Graham Johnson

Pseudomonas    |    Graham Johnson

A sequence depicting Pseudomonas infection of lung epithelial cells.

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Elongation Factor Tu    |    Graham Johnson

An animation highlighting the structural domains of elongation factor Tu and the surface involved in tRNA binding. The conformational change in the switch helix that occurs as a result of GTP hydrolysis results in the release of the tRNA.

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ATP Synthase    |    Graham Johnson

This animation describes the transfer of chemiosmotic energy into rotational energy, and ultimately into the chemical bond energy of ATP.

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Myosin Mechanism    |    Graham Johnson

This animation describes the translation of chemical bond energy of ATP into the sliding motion of thick/thin filaments in our muscle fibers.

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Kinesin Mechanism    |    Graham Johnson

Kinesin walking along a microtubule protofilament demonstrating how energy exchanges combine with binding events to create forward motion.

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