HTX is an alias for the gene, Zic family member 3, in humans. Other names include: Zinc finger protein ZIC 3; Zinc finger protein 203; Zinc finger protein of the cerebellum 31; VACTERLX; ZNF203. The encoded protein has an amino acid length of 467 and a mass of 50.6 kDa. Other isoforms may exist. HTX is a member of the GLI C2H2-type zinc-finger protein family. This gene shares homology with other species, including: Mouse, Rat, Zebrafish, Frog, Chicken.