Mechanical Unfolding Pathway of the High-Potential Iron-Sulfur Protein Revealed by Single-Molecule Atomic Force Microscopy: Toward a General Unfolding Mechanism for Iron-sulfur Proteins.

Abstract excerpt

High-potential iron-sulfur proteins (HiPIPs) are an important class of metalloproteins with a [4Fe-4S] cluster coordinated by four cysteine residues. Distinct from other iron-sulfur proteins, the cluster in HiPIP has a high reduction potential, making it an essential electron carrier in bacterial photosynthesis. Here, we combined single-molecule atomic force microscopy and protein engineering techniques to...

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