Table 1 Isothermal titration calorimetry of protein–RNA interactions

From: Structural basis for terminal loop recognition and stimulation of pri-miRNA-18a processing by hnRNP A1

Binding partners

N (protein:RNA)

KD (10−6 M)

H (104 cal/mol)

S (cal/mol/deg)

RRM1 + 7-mer (AGUAGAU)

1.01

20.4 ± 1.06

−1.99 ± 0.07

−45.2

RRM2 + 7-mer (AGUAGAU)

1.09

6.8 ± 0.14

−1.64 ± 0.006

−31.6

UP1 + 7-mer (AGUAGAU)

0.75

3.4 ± 0.12

−3.53 ± 0.04

−93.4

UP1 + 17-mer(A35C)

1.07

3.1 ± 0.19

−1.98 ± 0.03

−41.2

UP1 + pri-mir-18a

1.35

0.1477 ± 0.0089

−3.52 ± 0.02

−86.8

UP1 + 12-mer (AGUAGAUUAGCA)

1.01

0.0155 ± 0.0034

−3.81 ± 0.02

−92.0

UP1 + 12-mer-mut1 (AGUUUAUUAGCA)

1.06

0.1541 ± 0.011

−2.97 ± 0.02

−68.6

UP1 + 12-mer-mut2 (AGUAGAUUUUCA)

1.08

0.330 ± 0.0265

−2.45 ± 0.02

−52.5

UP1 + 12-mer-mut3 (UUUAGAUUAGCA)

0.98

0.00833 ± 0.00135

−4.10 ± 0.02

−101

UP1 + 10-mer (UAGAUUAGCA)

1.07

0.01912 ± 0.00673

−3.94 ± 0.04

−96.8

UP1(R75E/R88A) + 12-mer (AGUAGAUUAGCA)

1.08

0.0190 ± 0.00205

−3.84 ± 0.02

−93.5

UP1(R75E/R88E) + 12-mer (AGUAGAUUAGCA)

1.1

0.0401 ± 0.0044

−3.68 ± 0.02

−89.5