label: RAS guanyl-nucleotide exchange mediated by SOS1 in complex with GRB2 and ERBB2 homodimer:p-SHC1 (Homo sapiens)
label_lc: ras guanyl-nucleotide exchange mediated by sos1 in complex with grb2 and erbb2 homodimer:p-shc1 (homo sapiens)