intracellular application of the gtp analogue , guanosine 5 ' o-3-thiotriphosphate ( gtp gamma s ) mimicked this excitatory action of bk : the frequency of inward currents increased from 5.0 +/- 0.8 s-1 , 30 s after the start of recording to 6.9 +/- 1.1 s-1 at 5 min to a maximum of 18.5 +/- 2.2 s-1 at 15 min ( n = 16 ) .
C0018353
gtp
C0079469
gtp gamma s