TTLL8 encodes the human gene, Tubulin tyrosine ligase like 8. It may also be known as: Protein monoglycylase TTLL8; Protein monoglycylase TTLL8 ; Tubulin--tyrosine ligase-like protein 8; tubulin tyrosine ligase-like family member 8. The encoded protein is an enzyme with an amino acid length of 850 and a mass of 94.7 kDa. Other isoforms may exist. Homologs of this gene exist in other organisms, including: Mouse.