The SOS2 (SOS Ras/Rho guanine nucleotide exchange factor 2) is a protein-coding gene located on chromosome 14.
SOS2, or Son of sevenless homolog 2, is a human gene.
SOS2 promotes the exchange of GDP for GTP on the Ras protein, effectively activating Ras.
SOS2 is also known as NS9, SOS-2.
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