The crystal structure of light-driven chloride pump ClR (T102N) mutant at pH 4.5.
X-RAY DIFFRACTION
Starting Model(s)
| Initial Refinement Model(s) | |||
|---|---|---|---|
| Type | Source | Accession Code | Details |
| experimental model | PDB | 3X3B | PDB ENTRY 3X3B |
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | 4.5 | pH 4.5 | ||
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 2.44 | 49.64 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 103.252 | α = 90 |
| b = 49.447 | β = 131.89 |
| c = 78.402 | 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 | 93 | CCD | ADSC CCD | 2015-06-27 | M | SINGLE WAVELENGTH | ||||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | SYNCHROTRON | PAL/PLS BEAMLINE 5C | PAL/PLS | 5C | |
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 | 1.75 | 1.78 | 96.1 | 0.07 | 22.67 | 4.6 | 27489 | 2 | |||||||||||
| 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) | |||||||||||
| 1 | 1.75 | 1.78 | 81.9 | 0.72 | 2 | 2.4 | |||||||||||||
Refinement
| Statistics | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Diffraction ID | Structure Solution Method | Cross Validation method | Starting model | Resolution (High) | Resolution (Low) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Factor (Observed) | R-Work (Depositor) | R-Work (DCC) | R-Free (Depositor) | R-Free (DCC) | R-Free Selection Details | Mean Isotropic B | ||||
| X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | THROUGHOUT | PDB ENTRY 3X3B | 1.8 | 58.36 | 25345 | 1347 | 97.1 | 0.17674 | 0.17513 | 0.19 | 0.20524 | 0.21 | RANDOM | 24.456 | ||||
| Temperature Factor Modeling | ||||||
|---|---|---|---|---|---|---|
| Anisotropic B[1][1] | Anisotropic B[1][3] | Anisotropic B[2][2] | Anisotropic B[3][3] | |||
| 0.5 | 0.08 | 1.25 | -0.72 | |||
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| r_dihedral_angle_2_deg | 36.36 |
| r_dihedral_angle_4_deg | 21.254 |
| r_dihedral_angle_3_deg | 15.024 |
| r_scbond_it | 3.825 |
| r_dihedral_angle_1_deg | 2.924 |
| r_mcangle_it | 2.781 |
| r_mcbond_it | 2.066 |
| r_mcbond_other | 2.064 |
| r_angle_refined_deg | 1.902 |
| r_angle_other_deg | 1.234 |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 2095 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 93 |
| Heterogen Atoms | 130 |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| REFMAC | refinement |
| HKL-2000 | data reduction |
| SCALEPACK | data scaling |
| MOLREP | phasing |
