consistent with these structural properties , smg p21 binds specifically [ 35s ] guanosine 5'- ( 3-o-thio ) triphosphate ( gtp gamma s ) , gtp , and gdp with a kd value for gtp gamma s of about 40 nm . smg p21 binds about 0.7 mol of gtp gamma s/mol of protein .
C0018353
gtp
C0079469
gtp gamma s