4CFX
Structure-based design of C8-substituted O6-cyclohexylmethoxyguanine CDK1 and 2 inhibitors.
X-RAY DIFFRACTION
Starting Model(s)
| Initial Refinement Model(s) | |||
|---|---|---|---|
| Type | Source | Accession Code | Details |
| experimental model | PDB | 1H1S | PDB ENTRY 1H1S |
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | 50 MM AMMONIUM ACETATE, 10% PEG-3350, 15 MM NACL, 100 MM HEPES, PH = 7.4, 10% DMSO | |||
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 2.95 | 58.34 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 74.66 | α = 90 |
| b = 136.56 | β = 90 |
| c = 149.03 | γ = 90 |
| Symmetry | |
|---|---|
| Space Group | P 21 21 21 |
Diffraction
| Diffraction Experiment | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Crystal ID | Scattering Type | Data Collection Temperature | Detector | Detector Type | Details | Collection Date | Monochromator | Protocol | |||||
| 1 | 1 | x-ray | 100 | M | SINGLE WAVELENGTH | |||||||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | SYNCHROTRON | DIAMOND | Diamond | ||
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 | 2.95 | 50.35 | 98.6 | 0.11 | 2.68 | 11358 | |||||||||||||
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 1H1S | 3.5 | 50.34 | 18483 | 976 | 97.95 | 0.2075 | 0.20418 | 0.2 | 0.26929 | 0.27 | RANDOM | 51.289 | ||||
| Temperature Factor Modeling | ||||||
|---|---|---|---|---|---|---|
| Anisotropic B[1][1] | Anisotropic B[2][2] | Anisotropic B[3][3] | ||||
| -0.01 | 0.68 | -0.68 | ||||
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| r_dihedral_angle_2_deg | 41.334 |
| r_dihedral_angle_3_deg | 20.382 |
| r_dihedral_angle_4_deg | 17.722 |
| r_dihedral_angle_1_deg | 5.853 |
| r_angle_other_deg | 2.431 |
| r_angle_refined_deg | 1.553 |
| r_scbond_it | 0.465 |
| r_mcangle_it | 0.333 |
| r_mcbond_it | 0.19 |
| r_mcbond_other | 0.189 |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 9014 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 88 |
| Heterogen Atoms | 56 |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| REFMAC | refinement |
| MOSFLM | data reduction |
| SCALA | data scaling |
| PHASER | phasing |
