Table 4.
Rates of association of CKIIp with Ca2+-CaM in the presence of Ng
| Ca2+ (μM) | Tyrosine fluorescence + Ng |
Inter-FRET + Ng |
Intra-FRET + Ng |
|||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Rate 1 (s−1) | Amp 1 | Rate 2 (s−1) | Amp 2 | Rate 1 (s−1) | Amp 1 | Rate 2 (s−1) | Amp 2 | Rate (s−1) | Amp | |
| 0.26 | 0.5 ± 0.1 | 17 | 0.2 ± 0.1 | 54 | 0.7 ± 0.2 | 33 | 0.19 ± 0.1 | 56 | 0.5 ± 0.1 | 71 |
| 0.50 | 1.2 ± 0.1 | 41 | 0.4 ± 0.1 | 52 | 3.0 ± 0.1 | 25 | 0.68 ± 0.1 | 70 | 1.5 ± 0.1 | 86 |
| 1.10 | 4.7 ± 0.2 | 45 | 1.3 ± 0.1 | 56 | 9.6 ± 0.3 | 26 | 2.3 ± 0.1 | 72 | 4.5 ± 0.2 | 95 |
| 2.19 | 15.3 ± 0.5 | 61 | 4.3 ± 0.1 | 40 | 51 ± 2 | 22 | 9.0 ± 0.1 | 76 | 17.5 ± 0.5 | 100 |
| 3.26 | 30.9 ± 1.4 | 72 | 11.1 ± 0.2 | 28 | 128 ± 10 | 28 | 20.3 ± 0.2 | 74 | 32.9 ± 1.4 | 93 |
| 4.56 | 59.1 ± 5.8 | 57 | 21.7 ± 0.4 | 40 | 246 ± 18 | 30 | 33.3 ± 0.4 | 71 | 48.0 ± 1.9 | 94 |