7C1J
Crystal structure of the receiver domain of sensor histidine kinase PA1611 (PA1611REC) from Pseudomonas aeruginosa PAO1 with magnesium ion coordinated in the active site cleft
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
---|---|---|---|---|
ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 291 | PEG 4000, MgCl2, Tris-HCl |
Crystal Properties | |
---|---|
Matthews coefficient | Solvent content |
1.79 | 31.36 |
Crystal Data
Unit Cell | |
---|---|
Length ( Å ) | Angle ( ˚ ) |
a = 57.96 | α = 90 |
b = 57.96 | β = 90 |
c = 67.6 | γ = 120 |
Symmetry | |
---|---|
Space Group | P 31 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 | 110 | CCD | RAYONIX MX300HE | 2017-05-25 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | NSRRC BEAMLINE BL15A1 | 1.0 | NSRRC | BL15A1 |
Data Collection
Overall | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge I (Observed) | Rrim I (All) | Rpim I (All) | 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 | 1.35 | 30 | 97.8 | 0.069 | 0.075 | 0.029 | 18.4 | 6.3 | 28642 |
Highest Resolution Shell | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | Rrim I (All) | Rpim I (All) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | |||||||||
1 | 1.35 | 1.4 | 99.9 | 1.255 | 1.368 | 0.536 | 1.64 | 6.3 |
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 | R-Free | R-Free Selection Details | Mean Isotropic B | ||||||
X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | THROUGHOUT | 2R25 | 1.35 | 20.16 | 26942 | 1448 | 96.99 | 0.18217 | 0.18038 | 0.21637 | RANDOM | 24.59 |
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] | |
0.37 | 0.19 | 0.37 | -1.21 |
RMS Deviations | |
---|---|
Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 27.312 |
r_dihedral_angle_4_deg | 20.283 |
r_dihedral_angle_3_deg | 16.922 |
r_long_range_B_refined | 8.256 |
r_long_range_B_other | 7.999 |
r_dihedral_angle_1_deg | 6.859 |
r_scangle_other | 5.013 |
r_mcangle_it | 4 |
r_mcangle_other | 4 |
r_scbond_it | 3.217 |
Non-Hydrogen Atoms Used in Refinement | |
---|---|
Non-Hydrogen Atoms | Number |
Protein Atoms | 960 |
Nucleic Acid Atoms | |
Solvent Atoms | 173 |
Heterogen Atoms | 1 |
Software
Software | |
---|---|
Software Name | Purpose |
REFMAC | refinement |
HKL-2000 | data reduction |
HKL-2000 | data scaling |
PHASER | phasing |