GUSBP1 encodes the human gene, Glucuronidase, beta pseudogene 1. It may also be known as: Putative inactive beta-glucuronidase-like protein SMA3. The encoded protein has an amino acid length of 140 and a mass of 15.4 kDa. GUSBP1 is a member of the Glycosyl hydrolase 2 family.