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Summary of kinetic data of S protein RBD of BA.2.12.1 and BA.4/BA.5 binding with heparin.
| ka (M−1s−1) | kd (s−1) | KD (M) | |
|---|---|---|---|
| BA.2.12.1 |
3.4 × 104 ( ± 270) * |
4.7 × 10−3 ( ± 2.1 × 10−5) * |
1.4 × 10−7 ( ± 5.8 × 10−9) ** |
| BA.4/BA.5 |
3.4 × 104 ( ± 630) |
7.9 × 10−3 ( ± 8.7 × 10−5) |
2.3 × 10−7 ( ± 2.6 × 10−8) |
* The data with (±) in parentheses are the standard deviations (SD) from global fitting of five injections. ** Standard deviation (SD) on triplicated experiments.
