label: SOS-mediated nucleotide exchange of RAS (mediated by GRB2:SOS1 in complex with phosphorylated SHC1 and p-EGFRvIII) (Homo sapiens)
label_lc: sos-mediated nucleotide exchange of ras (mediated by grb2:sos1 in complex with phosphorylated shc1 and p-egfrviii) (homo sapiens)