GRB2 GI:45359859 growth factor receptor-bound protein 2 isoform 2 1 meaiakydfk ataddelsfk rgdilkvlne ecdqnwykae lngkdgfipk 50 51 nyiemkphpf gndvqhfkvl rdgagkyflw vvkfnslnel vdyhrstsvs 100 101 rnqqiflrdi eqvpqqptyv qalfdfdpqe dgelgfrrgd fihvmdnsdp 150 151 nwwkgachgq tgmfprnyvt pvnrnv