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Sci. Signal., 25 September 2012
[DOI: 10.1126/scisignal.2003021]

Supplementary Materials for:

Superbinder SH2 Domains Act as Antagonists of Cell Signaling

Tomonori Kaneko, Haiming Huang, Xuan Cao, Xing Li, Chengjun Li, Courtney Voss, Sachdev S. Sidhu,* Shawn S. C. Li*

*To whom correspondence should be addressed. E-mail: sachdev.sidhu{at}utoronto.ca (S.S.S.); sli{at}uwo.ca (S.S.C.L.)

This PDF file includes:

  • Fig. S1. SH2 domain variants obtained by screening a phage-displayed library.
  • Fig. S2. An alignment of the human SH2 domains showing the region for pTyr binding.
  • Fig. S3. The specificity and affinity of the Fyn SH2 triple mutant in comparison to those of the wild-type domain.
  • Fig. S4. Amino acid combinations of the pTyr-binding pocket in natural SH2 domains.
  • Fig. S5. The dynamics of the BC loop and its stabilization in the Src SH2 triple-mutant domain.
  • Fig. S6. The structure of the pTyr-binding pocket of the Src SH2 domain triple mutant.
  • Table S1. Minimal distances between pocket-forming residues in an SH2 domain and the pTyr residue of the ligand.
  • Table S2. A list of biotinylated peptides used for screening the phage-displayed Fyn SH2 domain library.
  • Table S3. A list of fluorescein-labeled peptides used for the in-solution binding assay.
  • Table S4. Fitting error statistics for the Kd values reported in Table 1.
  • Table S5. Fitting error statistics for the Kd values reported in Table 2.
  • Table S6. Data collection and refinement statistics for x-ray crystallography.

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Citation: T. Kaneko, H. Huang, X. Cao, X. Li, C. Li, C. Voss, S. S. Sidhu, S. S. C. Li, Superbinder SH2 Domains Act as Antagonists of Cell Signaling. Sci. Signal. 5, ra68 (2012).

© 2012 American Association for the Advancement of Science


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