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. 2016 Apr 4;113(16):E2277–E2285. doi: 10.1073/pnas.1600279113

Table S1.

Calculation of free energy (37 °C) for matched and mismatched duplexes with dangling ends by melting temperature

Entry Primer/template Tm, °C* ΔGVH°, kcal/mol ΔGfit°, kcal/mol ΔGavg°, kcal/mol ΔΔG°, kcal/mol
Primer T/DNAt
1 ATATCACAT 27.1 ± 0.5 −6.8 ± 0.4 −6.9 ± 0.2 −6.9 ± 0.4
TATAGTGTATGTCT
2 ATATCACATA 30.3 ± 0.1 −7.8 ± 0.1 −7.5 ± 0.2 −7.7 ± 0.2 −0.8 ± 0.5
TATAGTGTATGTCT
3 ATATCACATT 27.2 ± 0.4 −7.2 ± 0.2 −6.8 ± 0.2 −7.0 ± 0.3 −0.1 ± 0.5
TATAGTGTATGTCT
Primer T/DNAg
4 ATATCACAT 29.5 ± 0.3 −7.7 ± 0.2 −7.3 ± 0.2 −7.5 ± 0.3
TATAGTGTAGTTCT
5 ATATCACATC 35.8 ± 0.2 −8.8 ± 0.0 −8.7 ± 0.2 −8.7 ± 0.2 −1.2 ± 0.3
TATAGTGTAGTTCT
6 ATATCACATT 28.4 ± 0.1 −7.6 ± 0.1 −7.1 ± 0.2 −7.4 ± 0.2 0.1 ± 0.3
TATAGTGTAGTTCT
Primer A/DNAa
7 ATATCACGA 33.8 ± 0.4 −8.6 ± 0.0 −8.1 ± 0.2 −8.4 ± 0.2
TATAGTGCTAGGCT
8 ATATCACGAT 37.4 ± 0.6 −9.0 ± 0.1 −9.0 ± 0.2 −9.0 ± 0.2 −0.7 ± 0.3
TATAGTGCTAGGCT
9 ATATCACGAA 32.2 ± 0.5 −8.3 ± 0.1 −7.9 ± 0.1 −8.1 ± 0.1 0.3 ± 0.3
TATAGTGCTAGGCT
Primer A/DNAc
10 ATATCACGA 31.9 ± 0.5 −8.1 ± 0.2 −7.9 ± 0.2 −8.0 ± 0.3
TATAGTGCTCAACT
11 ATATCACGAG 41.6 ± 0.2 −9.7 ± 0.0 −9.9 ± 0.1 −9.8 ± 0.1 −1.8 ± 0.4
TATAGTGCTCAACT
12 ATATCACGAA 31.7 ± 0.4 −8.2 ± 0.1 −7.9 ± 0.1 −8.0 ± 0.2 0.0 ± 0.4
TATAGTGCTCAACT
Primer G/DNAt
13 ATATCACCG 36.3 ± 0.9 −8.4 ± 0.0 −8.6 ± 0.4 −8.5 ± 0.4
TATAGTGGCTATCT
14 ATATCACCGA 40.2 ± 0.2 −9.1 ± 0.4 −9.4 ± 0.3 −9.3 ± 0.5 −0.8 ± 0.6
TATAGTGGCTATCT
15 ATATCACCGG 37.0 ± 0.8 −8.7 ± 0.2 −9.1 ± 0.2 −8.9 ± 0.3 −0.4 ± 0.5
TATAGTGGCTATCT
*

Conditions: 50 mM Na•Pipes, pH 7.5, 8 mM MgCl2; 2 μM DNA strand concentration for Tm shown.

Average free energy from van’t Hoff calculations and MeltWin fits; error was propagated from the SDs of the two methods.