Sequence of this protein is as follows: QDDNERIRPP PSSSSWHSGC NLGAQGTTLK PLTVPKVQIS EVDAPPEGDQ MPSSTDSRGL KPLQEDTPQL MRTRSDVGVR RRGNVRTPSD. Potential tumor suppressor. Acts as a KRAS-specific effector protein. May promote apoptosis and cell cycle arrest.