- Mediator Complex Subunit 15 (MED15)
- Mediator Complex Subunit 6 (MED6)
- Mediator Complex Subunit 7 (MED7)
- Mediator Complex Subunit 8 (MED8)
- Splicing Regulatory Glutamine/Lysine Rich Protein 1 (SREK1)
- Serine/Arginine Rich Splicing Factor 2 (SRSF2)
- Serine/Arginine Rich Splicing Factor 3 (SRSF3)
- Serine/Arginine Rich Splicing Factor 4 (SRSF4)
- Serine/Arginine Rich Splicing Factor 5 (SRSF5)
- Serine/Arginine Rich Splicing Factor 6 (SRSF6)
- Serine/Arginine Rich Splicing Factor 7 (SRSF7)
- Serine/Arginine Rich Splicing Factor 8 (SRSF8)
- Serine/Arginine Rich Splicing Factor 9 (SRSF9)
- Serine/Arginine Rich Splicing Factor 11 (SRSF11)
- Splicing Factor 1 (SF1)