Figure 5. PRORP2 is a monomer in solution.
A. Residue K42 in the PPR domain and active site residues of two adjacent in crystallo PRORPs (residues D421 and D422). B. Representative plot of 5 μM K42A PRORP2 cleaving 50 nM (nu)tRNAGly8:1 in single turnover cleavage assays under standard reaction conditions. C. Analytical Ultracentrifugation experiment with 1 and 10 mg/ml PRORP2.