species, including: Rat, Chicken.