1QFW:
reference: Crystal structure of a ternary complex between human chorionic gonadotropin (hCG) and two Fv fragments specific for the alpha and beta-subunits., Tegoni M, Spinelli S, Verhoeyen M, Davis P, Cambillau C, J Mol Biol 1999 Jun 25;289(5):1375-85. PMID: 10373373

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