TTLL2 is a symbol for the gene, Tubulin tyrosine ligase like 2, in humans. Other names include: Probable tubulin polyglutamylase TTLL2; Tubulin--tyrosine ligase-like protein 2; Probable tubulin polyglutamylase TTLL2 ; Testis-specific protein NYD-TSPG; C6orf104; NYD-TSPG; dJ366N23.3; tubulin tyrosine ligase-like family member 2. The encoded protein is an enzyme with an amino acid length of 592 and a mass of 67.3 kDa. TTLL2 is a member of the Tubulin--tyrosine ligase family. This gene shares homology with other species, including: Mouse, Zebrafish.