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In this exchange of letters Heidelberger and Pappenheimer discussed hypotheses and evidence regarding the location of the sites at which antibody molecules (later shown to be Y-shaped) bind to antigens. One hypothesis, proposed by the preeminent physical chemist Linus Pauling and discussed in this letter, held that these binding sites were located at the ends of a symmetrical molecule.
Location:
Box: 5. Folder: 6
Rights:
Reproduced with permission of John R. Pappenheimer.