1A2Y:
reference: A mutational analysis of binding interactions in an antigen-antibody protein-protein complex., Dall'Acqua W, Goldman ER, Lin W, Teng C, Tsuchiya D, Li H, Ysern X, Braden BC, Li Y, Smith-Gill SJ, Mariuzza RA, Biochemistry 1998 Jun 2;37(22):7981-91. PMID: 9609690

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