Crystal structure of VDR-LBD complexed with an antagonist, 2-methylidene-19,26,27-trinor-22-(S)-butyl-1-hydroxy-25-oxo-25-(1H-pyrrol-2-yl)- vitamin D3
X-RAY DIFFRACTION
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | VAPOR DIFFUSION, HANGING DROP | 7 | 293 | MOPS-Na, Na-Formate, PEG 4000, Ethyleneglycol |
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 2.04 | 39.76 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 151.8 | α = 90 |
| b = 41.49 | β = 96.97 |
| c = 42.02 | 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 | CCD | ADSC QUANTUM 315r | 2015-11-15 | M | SINGLE WAVELENGTH | ||||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | SYNCHROTRON | PHOTON FACTORY BEAMLINE BL-5A | 1.0 | Photon Factory | BL-5A |
Data Collection
| Overall | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (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 | 2.8 | 41.71 | 99 | 9.6 | 3.3 | 6482 | |||||||||||||
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 (Depositor) | R-Work (DCC) | R-Free (Depositor) | R-Free (DCC) | R-Free Selection Details | Mean Isotropic B | |||||
| X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | THROUGHOUT | 2.8 | 41.71 | 6021 | 460 | 98.59 | 0.18393 | 0.18296 | 0.19 | 0.19649 | 0.2 | RANDOM | 30.861 | |||||
| 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] | |
| -3.44 | -0.46 | 2.32 | 1.19 | |||
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| r_dihedral_angle_2_deg | 36.892 |
| r_dihedral_angle_3_deg | 17.621 |
| r_dihedral_angle_4_deg | 16.533 |
| r_dihedral_angle_1_deg | 5.285 |
| r_long_range_B_other | 4.787 |
| r_long_range_B_refined | 4.783 |
| r_angle_other_deg | 3.525 |
| r_scangle_other | 3.188 |
| r_mcangle_it | 2.743 |
| r_mcangle_other | 2.743 |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 1891 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 31 |
| Heterogen Atoms | 37 |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| REFMAC | refinement |
| iMOSFLM | data reduction |
| Aimless | data scaling |
| REFMAC | phasing |
