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. Author manuscript; available in PMC: 2014 Aug 10.
Published in final edited form as: J Mol Biol. 2008 Jun 10;381(5):1133–1144. doi: 10.1016/j.jmb.2008.06.007

Table 2.

Temperature-dependent equilibrium constant Keq = [turn]/[sheet] for the sheet ↔ turn transition of I3α and N9α of penetratin in DMPC/DMPG membranes (8:7) at P/L = 1:15 and 1:30

T (K) P/L = 1:15 P/L = 1:30


I3α N9α I3α N9α
243 0.33 0.58 0.68 1.00
263 0.34 0.56 0.29 0.96
283 0.26 0.52 0.54 1.25
288 0.37 1.78
293 0.49 2.68 2.21 4.08
298 1.00 2.62 7.29 32.8
303 1.00 2.76 4.21 4.76
305 1.45 5.85
310 3.20 7.13 18.0 15.5