Table 2.
Changes observed in GABA-induced responses and butanol modulation of GABA-induced responses in selected single cysteine GABAAR mutants after butyl methanethiosulfonate (BMTS) labeling. The color indicates the color of the amino acid in the model representations.
| GABAA receptor | GABA responses1 | Butanol effect2 | |
|---|---|---|---|
|
| |||
| BMTS | BMTS + GABA | ||
| α1β2γ2 Cys-less (control) | No change | No change | No change/ Small decrease |
|
|
Decrease | NT3 | No change |
|
|
No change | Increase | No change |
|
|
No net change | No net change | NT |
|
|
Increase | NT | Decrease |
|
|
Increase | NT | No change |
|
|
No net change | Increase | Decrease |
|
|
No change | No change | NT |
|
|
Decrease | NT | Increase4 |
EC10GABA
Butanol modulation of EC10 GABA
Not tested
Also changes in the flunitrazepam effect