SRRM3 is a symbol for the gene, Serine/arginine repetitive matrix 3, in humans. Other names include: Serine/arginine repetitive matrix protein 3. The encoded protein has an amino acid length of 597 and a mass of 65.2 kDa. Other isoforms may exist. SRRM3 is a member of the CWC21 family. This gene shares homology with other species, including: Mouse, Rat, Frog, Chicken.