( a ) in control experiments , gtp stimulated the enzyme partially and without a noticeable lag , while gtp analogues stimulated to varying degrees ( gtp gamma s approximately gmp-p ( nh ) p greater than gmp-p ( ch2 ) p greater than or equal to gtp ) and with lag periods that varied with the nucleotide ( gmp-p ( nh ) p approximately gmp-p ( ch2 ) p greater than gtp gamma s ) .
C0018353
gtp
C0079469
gtp gamma s