POT1 is a symbol for the gene, Protection of telomeres 1, in humans. Other names include: Protection of telomeres protein 1; POT1-like telomere end-binding protein; hPot1; CMM10. The encoded protein has an amino acid length of 634 and a mass of 71.4 kDa. Other isoforms may exist. POT1 is a member of the Telombin family. This gene shares homology with other species, including: Rat, Frog, Chicken.