receptors and transporters

Richard Norman rsnorman at mediaone.net
Sun Oct 17 20:53:42 EST 1999


Simply put, a receptor is a protein in the membrane that, in the presence
(technically, the binding) of a transmitter (more generally, a ligand),
initiates some sort of response.  A transporter is a protein in the membrane
that responds by moving (transporting) it across the membrane.

Eva Pietrzak wrote in message ...
>Could anyone, please, explain what is a difference between receptors and
transporters.
>I have lost intimate contact with neuroscience some years ago, and recently
>I've realised that some good old receptors (dopamine, serotonin and others)
>became transporters. Is it a new, fancy name for old receptor, or does it
>denotes some difference in function?
>
>Thank you
>Eva
>
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