SRSF protein kinase 3 is a human gene encoded by the symbol, SRPK3. It may also be known as: MSSK-1; Serine/arginine-rich protein-specific kinase 3; SR-protein-specific kinase 3; Serine/threonine-protein kinase 23; Muscle-specific serine kinase 1; SRSF protein kinase 3 ; MSSK1; STK23. The encoded protein is an enzyme with an amino acid length of 567 and a mass of 62.0 kDa. SRSF protein kinase 3 is a member of the Protein kinase superfamily, CMGC Ser/Thr protein kinase family. Homologs of this gene exist in other organisms, including: Mouse, Rat, Frog.