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Table 1 Affinity binding and rate constants of Ilantide, interleukin 1β and interleukin 1 receptor antagonist to interleukin 1 receptor type I a

From: Anti-inflammatory properties of a novel peptide interleukin 1 receptor antagonist

Ligands

ka(M-1s-1)

kd(s-1)

Kd(M)

Ilantide

1.84 ± 0.20 × 105

2.69 ± 0.58 × 10-3

2.75 × 10-8 ± 7 .86 × 10-9

IL-1Ra

1.47 ± 5.53 × 105

3.62 ± 0.65 × 10-3

4.80 × 10-8 ± 1.32 × 10-8

IL-1β

8.56 ± 2.79 × 105

7.53 ± 2.03 × 10-4

1.71 × 10-7 ± 7.07 × 10-9

  1. aIL-1β, interleukin 1β; IL-1Ra, interleukin 1 receptor antagonist.