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. Author manuscript; available in PMC: 2013 Jun 5.
Published in final edited form as: Biochemistry. 2012 Mar 9;51(11):2331–2347. doi: 10.1021/bi201657k

Table 3.

Representative table of UV thermal denaturation data of ligand / HIV TAR RNA complexes at rdr = 1 and 2 (rdr = ratio of neomycin dimer to HIV TAR RNA conc.). Buffer conditions: 100 mM KCl, 10 mM SC, 0.5 mM EDTA, pH 6.8. [HIV TAR RNA] = 1 μM/strand. [Neomycin dimer] = 1 and 2 μM. [Neomycin] = 1 and 2 μM.

Neomycin dimer Tm ΔTm (at rdr = 1) ΔΔTm (rdr = 2-rdr=1)
HIV 1 TAR RNA 68.9 NA NA
DPA51 79.1 10.2 2.8
DPA52 78.2 9.3 2.5
DPA65 78.2 9.3 2.1
DPA53 78.5 9.6 2.9
DPA54 77.1 8.2 2.2
DPA55 76.4 7.6 2.8
DPA56 74.9 6.1 3.2
DPA58 74.3 5.4 2.9
DPA60 72.1 3.3 3.0
Neomycin 69.1 0.2 0.4