1XZN
PYRR, THE REGULATOR OF THE PYRIMIDINE BIOSYNTHETIC OPERON IN BACILLUS CALDOLYTICUS, sulfate-bound form
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 1NON | PDB entry 1NON |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 7.4 | 298 | 100mM Na cacodylate, 100mM Amm sulfate, 2mM Mg sulfate, 10% Pek 4000, pH 7.4, VAPOR DIFFUSION, HANGING DROP, temperature 298.0K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2 | 38.5 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 106.46 | α = 90 |
b = 106.46 | β = 90 |
c = 62.2 | 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 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | APS BEAMLINE 14-ID-B | APS | 14-ID-B |
Data Collection
Overall | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge I (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 | 2.27 | 37.81 | 95.1 | 0.094 | 0.312 | 20.6 | 10 | 16954 | 16124 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Starting model | Resolution (High) | Resolution (Low) | Number Reflections (All) | 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 | PDB entry 1NON | 2.27 | 50 | 17062 | 16124 | 1617 | 0.22 | 0.27 | random |
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] | |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
c_angle_deg | 1.2 |
c_bond_d | 0.06 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 2509 |
Nucleic Acid Atoms | |
Solvent Atoms | 83 |
Heterogen Atoms | 17 |
Software
Software | |
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Software Name | Purpose |
HKL-2000 | data collection |
SCALEPACK | data scaling |
AMoRE | phasing |
CNS | refinement |
HKL-2000 | data reduction |