3BQE
Structure of the central domain (MsrA) of Neisseria meningitidis PilB (reduced form)
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 1NWA | PDB ENTRY 1NWA |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | microbatch-under-oil | 7.5 | 293 | 1 volume of 20% PEG 8000, 0.1M Na HEPES pH 7.5, mixed with 1 volume of 50mM TRIS HCl, 2mM EDTA pH 8, 18mg/mL protein, microbatch-under-oil, temperature 293K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
1.61562 | 23.868227 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 43.488 | α = 90 |
b = 49.183 | β = 90 |
c = 66.153 | 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 | IMAGE PLATE | MAC Science DIP-2030 | 2000-02-10 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | ROTATING ANODE | ENRAF-NONIUS FR591 | 1.5418 |
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 | 30 | 95.7 | 0.056 | 14.3 | 2.04 | 10048 | 9614 | 11.5 |
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 | 2.03 | 90.2 | 0.269 | 3.3 | 1.98 |
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-Work | R-Free | R-Free Selection Details | Mean Isotropic B | ||||||
X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | THROUGHOUT | PDB ENTRY 1NWA | 2 | 16.54 | 10045 | 9342 | 469 | 93.1 | 0.175 | 0.203 | RANDOM | 22.4 |
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] | |
0.67 | 3.52 | -4.18 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
c_dihedral_angle_d | 24.3 |
c_scangle_it | 3.87 |
c_scbond_it | 2.91 |
c_mcangle_it | 1.85 |
c_mcbond_it | 1.37 |
c_angle_deg | 1.2 |
c_improper_angle_d | 0.71 |
c_bond_d | 0.006 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 1357 |
Nucleic Acid Atoms | |
Solvent Atoms | 146 |
Heterogen Atoms |
Software
Software | |
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Software Name | Purpose |
CNS | refinement |
PDB_EXTRACT | data extraction |
XPRESS | data collection |
DENZO | data reduction |
SCALEPACK | data scaling |
CNS | phasing |