. Author manuscript; available in PMC: 2010 Apr 3.

Published in final edited form as: J Mol Biol. 2009 Feb 10;387(3):570–583. doi: 10.1016/j.jmb.2009.01.068

Table 3. RNA Binding to RNase R R572K.

The K_d was determined by a filter binding assay as described under “Materials and Methods”. Each value represents the mean of at least two experiments.

Substrate	Kd (nM)
	Wild-Type RNase R	RNase R R572K
A₁₇	0.8 ± 0.1	0.5 ± 0.1
A₄	1,200 ± 90	5,800 ± 1,500