Table 2.
Kinetic constants of interactions between SARS-CoV-2 spike protein RBD and immobilized heparin or heparan sulfate.
ka (1/Ms)a | kd (1/s)a | KD (M) | |
---|---|---|---|
Heparin | 8.09 × 103 ± 151 | 8.49 × 104 ± 1.66 × 10−5 | 1.05 × 10−7 |
Bat lung HS | 974 ± 43.1 | 6.85 × 104 ± 1.76 × 10−5 | 7.03 × 10−7 |
Human lung HS | 5.71 × 103 ± 174 | 1.11 × 103 ± 2.20 × 10−5 | 1.94 × 10−7 |
The standard deviation was from the global fitting (n = 3).