Interactions of uranyl ion with cytochrome b₅ and its His39Ser variant as revealed by molecular simulation in combination with experimental methods.

Abstract excerpt

The biological toxicity of uranyl ion (UO (2) (2+) ) lies in interacting with proteins and disrupting their native functions. The structural and functional consequences of UO (2) (2+) interacting with cytochrome b (5) (cyt b (5)), a small membrane heme protein, and its heme axial ligand His39Ser variant, cyt b (5) H39S, were investigated both experimentally and theoretically. In experiments, although cyt b (5)...

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