Table 1.
Amplitude of ATP-induced distance changes in α-ddm micelles.
| Mutant | Location | Experimental Distance Rav (Å), detergent | Calculated Distance RCα-Cα (Å), MsbA, | |||||
|---|---|---|---|---|---|---|---|---|
| Apo | ADP-Vi | ΔRav | Open Apo | AMPPNP | Δ RCα-Cα | Closed Apo | ||
| 43 | TM1 | 35±2.5 | 38±3 | −3 | 33 | 31 | 2 | 27 |
| 42 | 36±10 | 36±12 | 0 | 31 | 28 | 3 | 32 | |
| 28 | >70 | 53±4.25 | > 17 | 64 | 43 | 21 | 52 | |
| 24 | >70 | 55±1.55 | > 15 | 71 | 44 | 27 | 52 | |
| 104† | TM2 | 55±4.5 | 28±2.75 | 27 | 67 | 29 | 38 | 36 |
| 106 † | >70 | 47±2 | >23 | 76 | 33 | 43 | 42 | |
| 110 | >70 | 50±1.75 | >20 | 77 | 37 | 40 | 44 | |
| 115 | IH1 | 51±3.5 | 32±1 | 19 | 62 | 31 | 31 | 28 |
| 116 | 57±6.5 | 26±6.7 | 31 | 59 | 24 | 35 | 26 | |
| 118 | 45±6 | 41±3 | 4 | 51 | 29 | 22 | 17 | |
| 120 | 47±10.5 | 31±2 | 16 | 47 | 18 | 29 | 8 | |
| 121 | TM3 | 51±10 | 51 | 13 | 38 | 12 | ||
| 139 | 62±17.5 | 30±1.25 | 32 | 51 | 26 | 25 | 30 | |
| 141 † | 33±5.5 | 20±1.5 | 13 | 40 | 18 | 22 | 24 | |
| 142* | 54±7 | 30±7.5 | 24 | 45 | 21 | 24 | 30 | |
| 143* | 54±5.6 | 26±1.5 | 28 | 47 | 28 | 19 | 33 | |
| 144† | 35±2.5 | 20±2.25 | 15 | 41 | 25 | 16 | 27 | |
| 146 | 42±3.75 | 37±3.5 | 5 | 48 | 27 | 21 | 37 | |
| 158 | 36±1.5 | 51±7.5 | −15 | 41 | 46 | −5 | 43 | |
| 162 | EL2 | 44±3.25 | 51±6.5 | −7 | 39 | 53 | −14 | 47 |
| 166 | 51±6.5 | >65 | > −14 | 35 | 54 | −19 | 49 | |
| 167 | TM4 | 37±6.5 | 51±11 | −14 | 34 | 48 | −14 | 47 |
| 183 | 43±13.25 | 53±4 | −10 | 38 | 44 | −6 | 42 | |
| 187 | 46±6.25 | 51±6 | −5 | 41 | 41 | 0 | 39 | |
| 394 * | NBD | >70 | 55±4 | >15 | 82 | 48 | 34 | 31 |
| 482 | 60±0.5 | 73 | 22 | 51 | 52 | |||
| 561 | >70 | 42±1.5 | >28 | 86 | 36 | 50 | 37 | |
analyzed by Gaussian fit, otherwise by Tikhonov fit.
bimodal distance distributions
cytoplasm
extracellular