3KZX
Crystal structure of a Had-superfamily hydrolase from Ehrlichia chaffeensis at 1.9A resolution
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, SITTING DROP | 6.5 | 290 | HR INDEX SCREEN C6: 100MM BISTRIS PH 6.5, 1.5M AMMONIUM SULPHATE, 100MM NACL; EHCHA.01190.A AT 27MG/ML, VAPOR DIFFUSION, SITTING DROP, TEMPERATURE 290K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.49 | 50.65 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 33.9 | α = 90 |
b = 63.81 | β = 90 |
c = 120.29 | γ = 90 |
Symmetry | |
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Space Group | P 21 21 21 |
Diffraction
Diffraction Experiment | ||||||||||||||
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ID # | Crystal ID | Scattering Type | Data Collection Temperature | Detector | Detector Type | Details | Collection Date | Monochromator | Protocol | |||||
1 | 1 | x-ray | 100 | CCD | ADSC QUANTUM 315r | 2009-12-02 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | ALS BEAMLINE 5.0.1 | 0.9774 | ALS | 5.0.1 |
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 | 1.9 | 50 | 99.2 | 0.077 | 14.54 | 3.9 | 21383 | 21206 | -3 | 26.24 |
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 | 1.9 | 1.95 | 99.6 | 0.529 | 2.8 | 3.9 | 1531 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Cross Validation method | Starting model | Resolution (High) | Resolution (Low) | Number Reflections (All) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Factor (All) | R-Factor (Observed) | R-Work | R-Free | R-Free Selection Details | Mean Isotropic B | ||||
X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | THROUGHOUT | pdb entry 3d6j modified with CCP4 program CHAINSAW and trimmed to conserved domain | 1.9 | 33.95 | 21383 | 21161 | 1087 | 99.2 | 0.174 | 0.174 | 0.172 | 0.213 | RANDOM | 9.51 |
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] | |
0.22 | 0.75 | -0.98 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 41.908 |
r_dihedral_angle_4_deg | 15.847 |
r_dihedral_angle_3_deg | 13.907 |
r_dihedral_angle_1_deg | 6.084 |
r_scangle_it | 3.795 |
r_scbond_it | 2.427 |
r_mcangle_it | 1.523 |
r_angle_refined_deg | 1.425 |
r_angle_other_deg | 0.907 |
r_mcbond_it | 0.842 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 1594 |
Nucleic Acid Atoms | |
Solvent Atoms | 191 |
Heterogen Atoms | 5 |
Software
Software | |
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Software Name | Purpose |
BOS | data collection |
PHASER | phasing |
REFMAC | refinement |
XDS | data reduction |
XSCALE | data scaling |