Structure of the bacterial flagellar hook and implication for the molecular universal joint mechanism

Article Abstract:

A partial atomic model of the flagellar hook obtained by X-ray crystallography of FlgE31, a major proteolytic fragment of FlgE, is reported. It reveals intricate molecular interactions and a plausible switching mechanism for the hook to be flexible in bending but rigid against twisting for its universal joint function.

Japan, Analysis, X-ray crystallography, Proteolysis

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Complete atomic model of bacterial flagellar filament by electron cryomicroscopy

Article Abstract:

A complete atomic model of the R-type filament by electron crymicroscopy is described. The atomic model reveals intricate molecular packing and an alpha-helical coiled coil formed by the terminal chains in the inner core of the filament.

United States, Electronic Coil, Transformer, and Other Inductor Manufacturing, Electrical Coil Windings, Electronic structure, Atomic structure, Electric coils

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Structure of the bacterial flagellar protofilament and implications for a switch for supercoiling

Article Abstract:

Research is presented concerning the supercoiling which is produced by the 11 protofilaments which form the bacterial flagellar filament flagellin. The crystal structure of a Salmonella flagellin is discussed.

Cover Story, Physiological aspects, Salmonella, Microorganisms, Cell motility

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