3LD9
Crystal structure of thymidylate kinase from Ehrlichia chaffeensis at 2.15A resolution
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 2PBR | PDB ENTRY 2PBR MODIFIED WITH CCP4 PROGRAM CHAINSAW |
Crystallization
Crystalization Experiments | ||||
---|---|---|---|---|
ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, SITTING DROP | 7.5 | 290 | MD PACT SCREEN G8: 100MM BIS-TRIS-PROPANE PH 7.5, 200MM NA-SULPHATE, 20% PEG 3350; EHCHA.01616.A AT 25.5MG/ML, VAPOR DIFFUSION, SITTING DROP, TEMPERATURE 290K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.04 | 39.72 |
Crystal Data
Unit Cell | |
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Length ( ? ) | Angle ( ? ) |
a = 39.17 | ¦Á = 90 |
b = 144.82 | ¦Â = 90 |
c = 146.84 | ¦Ã = 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 | Single crystal, cylindrically bent, Si(220) | 2009-12-02 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | ALS BEAMLINE 5.0.1 | 0.9744 | ALS | 5.0.1 |
Data Collection
Overall | |||||||||||||||||||
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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 | 2.15 | 50 | 100 | 0.079 | 16.84 | 5.9 | 46727 | 46708 | -3 |
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 | 2.15 | 2.21 | 99.9 | 0.481 | 3.7 | 5.8 |
Refinement
Statistics | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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 (Observed) | R-Work | R-Free | R-Free Selection Details | Mean Isotropic B | |||||
X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | THROUGHOUT | PDB ENTRY 2PBR MODIFIED WITH CCP4 PROGRAM CHAINSAW | 2.15 | 46.37 | 46727 | 44279 | 2354 | 99.97 | 0.18883 | 0.18656 | 0.2322 | RANDOM | 31.523 |
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] | |
0.47 | -2.03 | 1.55 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 37.035 |
r_dihedral_angle_4_deg | 22.633 |
r_dihedral_angle_3_deg | 13.267 |
r_dihedral_angle_1_deg | 5.192 |
r_scangle_it | 3.36 |
r_scbond_it | 2.112 |
r_angle_refined_deg | 1.345 |
r_mcangle_it | 1.295 |
r_angle_other_deg | 0.906 |
r_mcbond_it | 0.71 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 5700 |
Nucleic Acid Atoms | |
Solvent Atoms | 301 |
Heterogen Atoms | 28 |
Software
Software | |
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Software Name | Purpose |
BOS | data collection |
PHASER | phasing |
REFMAC | refinement |
XDS | data reduction |
XSCALE | data scaling |