Table 5.

Properties conferred by the “first subunit class” of the receptor

isoform	α1	α2	α3	α4	α5	α6
GABA EC50	Medium	Medium	Very high	Medium	Medium	Very low
Desensitization	Complete and moderately fast	Complete and moderately fast	Slow and incomplete	Fast and complete	Slow and incomplete	Medium speed and complete
Refractory period	Long	Medium	Medium	Short	Short	Very long
Deactivation	Moderately fast	Moderately slow	Very slow	Very fast	Fast	Slow
Activation	Fast	Moderately fast	Slow	Medium	Moderately slow	Medium