Need a KrasGef

  *** xKras[Ab] GTP-association[BDPD] is increased irt Egf (5 min)
    *** cells: HTTA in BMLS
    *** unaffected by: xRig1 [addition]
    *** source: 16005186-Fig-2b

  *** xKras[tAb] GTP-association[BDPD] is increased irt Egf (times)
    *** cells: NIH3T3 in BMLS
    *** times: 0 1+ 2+ 5+ min
    *** comment: xKras-splice-variant-2 (aka 4B, 2B, PO1118-2) is used
    *** source: 15226433(D)

