LSG1 is a symbol for the gene, Large 60S subunit nuclear export GTPase 1, in humans. Other names include: Large subunit GTPase 1 homolog; hLsg1. The encoded protein is an enzyme with an amino acid length of 658 and a mass of 75.2 kDa. Other isoforms may exist. LSG1 is a member of the TRAFAC class YlqF/YawG GTPase family, LSG1 subfamily. This gene shares homology with other species, including: Mouse.