Table 2. Effect of EB on RNase III–R1.1 RNA complex stability.

	–EB	+EB (40 µM)
Kd (nM)	14.4 ± 6.9	20.7 ± 0.9

Gel shift assays used 5′-³²P-labeled R1.1 RNA (see Materials and Methods). The reported values are the averages of two experiments, along with the maximum error.