%0 Journal Article %T Biochemical Properties of Ha-Ras Encoded P21 Mutants %A John, Jacob %A Frech, Mathias %A Feuerstein, Jürgen %A Goody, Roger S. %A Wittinghofer, Fred %A , %J The Guanine — Nucleotide Binding Proteins %P 209-214 %D 1989-01-01 %I Springer US %~ DeepDyve