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. 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

Figure 4. Purity of RNase R Mutants.

Figure 4

One μg of purified wild-type RNase R, RNase R R572K, RNase R H456N H565T R572K and RNase II were resolved by 10% SDS-PAGE and visualized by Coomassie blue staining. The molecular masses, in kDa, of protein standards (M) are indicated on the left. Pure RNase II was obtained from Dr. A. Malhotra (University of Miami, Miami, Florida).