HTRG is an alias for the gene, SAP30 binding protein, in humans. Other names include: SAP30-binding protein; Transcriptional regulator protein HCNGP; HCNGP; HTRP. The encoded protein has an amino acid length of 308 and a mass of 33.9 kDa. Other isoforms may exist. HTRG is a member of the HCNGP family. This gene shares homology with other species, including: Mouse, Rat, Zebrafish, Frog, Chicken.