1QXH
Crystal Structure of Escherichia coli Thiol Peroxidase in the Oxidized State
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
---|---|---|---|---|
ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 7 | 293 | PEG 4000, iso-propyl alcohol, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 293K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
1.85 | 33.01 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 38.654 | α = 90 |
b = 58.428 | β = 90 |
c = 127.686 | 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 | MACSCIENCE | 2002-07-08 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | PAL/PLS BEAMLINE 6B | 1.12714 | PAL/PLS | 6B |
Data Collection
Overall | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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 | 2.2 | 30 | 99 | 0.063 | 0.063 | 16.2 | 3.4 | 15120 | 15120 | 13.6 |
Highest Resolution Shell | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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) | |||||||||||
2.2 | 2.28 | 99.4 | 0.21 | 8.5 | 3.4 | 1429 |
Refinement
Statistics | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Diffraction ID | Structure Solution Method | Cross Validation method | Resolution (High) | Resolution (Low) | Number Reflections (All) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Factor (All) | R-Factor (Observed) | R-Work | R-Free | R-Free Selection Details | Mean Isotropic B | |||||
X-RAY DIFFRACTION | MIRAS | THROUGHOUT | 2.2 | 20.02 | 14619 | 14618 | 720 | 95.8 | 0.194 | 0.191 | 0.191 | 0.249 | RANDOM | 30.2 |
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] | |
6.34 | 3.78 | -10.12 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
c_dihedral_angle_d | 25 |
c_angle_deg | 1.2 |
c_improper_angle_d | 0.76 |
c_bond_d | 0.005 |
c_bond_d_na | |
c_bond_d_prot | |
c_angle_d | |
c_angle_d_na | |
c_angle_d_prot | |
c_angle_deg_na |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 2448 |
Nucleic Acid Atoms | |
Solvent Atoms | 335 |
Heterogen Atoms |
Software
Software | |
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Software Name | Purpose |
CNS | refinement |
DENZO | data reduction |
SCALEPACK | data scaling |
SOLVE | phasing |