PROCA1 is a symbol for the gene, Protein interacting with cyclin A1, in humans. Other names include: Protein PROCA1; proline-rich cyclin A1-interacting protein. The encoded protein has an amino acid length of 364 and a mass of 40.5 kDa. Other isoforms may exist. PROCA1 is a member of the PROCA1 family. This gene shares homology with other species, including: Mouse, Rat, Zebrafish, Frog, Chicken.