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A gallery of Au11 cluster-labeled fibrinogen molecules. Occasional monoamino Au11 cluster structures contain two Au11 clusters (e.g., molecules 4 and 12). Arrows indicate Au11 cluster locations. Arrowheads (molecules 1 and 2) indicate a filamentous connection between the Au11 cluster and the D domain. A caricature of each molecule is provided for clarity. (Bar = 20 nm.)
