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71865
Ionotropic receptors
Description
Biochemistry (Cellular Neurobiology) Mind Map on Ionotropic receptors, created by zambrella on 05/05/2013.
No tags specified
biochemistry
cellular neurobiology
biochemistry
cellular neurobiology
Mind Map by
zambrella
, updated more than 1 year ago
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Created by
zambrella
over 11 years ago
31
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Resource summary
Ionotropic receptors
Examples
Nicotinic acetylcholine receptors
Glutamate receptors
GABA receptors
Features
Directly coupled to ion channels
Activated by neurotransmitters
Fast response
Results in opening of pore
Pentameric structure
1. Neurotransmitter binds
2. Channel opens
3. Ions flow across membrane
Metabotropic receptors
Not directly coupled to their ion channels
Transduce the signal via G proteins
1. Neurotransmitter binds
2. G protein is activated
3. G-protein subunits or intracellular messengers modulate ion channels
4. Ion channel opens
5. Ions flow across membrane
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