3A3U
Crystal structure of MqnD (TTHA1568), a menaquinone biosynthetic enzyme from Thermus thermophilus HB8
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 2CZL | PDB ENTRY 2CZL |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 8 | 293 | 0.1M TRIS-HCL, 0.8M POTASSIUM SODIUM TARTRATE, 1% PEG 5000 MME, pH 8.0, VAPOR DIFFUSION, HANGING DROP, temperature 293K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.57 | 52.23 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 60.196 | α = 90 |
b = 60.196 | β = 90 |
c = 170.934 | γ = 90 |
Symmetry | |
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Space Group | P 43 21 2 |
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 | RIGAKU JUPITER 210 | TWO DIMENSIONAL FOCUSING MIRROR | 2005-07-27 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | SPRING-8 BEAMLINE BL26B1 | 1.0000 | SPring-8 | BL26B1 |
Data Collection
Overall | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Sym 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 | 1.65 | 50 | 99.6 | 0.061 | 32.5 | 10.7 | 38654 | -3 | 25.2 |
Highest Resolution Shell | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R-Sym I (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | |||||||||||
1 | 1.65 | 1.71 | 99.4 | 0.445 | 5.33 | 10 | 3788 |
Refinement
Statistics | |||||||||||||||||||
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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-Work | R-Free | R-Free Selection Details | Mean Isotropic B | |||||||
X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | THROUGHOUT | PDB ENTRY 2CZL | 1.65 | 34.85 | 37856 | 3795 | 97.5 | 0.206 | 0.237 | RANDOM | 28 |
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] | |
-0.23 | -0.23 | 0.46 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
c_dihedral_angle_d | 22.3 |
c_scangle_it | 5.75 |
c_scbond_it | 4.41 |
c_mcangle_it | 3.76 |
c_mcbond_it | 2.96 |
c_angle_deg | 1.5 |
c_improper_angle_d | 1.03 |
c_bond_d | 0.01 |
c_bond_d_na | |
c_bond_d_prot |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 2109 |
Nucleic Acid Atoms | |
Solvent Atoms | 261 |
Heterogen Atoms | 32 |
Software
Software | |
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Software Name | Purpose |
CNS | refinement |
HKL-2000 | data collection |
HKL-2000 | data reduction |
HKL-2000 | data scaling |
MOLREP | phasing |