gaba +R0-R1-R6 gabaGABABR +R1-R2+R4 gabaGABABRGi +R2-R3+R6 gabaGABABRGibg +R3-R4 GABABR -R1-R5 GABABRGi +R5-R6 Gi -R2-R5+R9 GiaGDP +R8-R9 GiaGTP +R3-R7 GiaGTPRGS +R7-R8 Gibg +R4-R9-R10-R11-R12-R13-R14 GIRK -R10 GIRKGibg +R10-R11 GIRKGibg2 +R11-R12 GIRKGibg3 +R12-R13 GIRKGibg4 +R13 RGS -R7+R8 VGCC -R14 VGCCGibg +R14