3DK8
Catalytic cycle of human glutathione reductase near 1 A resolution
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 3DK9 | PDB entry 3DK9 |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | 7 | 298 | 3% ammonium sulfate, 0.1 M potassium phosphate and 0.1% beta-octyl glucoside, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 298K, pH 7.00 |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.67 | 53.85 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 120.031 | α = 90 |
b = 62.281 | β = 121.9 |
c = 83.98 | γ = 90 |
Symmetry | |
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Space Group | C 1 2 1 |
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 4 | 2000-03-19 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | APS BEAMLINE 14-BM-C | APS | 14-BM-C |
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 | 1.1 | 100 | 90.8 | 0.089 | 30.3 | 250008 |
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 | 1 | 1.02 | 64.5 | 0.191 |
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 (R-Free) | Percent Reflections (Observed) | R-Factor (Observed) | R-Work | R-Free | R-Free Selection Details | Mean Isotropic B | ||||||
X-RAY DIFFRACTION | FREE R | PDB entry 3DK9 | 1.1 | 100 | 155146 | 7671 | 84.1 | 0.124 | 0.157 | RANDOM | 21.996 |
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] | |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
s_non_zero_chiral_vol | 0.103 |
s_approx_iso_adps | 0.099 |
s_zero_chiral_vol | 0.088 |
s_similar_adp_cmpnt | 0.053 |
s_anti_bump_dis_restr | 0.035 |
s_angle_d | 0.033 |
s_from_restr_planes | 0.0291 |
s_bond_d | 0.016 |
s_rigid_bond_adp_cmpnt | 0.006 |
s_similar_dist |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 3496 |
Nucleic Acid Atoms | |
Solvent Atoms | 839 |
Heterogen Atoms | 117 |
Software
Software | |
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Software Name | Purpose |
DENZO | data reduction |
SCALEPACK | data scaling |
SHELX | refinement |
PDB_EXTRACT | data extraction |
CNS | phasing |
SHELXL-97 | refinement |