FBXO32 is a symbol for the gene, F-box protein 32, in humans. Other names include: F-box only protein 32; Atrogin-1; Muscle atrophy F-box protein; MAFbx; Fbx32. The encoded protein has an amino acid length of 355 and a mass of 41.6 kDa. Other isoforms may exist. This gene shares homology with other species, including: Mouse, Rat, Zebrafish, Frog, Chicken.