SRPK3
Function
Serine/arginine-rich protein-specific kinase which specifically phosphorylates its substrates at serine residues located in regions rich in arginine/serine dipeptides, known as RS domains. Phosphorylates the SR splicing factor SRSF1 and the lamin-B receptor (LBR) in vitro. Required for normal muscle development (By similarity).
Sequence Similarities
Belongs to the protein kinase superfamily. CMGC Ser/Thr protein kinase family.
Tissue Specificity
Exclusively expressed in skeletal and heart muscle.
Alternative names
MSSK1, STK23, SRPK3, SRSF protein kinase 3, Muscle-specific serine kinase 1, Serine/arginine-rich protein-specific kinase 3, Serine/threonine-protein kinase 23, MSSK-1, SR-protein-specific kinase 3