PUR-ALPHA is an alias for the gene, Purine-rich element binding protein A, in humans. Other names include: Transcriptional activator protein Pur-alpha; Purine-rich single-stranded DNA-binding protein alpha; MRD31; PUR1; PURALPHA. The encoded protein has an amino acid length of 322 and a mass of 34.9 kDa. PUR-ALPHA is a member of the PUR DNA-binding protein family. This gene shares homology with other species, including: Mouse, Rat, Zebrafish, E. coli, Frog, Chicken.