2DRD
Crystal structure of a multidrug transporter reveal a functionally rotating mechanism
X-RAY DIFFRACTION
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | VAPOR DIFFUSION, SITTING DROP | 6.1 | PEG4000, PH 6.1, VAPOR DIFFUSION, SITTING DROP | |
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 3.55 | 65.39 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 225.801 | α = 90 |
| b = 134.466 | β = 98.17 |
| c = 162.115 | γ = 90 |
| Symmetry | |
|---|---|
| Space Group | C 1 2 1 |
Diffraction
| Diffraction Experiment | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Crystal ID | Scattering Type | Data Collection Temperature | Detector | Detector Type | Details | Collection Date | Monochromator | Protocol | |||||
| 1 | 1 | x-ray | 100 | IMAGE PLATE | MACSCIENCE | 2003-03-13 | M | SINGLE WAVELENGTH | ||||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | SYNCHROTRON | SPRING-8 BEAMLINE BL44XU | 0.9000 | SPring-8 | BL44XU |
Data Collection
| Overall | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge I (Observed) | Net I Over Average Sigma (I) | Redundancy | Number Reflections (All) | Number Reflections (Observed) | Observed Criterion Sigma (F) | Observed Criterion Sigma (I) | B (Isotropic) From Wilson Plot | ||||||||
| 1 | 3.1 | 50 | 97.9 | 0.085 | 17.6 | 9.1 | 84986 | ||||||||||||
| Highest Resolution Shell | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | |||||||||||
| 3.1 | 3.21 | 96.8 | 0.306 | 2.6 | 5.5 | ||||||||||||||
Refinement
| Statistics | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Diffraction ID | Structure Solution Method | Cross Validation method | Resolution (High) | Resolution (Low) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Factor (Observed) | R-Work | R-Free | R-Free Selection Details | Mean Isotropic B | |||||||
| X-RAY DIFFRACTION | DIFFERENCE FOURIER | THROUGHOUT | 3.1 | 10 | 78078 | 4181 | 97.45 | 0.257 | 0.255 | 0.31 | RANDOM | 83.847 | |||||||
| Temperature Factor Modeling | ||||||
|---|---|---|---|---|---|---|
| Anisotropic B[1][1] | Anisotropic B[1][2] | Anisotropic B[1][3] | Anisotropic B[2][2] | Anisotropic B[2][3] | Anisotropic B[3][3] | |
| 7.7 | 5.56 | -5.09 | -1.03 | |||
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| r_dihedral_angle_2_deg | 44.55 |
| r_dihedral_angle_3_deg | 23.074 |
| r_dihedral_angle_4_deg | 21.282 |
| r_dihedral_angle_1_deg | 8.517 |
| r_scangle_it | 4.665 |
| r_scbond_it | 3.007 |
| r_angle_refined_deg | 2.784 |
| r_mcangle_it | 2.197 |
| r_mcbond_it | 1.269 |
| r_nbd_refined | 0.367 |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 23322 |
| Nucleic Acid Atoms | |
| Solvent Atoms | |
| Heterogen Atoms | 33 |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| FFTBIG | model building |
| REFMAC | refinement |
| HKL-2000 | data reduction |
| HKL-2000 | data scaling |
| FFTBIG | phasing |
