Antiporter

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Antiporter

A transporter that uses the energy stored in the electrochemical gradient of one solute to drive the movement of another solute 'uphill' against its electrochemical gradient. The tight coupling of the transport of two different solutes allows the protein to harvest the free energy released from the 'downhill' movement to power the movement of the other solute up its electrochemical gradient in the opposite direction. Also see symporter.

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