CC-CKR-9 is an alias for the gene, Chemokine (C-C motif) receptor 9, in humans. Other names include: C-C chemokine receptor type 9; C-C CKR-9; CCR-9; G-protein coupled receptor 28; GPR-9-6; CD antigen CDw199; CDw199; GPR28. The encoded protein has an amino acid length of 369 and a mass of 42.0 kDa. CC-CKR-9 is a member of the G-protein coupled receptor 1 family. This gene shares homology with other species, including: Mouse, Rat, Frog, Chicken.