TTLL7 is a symbol for the gene, Tubulin tyrosine ligase like 7, in humans. Other names include: Tubulin polyglutamylase TTLL7; Tubulin--tyrosine ligase-like protein 7; Testis development protein NYD-SP30; Tubulin polyglutamylase TTLL7 ; tubulin tyrosine ligase-like family member 7. The encoded protein is an enzyme with an amino acid length of 887 and a mass of 103.0 kDa. Other isoforms may exist. TTLL7 is a member of the Tubulin--tyrosine ligase family. This gene shares homology with other species, including: Mouse, Rat, Zebrafish, Frog, Chicken.