Skip to main content
. 2016 Aug 29;45(2):875–885. doi: 10.1093/nar/gkw747

Table 1. Hydrogen exchange rate constants (kex, s−1) of the imino protons of the WT and mutant pri-miR156a constructs in 90% H2O/ 10% D2O buffer containing 10 mM TRIS-d11, 50 mM NaCl at 16°C (pH = 8.25) and 23°C (pH = 8.03).

Temp Imino WT A9C A9AC A10G A10CG
16°C G94 0.7 ± 0.4 0.7 ± 0.4 0.8 ± 0.4 0.9 ± 0.5 0.8 ± 0.4
U95 3.8 ± 0.3 3.3 ± 0.2 3.4 ± 0.2 4.3 ± 0.3 3.4 ± 0.4
G17 0.3 ± 0.2 0.4 ± 0.2 0.4 ± 0.2 0.3 ± 0.2 0.4 ± 0.3
U16 7.5 ± 0.4 5.1 ± 0.4 5.9 ± 0.2 8.5 ± 0.4 4.2 ± 0.5
G98 5.0 ± 0.6 3.8 ± 0.4 4.0 ± 0.3 4.4 ± 0.3 3.7 ± 0.5
U100 n.d.a n.d. 198 ± 8 249 ± 64 194 ± 38
U101 89.1 ± 4.9 78.5 ± 5.3 13.4 ± 0.4 17.3 ± 0.7 13.0 ± 0.8
G11 13.2 ± 0.8 8.6 ± 0.7 4.9 ± 0.5 0.6 ± 0.4 0.9 ± 0.5
G10 b 5.2 ± 0.7 1.0 ± 0.5
G104 26.6 ± 0.9 12.9 ± 1.4
G105 6.8 ± 0.6
23°C G94 1.0 ± 0.2 1.0 ± 0.4 1.4 ± 0.4 1.5 ± 1.0 0.9 ± 0.4d
U95 4.8 ± 0.3 4.5 ± 0.6 7.2 ± 0.5 8.9 ± 0.9 5.8 ± 0.7
G17 0.4 ± 0.2 0.5 ± 0.2 0.4 ± 0.3 0.5 ± 0.4 0.5 ± 0.2
U16 11.1 ± 0.4 7.8 ± 0.7 13.5 ± 0.6 19.0 ± 0.9 6.6 ± 0.9
G98 7.2 ± 0.5 5.4 ± 0.8 8.7 ± 0.5 10.0 ± 0.9 6.7 ± 0.9
U100 n.a.c n.a. n.d. n.d. n.d.
U101 n.d. n.d. 39.8 ± 1.7 43.5 ± 1.2 26.7 ± 1.2
G11 32.5 ± 3.4 17.8 ± 2.8 11.1 ± 1.2 1.2 ± 0.7 1.0 ± 0.6
G10 11.2 ± 0.8 0.9 ± 0.4d
G104 86.8 ± 12.4 16.1 ± 1.6
G105 15.0 ± 1.4

aNot determined because of severe line-broadening.

bNo imino proton resonance.

cNot available because the imino proton resonance disappeared.

dThe G10 and G94 resonances overlapped with each other.