4LE9:
reference: 3D domain swapping in a chimeric c-Src SH3 domain takes place through two hinge loops., Camara-Artigas A, Martinez-Rodriguez S, Ortiz-Salmeron E, Martin-Garcia JM, J Struct Biol. 2014 Apr;186(1):195-203. doi: 10.1016/j.jsb.2014.02.007. Epub 2014, Feb 17. PMID: 24556574

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