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. Author manuscript; available in PMC: 2014 Apr 18.
Published in final edited form as: J Phys Chem B. 2013 Apr 4;117(15):4014–4027. doi: 10.1021/jp400530e

Table 3.

Conformational frequency of the RNA simulations determined by cluster analysis.

rGACC Conformational Frequency (%)
Simulation ID Intercalated NMR Minor NMR Major Inverted

RNA-NPT1 16.0 (0.3) 12.9 (0.7) 9.2 (0.4) 8.4 (0.1)
RNA-3982 6.2 (0.4) 3.5 (0.3) 3.1 (0.1) 7.1 (0.5)
RNA-REMD-GB -- -- -- -- -- -- 92.9 (0.7)
RNA-REMD-1 24.5 (0.9) 15.9 (0.7) 11.8 (0.6) 7.6 (0.0)
RNA-REMD-2 24.2 (1.2) 10.5 (1.0) 8.8 (0.5) 9.9 (0.1)
RNA-REMD-3 18.8 (0.9) 16.3 (1.0) 13.1 (0.5) 7.3 (0.1)
RNA-rREMD-S 29.4 (0.1) 28.3 (1.1) 12.0 (0.2) -- --
RNA-rREMD-1 18.7 (0.3) 15.5 (0.7) 13.1 (0.4) 11.3 (0.1)
RNA-rREMD-2 18.5 (0.1) 15.3 (1.0) 13.6 (0.1) 10.9 (0.0)
RNA-rREMD-3 18.7 (0.5) 14.6 (0.7) 14.0 (0.4) 10.2 (0.1)

The four conformational categories are structurally depicted in Figure 6. Data shown is for the 277 K temperature level, except for the RNA-NPT and RNA-398 simulations, for which the temperature is indicated (below). Data at 299 K and 328 K are given in Table S2. An error estimate is given in parentheses which corresponds to the standard deviation of five independent clustering calculations.1 Simulation performed at 300 K.2 Simulation performed at 398 K. The “-- --” indicates that the conformation was not observed in the top fifteen most populated clusters.