Crystal structure of the H30K mutant of the light-driven sodium pump KR2 in the monomeric form, pH 8.0
X-RAY DIFFRACTION
Starting Model(s)
| Initial Refinement Model(s) | |||
|---|---|---|---|
| Type | Source | Accession Code | Details |
| experimental model | PDB | 4XTL | |
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | LIPIDIC CUBIC PHASE | 293 | 2.0 M Sodium Malonate, pH 8.0 | |
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 3.29 | 62.62 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 40.738 | α = 90 |
| b = 84.178 | β = 90 |
| c = 234.541 | γ = 90 |
| Symmetry | |
|---|---|
| Space Group | I 2 2 2 |
Diffraction
| Diffraction Experiment | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Crystal ID | Scattering Type | Data Collection Temperature | Detector | Detector Type | Details | Collection Date | Monochromator | Protocol | |||||
| 1 | 1 | x-ray | 100 | PIXEL | DECTRIS PILATUS3 6M | 2015-11-02 | M | SINGLE WAVELENGTH | ||||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | SYNCHROTRON | ESRF BEAMLINE MASSIF-2 | 0.968 | ESRF | MASSIF-2 |
Data Collection
| Overall | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | CC (Half) | 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 | 2.2 | 42.09 | 99.9 | 0.997 | 7.4 | 5.4 | 21097 | ||||||||||||
| Highest Resolution Shell | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | CC (Half) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | |||||||||||
| 1 | 2.2 | 2.27 | 0.476 | 1 | |||||||||||||||
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 | 4XTL | 2.2 | 19.89 | 20046 | 1013 | 99.62 | 0.2107 | 0.2093 | 0.22 | 0.2377 | 0.25 | RANDOM | 39.81 | ||||
| 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] | |
| -0.14 | 0.14 | |||||
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| r_dihedral_angle_2_deg | 37.102 |
| r_dihedral_angle_4_deg | 19.814 |
| r_dihedral_angle_3_deg | 16.388 |
| r_dihedral_angle_1_deg | 7.438 |
| r_angle_other_deg | 0.758 |
| r_angle_refined_deg | 0.729 |
| r_chiral_restr | 0.042 |
| r_bond_refined_d | 0.004 |
| r_gen_planes_refined | 0.003 |
| r_bond_other_d | |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 2131 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 38 |
| Heterogen Atoms | 290 |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| Aimless | data scaling |
| REFMAC | refinement |
| PDB_EXTRACT | data extraction |
| XDS | data reduction |
| MOLREP | phasing |














