1Z23:
reference: The serine-rich domain from Crk-associated substrate (p130cas) is a four-helix bundle., Briknarova K, Nasertorabi F, Havert ML, Eggleston E, Hoyt DW, Li C, Olson AJ, Vuori K, Ely KR, J Biol Chem 2005 Jun 10;280(23):21908-14. Epub 2005 Mar 28. PMID: 15795225

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