- Integrin Beta 6 (ITGb6)
- Integrin Beta 7 (ITGb7)
- Bone Morphogenetic Protein 5 (BMP5)
- Bone Morphogenetic Protein 15 (BMP15)
- Growth Differentiation Factor 5 (GDF5)
- Growth Differentiation Factor 6 (GDF6)
- Activin A Receptor Type I B (ACVR1B)
- Activin A Receptor Type I C (ACVR1C)
- Activin A Receptor Type II A (ACVR2A)
- Activin A Receptor Type II B (ACVR2B)
- Transforming Growth Factor Beta Receptor III (TGFbR3)
- SMAD family member 6 (SMAD6)
- SMAD family member 9 (SMAD9)
- SMAD family member 5 (SMAD5)
- SMAD family member 3 (SMAD3)
