Proteinproduktet af proto- oncogenet KRAS (Kirsten rat sarcoma 2 viral oncogene homologue) er en central, downstream signaltransducer for EGFR.
The protein product of the proto-oncogene KRAS (Kirsten rat sarcoma 2 viral oncogene homologue) is a central down-stream signal-transducer of EGFR.