k+-atp channel activity was stimulated by adenosine 5'-diphosphate ( adp ) , guanosine 5'-triphosphate ( gtp ) , guanosine 5'-diphosphate ( gdp ) , guanosine 5'-o- ( 3-thiotriphosphate ) ( gtp gamma s ) and guanosine 5'-o- ( 2-thiodiphosphate ) ( gdp beta s ) when millimolar mg2+ bathed the internal surface of the patch membrane .
C0079469
guanosine
C0018353
gtp