3P74
H181N mutant of pentaerythritol tetranitrate reductase containing a C-terminal His8-tag
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION | 6.2 | 293 | 100mM sodium cacodylate, 100 mM sodium acetate, 16-18% isopropanol, pH 6.2, vapor diffusion, temperature 293K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.23 | 44.79 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 59.119 | α = 90 |
b = 69.086 | β = 90 |
c = 88.623 | 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 | CCD | ADSC QUANTUM 1 | 2008-12-04 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | ESRF BEAMLINE ID14-4 | 1.07 | ESRF | ID14-4 |
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 | 1.2 | 54.486 | 98.3 | 0.049 | 0.049 | 19.8 | 5.4 | 111751 | 111751 |
Highest Resolution Shell | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | R-Sym I (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | ||||||||||
1.2 | 1.26 | 91.4 | 0.244 | 0.244 | 2.5 | 3.4 | 14955 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Cross Validation method | 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 | 1.2 | 44.32 | 111664 | 5582 | 98.1 | 0.137 | 0.1359 | 0.1587 | RANDOM | 13.9864 |
Temperature Factor Modeling | ||||||
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Anisotropic B[1][1] | Anisotropic B[1][2] | Anisotropic B[1][3] | Anisotropic B[2][2] | Anisotropic B[2][3] | Anisotropic B[3][3] | |
-0.04 | 0.03 | 0.02 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 39.067 |
r_dihedral_angle_4_deg | 15.313 |
r_dihedral_angle_3_deg | 12.117 |
r_dihedral_angle_1_deg | 5.705 |
r_sphericity_free | 5.212 |
r_sphericity_bonded | 3.039 |
r_scangle_it | 2.717 |
r_scbond_it | 2.054 |
r_mcangle_it | 1.492 |
r_angle_refined_deg | 1.359 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 2750 |
Nucleic Acid Atoms | |
Solvent Atoms | 625 |
Heterogen Atoms | 31 |
Software
Software | |
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Software Name | Purpose |
MOSFLM | data reduction |
SCALA | data scaling |
MOLREP | phasing |
REFMAC | refinement |
PDB_EXTRACT | data extraction |
ADSC | data collection |