CD304 is an alias for the gene, Neuropilin 1, in humans. Other names include: Neuropilin-1; Vascular endothelial cell growth factor 165 receptor; CD antigen CD304; BDCA4; VEGF165R. The encoded protein has an amino acid length of 923 and a mass of 103.1 kDa. CD304 is a member of the Neuropilin family. This gene shares homology with other species, including: Mouse, Rat, Frog, Chicken.