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Figure 4.
Figure 4 Stereographic representation of the IB1 SH3 domain. (A)
The solvent-accessible surface of the IB1 SH3 domain. Contact
residues from the other molecule of the homodimer colored after
atom type are shown as sticks. Carbon atoms from residues 500 to
510 are colored in gray, those from residues 525 to 529 are in
yellow and the 542 to 547 region is shown in magenta. Residues
506 and 507 from both monomers are colored in cyan. (B) The
solvent-accessible surfaces of the IB1 and SEM-5 SH3 domains.
The surface of the IB1 SH3 domain is colored after atom type.
The superimposed solvent-accessible surface of SEM-5 (Lim et al,
1994) is shown as a yellow mesh, along with the bound
mSos-derived peptide PPPVPPR in sticks representation. The
canonical PPII binding sites are labeled (Yu et al, 1994).
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