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Figure 4.
Fig 4. (Upper) Detail of the Crk SH2 domain bound to the
Crk phosphopeptide (residues 221-224) in the ternary complex.
Residues observed to make contacts are highlighted. (Lower)
Sequence comparison of Crk-II with homologues v-Crk and CrkL.
The sequence of murine Crk-II corresponds to the protein
fragment described in this study. Only Crk-II contains a binding
site for the Abl SH3 domain (shaded box).
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