Crystal structure of D1050E mutant of the receiver domain of the histidine kinase CKI1 from Arabidopsis thaliana
X-RAY DIFFRACTION
Starting Model(s)
| Initial Refinement Model(s) | |||
|---|---|---|---|
| Type | Source | Accession Code | Details |
| experimental model | PDB | 3MM4 | |
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | VAPOR DIFFUSION, HANGING DROP | 5.05 | 290.15 | 2.54 M (NH4)2(SO4), 0.1 M MES pH 5.05 |
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 2.44 | 49.67 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 54.337 | α = 90 |
| b = 98.728 | β = 90 |
| c = 79.897 | γ = 90 |
| Symmetry | |
|---|---|
| Space Group | C 2 2 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 | CCD | MARMOSAIC 225 mm CCD | 2009-11-06 | M | SINGLE WAVELENGTH | ||||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | SYNCHROTRON | EMBL/DESY, HAMBURG BEAMLINE X12 | 0.975220 | EMBL/DESY, HAMBURG | X12 |
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 | 1.95 | 47.6 | 99.2 | 0.117 | 10.8 | 5.7 | 15893 | ||||||||||||
| Highest Resolution Shell | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | |||||||||||
| 1 | 1.95 | 2.06 | 94.8 | 0.665 | 1.6 | 4 | |||||||||||||
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 | 3MM4 | 1.95 | 42.37 | 13110 | 696 | 86.12 | 0.20848 | 0.20718 | 0.22 | 0.23381 | 0.24 | RANDOM | 34.402 | ||||
| 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] | |
| 1.17 | 0.05 | -1.23 | ||||
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| r_dihedral_angle_2_deg | 39.111 |
| r_dihedral_angle_4_deg | 17.502 |
| r_dihedral_angle_3_deg | 16.352 |
| r_long_range_B_refined | 9.004 |
| r_long_range_B_other | 8.974 |
| r_scangle_other | 7.339 |
| r_dihedral_angle_1_deg | 6.629 |
| r_mcangle_it | 4.722 |
| r_mcangle_other | 4.719 |
| r_scbond_it | 4.702 |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 1172 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 94 |
| Heterogen Atoms | |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| REFMAC | refinement |
| XDS | data reduction |
| SCALA | data scaling |
| MOLREP | phasing |
