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Protein A - esonn

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Molecular machines<br />

⇒ Linear motors<br />

⇒ Rotational motors<br />

⇒ Energy conversion<br />

⇒ <strong>Protein</strong> factories<br />

⇒ Transport systems<br />

⇒ Channels<br />

Bacterial flagella<br />

Energy conversion: Electro-chemical >> mechanical<br />

Number of H + per revolution: ~ 1000 (~ 6000 kT)<br />

Maximum rotation rate: 300 Hz (H + ) or 1700 Hz (Na + )<br />

Maximal speed:<br />

1 µm/s<br />

Diameter:<br />

50 nm<br />

38

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