2F2W:
reference: Cooperative propagation of local stability changes from low-stability and high-stability regions in a SH3 domain., Casares S, Lopez-Mayorga O, Vega MC, Camara-Artigas A, Conejero-Lara F, Proteins. 2007 May 15;67(3):531-47. PMID: 17330285

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