Structure of the Anti-C60 Fullerene Antibody Fab Fragment: Structural Determinants of Fullerene Binding
Autor: | Em, Osipov, Od, Hendrickson, Tv, Tikhonova, Av, Zherdev, On, Solopova, Pg, Sveshnikov, Bb, Dzantiev, Vladimir Popov |
---|---|
Rok vydání: | 2019 |
Předmět: | |
Zdroj: | Acta Naturae Europe PubMed Central |
ISSN: | 2075-8251 |
Popis: | The structure of the anti-C60 fullerene antibody Fab fragment (FabC60) was solved by X-ray crystallography. The computer-aided docking of C60 into the antigen-binding pocket of FabC60 showed that binding of C60 to FabC60 is governed by the enthalpy and entropy; namely, by π-π stacking interactions with aromatic residues of the antigen-binding site and reduction of the solvent-accessible area of the hydrophobic surface of C60. A fragment of the mobile CDR H3 loop located on the surface of FabC60 interferes with C60 binding in the antigen-binding site, thereby resulting in low antibody affinity for C60. The structure of apo-FabC60 has been deposited with pdbid 6H3H. |
Databáze: | OpenAIRE |
Externí odkaz: |