Terminal Mismatch ΔH° (kcal/mol)

5'––>3'
AX
UY
3'<––5'

(X) Y–> A C G U
(A) –3.9 +2.0 –3.5 +2.0
(C) –2.3 +6.0 –2.3 –0.3
(G) –3.1 +2.0 –3.5 +2.0
(U) –2.3 +4.6 –2.3 –1.7
5'––>3'
CX
GY
3'<––5'
(X) Y–> A C G U
(A) –9.1 –5.6 –5.6 –5.6
(C) –5.7 –3.4 –5.7 –2.7
(G) –8.2 –5.6 –9.2 –5.6
(U) –5.7 –5.3 –5.7 –8.6
5'––>3'
GX
CY
3'<––5'
(X) Y–> A C G U
(A) –5.2 –4.0 –5.6 –4.0
(C) –7.2 +0.5 –7.2 –4.2
(G) –7.1 –4.0 –6.2 –4.0
(U) –7.2 –0.3 –7.2 –5.0
5'––>3'
GX
UY
3'<––5'
(X) Y–> A C G U
(A) –3.4 +2.0 –3.5 +2.0
(C) –2.3 +6.0 –2.3 –0.3
(G) –0.6 +2.0 –3.5 +2.0
(U) –2.3 +4.6 –2.3 +1.6
5'––>3'
UX
AY
3'<––5'
(X) Y–> A C G U
(A) –4.0 –6.3 –8.9 –6.3
(C) –4.3 –5.1 –4.3 –1.8
(G) –3.8 –6.3 –8.9 –6.3
(U) –4.3 –1.4 –4.3 +1.4
5'––>3'
UX
GY
3'<––5'
(X) Y–> A C G U
(A) –4.8 –6.3 –8.9 –6.3
(C) –4.3 –5.1 –4.3 –1.8
(G) +3.1 –6.3 –1.5 –6.3
(U) –4.3 –1.4 –4.3 +1.4