LTA is an alias for the gene, Lymphotoxin alpha, in humans. Other names include: Lymphotoxin-alpha; LT-alpha; TNF-beta; Tumor necrosis factor ligand superfamily member 1; TNF superfamily member 1; LT; TNFB; TNFSF1. The encoded protein has an amino acid length of 205 and a mass of 22.3 kDa. Other isoforms may exist. LTA is a member of the Tumor necrosis factor family. This gene shares homology with other species, including: Rat, Frog.