PRAJA1 is an alias for the gene, Praja ring finger 1, E3 ubiquitin protein ligase, in humans. Other names include: E3 ubiquitin-protein ligase Praja-1; Praja1; RING finger protein 70; RNF70. The encoded protein is an enzyme with an amino acid length of 643 and a mass of 71.0 kDa. Other isoforms may exist. This gene shares homology with other species, including: Mouse, Rat.