5.6.1.5 ATP increasing ATP beyond the optimal range is inhibitory 688447 5.6.1.5 casein 1000fold molar excess, 5fold stimulation of ATPase activity 656771 5.6.1.5 GFPssrA green fluoresence protein with C-terminus fused to the 11 residue peptide ssrA, 5fold stimulation of ATPase activity 656771 5.6.1.5 additional information Rip-1 does not alter ATPase activity 696122 5.6.1.5 polyubiquitin modest but reproducible stimulatory effect on 26S proteasome ATPase activity 696122 5.6.1.5 RNA synthetic and mRNA-type RNAs stimulates activity efficiently 210599 5.6.1.5 Ubp6 polyubiquitin-bound Ubp6 stimulates the enzyme activity 751689