SRSF9 is a symbol for the gene, Serine/arginine-rich splicing factor 9, in humans. Other names include: Splicing factor, arginine/serine-rich 9; Pre-mRNA-splicing factor SRp30C; SR splicing factor 9; SFRS9; SRp30c. The encoded protein has an amino acid length of 221 and a mass of 25.5 kDa. Other isoforms may exist. SRSF9 is a member of the Splicing factor SR family. This gene shares homology with other species, including: Mouse, Rat, Frog.