Ligand Gated Ion Channels Flashcards
1
Q
Ionotropic receptors are ?
A
Ligand gated ion channel
2
Q
Timescale of lg ion channel
A
Millisecond
3
Q
How many binding sites are there for LG ion channels? What binds?
A
2, ACh
4
Q
How many subunits are in the LG ion channel receptor?
A
5
5
Q
Each subunit contains?
A
Four membrane-spanning alpha helices
6
Q
It each subunit spans the membrane four times the channel compromises no fewer than how many
A
20
7
Q
What type of structure does LG ion channel receptors have?
A
Pentarimic structure
8
Q
What is nAChR?
A
Nicotonic acetylcholine receptor
