Abstract
The recovery of hapten-binding activity by a mixture of H and L polypeptide chains of the whole γG-immunoglobulin fraction from rabbit anti-p-azobenzenearsonate (Rp) serum is almost as great as that by a mixture of H and L chains from specifically purified Rp antibody. Random combination among the H and L chains from the anti-Rp antibodies and the normal γG-immunoglobulin present would result in little recovery of hapten-binding activity. This suggests a preferential recombination of H and L chains from antibody. Mixtures of H or L chains from anti-p-azobenzoate (Xp) antibody and the complementary chains from antibody-depleted γG-immunoglobulin show little hapten-binding. When anti-Xp antibody H chains are added to mixtures of one equivalent of anti-Xp L chain and increasing amounts of non-specific L chain, the hapten-binding by the mixtures decreases, but not as much as if the H chains combined with the L chains randomly. Hapten was not present during these recombination procedures. These data indicate that in the cases of anti-Xp and of anti-Rp antibodies, there is a selective combination between those H and L chains which give effective hapten binding regions.
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Selected References
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