Crystal structure of maize cytokinin oxidase/dehydrogenase 4 (ZmCKO4) in complex with phenylurea inhibitor CPPU
X-RAY DIFFRACTION
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details | 
| 1 | VAPOR DIFFUSION, HANGING DROP | 8 | 298 | 22% ethylene glycol, co-crystallized with 3mM CPPU in DMSO, pH 8.0, VAPOR DIFFUSION, HANGING DROP, temperature 298.0K | 
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content | 
| 2.48 | 50.39 | 
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) | 
| a = 74.45 | α = 90 | 
| b = 74.45 | β = 90 | 
| c = 208.25 | γ = 90 | 
| Symmetry | |
|---|---|
| Space Group | P 43 21 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 | PSI PILATUS 6M | 2013-11-08 | M | SINGLE WAVELENGTH | ||||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline | 
| 1 | SYNCHROTRON | SOLEIL BEAMLINE PROXIMA 1 | 0.97934 | SOLEIL | PROXIMA 1 | 
Data Collection
| Overall | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Sym 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 | 50 | 97.5 | 0.071 | 13.14 | 60144 | 58646 | 2 | 2 | 33.15 | |||||||||
| Highest Resolution Shell | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | ||||||||||||
| 1 | 1.75 | 1.86 | 98.9 | ||||||||||||||||
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 | 1.75 | 42.67 | 58603 | 2931 | 97.52 | 0.188 | 0.187 | 0.19 | 0.2071 | 0.22 | RANDOM | 50.85 | |||||
| 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] | |
| -5.072 | -5.072 | 10.1439 | ||||
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation | 
| t_other_torsion | 16.18 | 
| t_omega_torsion | 3.71 | 
| t_angle_deg | 1 | 
| t_bond_d | 0.01 | 
| t_dihedral_angle_d | |
| t_trig_c_planes | |
| t_gen_planes | |
| t_it | |
| t_chiral_improper_torsion | |
| t_ideal_dist_contact | |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number | 
| Protein Atoms | 3558 | 
| Nucleic Acid Atoms | |
| Solvent Atoms | 172 | 
| Heterogen Atoms | 134 | 
Software
| Software | |
|---|---|
| Software Name | Purpose | 
| DNA | data collection | 
| PHASER | phasing | 
| BUSTER | refinement | 
| XDS | data reduction | 
| XDS | data scaling | 














