3D39:
reference: Fluorine substitutions in an antigenic peptide selectively modulate T-cell receptor binding in a minimally perturbing manner., Piepenbrink KH, Borbulevych OY, Sommese RF, Clemens J, Armstrong KM, Desmond C, Do P, Baker BM, Biochem J. 2009 Oct 12;423(3):353-61. PMID: 19698083

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