Table 1: Comparison of the Parameters of the Time-Resolved Relaxation Experiments with SR Vesicles and Membrane Frag-ments
| preparation |
τ1 |
F1 |
τ2 |
F2 |
| caged H+
|
|
|
|
|
| vesicles |
1.4±0.1 ms |
0.030±0.001 |
31.9±0.1 ms |
0.052±0.001 |
| fragments |
2.5±0.1 ms |
0.025±0.001 |
34.2±0.6 ms |
0.002±0.001 |
| caged Ca2+
|
|
|
|
|
| vesicles |
44.3±2.6 ms |
0.021±0.001 |
302.6±6.7 ms |
0.041±0.001 |
| fragments |
41.9±5.0 ms |
0.005±0.001 |
272.6±8.0 ms |
0.020±0.001 |
| caged ATP |
|
|
|
|
| vesicles |
101.5±3.2 ms |
0.083±0.001 |
5.4±0.03 s |
0.200±0.001 |
| fragments |
105.0±2.9 ms |
0.055±0.001 |
>6.0 s (n.s.) |
0.004 (n.s.) |