Automated description from the Alliance of Genome Resources (Release 5.2.2)
Enables RS domain binding activity. Predicted to be involved in mRNA processing; negative regulation of apoptotic process; and regulation of mRNA splicing, via spliceosome. Predicted to act upstream of or within RNA splicing. Predicted to be located in nuclear speck. Is expressed in several structures, including alimentary system; central nervous system; genitourinary system; respiratory system; and sensory organ. Orthologous to human SON (SON DNA and RNA binding protein).