Son of sevenless homolog 2
Function
Promotes the exchange of Ras-bound GDP by GTP.
Involvement in disease
Noonan syndrome 9
NS9
A form of Noonan syndrome, a disease characterized by short stature, facial dysmorphic features such as hypertelorism, a downward eyeslant and low-set posteriorly rotated ears, and a high incidence of congenital heart defects and hypertrophic cardiomyopathy. Other features can include a short neck with webbing or redundancy of skin, deafness, motor delay, variable intellectual deficits, multiple skeletal defects, cryptorchidism, and bleeding diathesis. Individuals with Noonan syndrome are at risk of juvenile myelomonocytic leukemia, a myeloproliferative disorder characterized by excessive production of myelomonocytic cells.
None
The disease is caused by variants affecting the gene represented in this entry.
Alternative names
Son of sevenless homolog 2, SOS-2, SOS2