Susan Gayda

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In the present study, we report the structure of the free and drug-bound Fab fragment of a high affinity anti-methotrexate antibody and perform a thermodynamic analysis of the binding process. The anti-methotrexate Fab fragment features a remarkably rigid tunnel-like binding site that extends into a water channel serving as a specialized route to move(More)
Unlike other known anti-fluorescein antibodies, the monoclonal antibody 43.1 is directed toward the fluorescein's carboxyl phenyl moiety. It demonstrates a very high affinity (KD ∼ 70 pM) and a fast association rate (kon ∼ 2 × 10(7) M(-1 ) s(-1) ). The three-dimensional structure of the Fab 43.1-fluorescein complex was resolved at 2.4 Å resolution. The(More)
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