1H3M
Structure of 4-diphosphocytidyl-2C-methyl-D-erythritol synthetase
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 1INI | PDB ENTRY 1INI |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | 6 | 0.2M AMMONIUM SULPHATE, 0.1M SODIUM ACETATE, PH 5.6, 25% PEG 4000 |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.23 | 50.1 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 73.604 | α = 90 |
b = 73.604 | β = 90 |
c = 175.562 | γ = 90 |
Symmetry | |
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Space Group | P 41 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 | MARRESEARCH | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | ESRF BEAMLINE BM14 | ESRF | BM14 |
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 | 2.4 | 20 | 99.5 | 0.03 | 37 | 4 | 19619 | 1.5 |
Highest Resolution Shell | |||||||||||||||||||
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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 | 2.4 | 2.46 | 98.6 | 0.27 | 3.1 |
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-Factor (Observed) | R-Work | R-Free | R-Free Selection Details | Mean Isotropic B | ||||||
X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | THROUGHOUT | PDB ENTRY 1INI | 2.4 | 20 | 18554 | 1000 | 99.7 | 0.241 | 0.237 | 0.333 | RANDOM | 49.08 |
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] | |
1.21 | 1.21 | -2.42 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_1_deg | 7.195 |
r_scangle_it | 3.784 |
r_scbond_it | 2.35 |
r_mcangle_it | 1.737 |
r_angle_refined_deg | 1.668 |
r_mcbond_it | 0.944 |
r_symmetry_vdw_refined | 0.28 |
r_symmetry_hbond_refined | 0.267 |
r_nbd_refined | 0.229 |
r_xyhbond_nbd_refined | 0.17 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 3307 |
Nucleic Acid Atoms | |
Solvent Atoms | 86 |
Heterogen Atoms | 12 |
Software
Software | |
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Software Name | Purpose |
REFMAC | refinement |
DENZO | data reduction |
SCALEPACK | data scaling |
CNS | phasing |