Deciphering cis-trans directionality and visualizing autophosphorylation in histidine kinases.
X-RAY DIFFRACTION
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | 7.5 | 294 | 2% PEG 1000, 2% PEG 4000, 0.03M sodium acetate, Hepes pH 7.5, ammonium sulfate 1.5M, VAPOR DIFFUSION, SITTING DROP, temperature 294K | |
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 4.87 | 74.72 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 163.686 | α = 90 |
| b = 163.686 | β = 90 |
| c = 130.093 | γ = 120 |
| Symmetry | |
|---|---|
| Space Group | P 65 2 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 | 2013-02-27 | M | SINGLE WAVELENGTH | ||||||
| 2 | 1 | x-ray | 100 | PIXEL | DECTRIS PILATUS 6M | 2012-07-12 | M | SAD | ||||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | SYNCHROTRON | DIAMOND BEAMLINE I24 | Diamond | I24 | |
| 2 | SYNCHROTRON | ESRF BEAMLINE ID29 | ESRF | ID29 | |
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 | 3 | 29.58 | 0.074 | 10.6 | 20516 | 2 | |||||||||||||
| 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 | 3 | 3.16 | 98.5 | 0.939 | 2.3 | 10.7 | |||||||||||||
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 | SAD | THROUGHOUT | 3 | 29.58 | 19482 | 1034 | 97.1 | 0.196 | 0.194 | 0.19 | 0.234 | 0.23 | RANDOM | 106.19 | |||||
| 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] | |
| -1.38 | -1.38 | -1.38 | 4.49 | |||
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| r_dihedral_angle_2_deg | 35.672 |
| r_dihedral_angle_4_deg | 19.001 |
| r_dihedral_angle_3_deg | 18.834 |
| r_mcangle_it | 7.668 |
| r_scbond_it | 6.031 |
| r_dihedral_angle_1_deg | 5.619 |
| r_mcbond_it | 4.98 |
| r_mcbond_other | 4.979 |
| r_angle_refined_deg | 1.286 |
| r_angle_other_deg | 0.752 |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 3366 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 19 |
| Heterogen Atoms | 54 |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| PHASER | phasing |
| REFMAC | refinement |
| XDS | data reduction |
| SCALA | data scaling |
