Crystal structure of Q108K:K40L:T51V:T53C:R58W:T29L:Y19W:Q4A mutant of cellular retinol binding protein II complex with all-trans-retinal after exposure to visible light
X-RAY DIFFRACTION
Starting Model(s)
| Initial Refinement Model(s) | |||
|---|---|---|---|
| Type | Source | Accession Code | Details |
| experimental model | PDB | 4QYN | |
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | VAPOR DIFFUSION, HANGING DROP | 298 | 30% PEG 4000, 0.1 M sodium acetate, 0.1 M ammonium acetate , pH 4.6, EVAPORATION, temperature 298K | |
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 2.05 | 39.98 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 30.755 | α = 86.18 |
| b = 35.773 | β = 86.478 |
| c = 64.153 | γ = 65.224 |
| Symmetry | |
|---|---|
| Space Group | P 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 | MAR scanner 300 mm plate | 2019-07-01 | M | SINGLE WAVELENGTH | ||||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | SYNCHROTRON | APS BEAMLINE 21-ID-D | 1.000 | APS | 21-ID-D |
Data Collection
| Overall | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | Rrim I (All) | Rpim I (All) | 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 | 2.11 | 29.48 | 88.28 | 0.107 | 0.06 | 13 | 3 | 12568 | 21.27 | ||||||||||
| Highest Resolution Shell | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | Rrim I (All) | Rpim I (All) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | ||||||||||
| 1 | 2.11 | 2.185 | 88.93 | 0.291 | 0.163 | 4.33 | |||||||||||||
Refinement
| Statistics | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Diffraction ID | Structure Solution Method | Cross Validation method | Starting model | Resolution (High) | Resolution (Low) | Cut-off Sigma (F) | 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) | Mean Isotropic B | ||||
| X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | FREE R-VALUE | 4QYN | 2.11 | 29.48 | 2.02 | 12568 | 1265 | 88.05 | 0.1811 | 0.1719 | 0.17 | 0.264 | 0.26 | 25.92 | ||||
| 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] | |
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| f_dihedral_angle_d | 12.1929 |
| f_angle_d | 0.871 |
| f_chiral_restr | 0.0541 |
| f_bond_d | 0.0073 |
| f_plane_restr | 0.0041 |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 2180 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 163 |
| Heterogen Atoms | 46 |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| PHENIX | refinement |
| HKL-2000 | data scaling |
| PDB_EXTRACT | data extraction |
| HKL-2000 | data reduction |
| Coot | model building |
| PHENIX | phasing |














