SUPT3H encodes the human gene, SPT3 homolog, SAGA and STAGA complex component. It may also be known as: Transcription initiation protein SPT3 homolog; SPT3-like protein; SPT3; SPT3L; suppressor of Ty 3 homolog (S. cerevisiae). The encoded protein has an amino acid length of 399 and a mass of 44.4 kDa. SUPT3H is a member of the SPT3 family. Homologs of this gene exist in other organisms, including: Rat, Zebrafish, Frog, Chicken.