3K4D
Crystal structure of E. coli beta-glucuronidase with the glucaro-d-lactam inhibitor bound
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 3K4A | PDB entry 3K4A |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 7.4 | 289 | 15% PEG 3350, 0.2 M Mg Acetate, 0.02% Sodium azide, 500 mM Glucaro-d-lactam, pH 7.4, VAPOR DIFFUSION, HANGING DROP, temperature 289K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.41 | 49.01 |
Crystal Data
Unit Cell | |
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Length ( ? ) | Angle ( ? ) |
a = 167.653 | ¦Á = 90 |
b = 76.971 | ¦Â = 124.98 |
c = 125.468 | ¦Ã = 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 | MAR CCD 165 mm | 2009-02-18 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | APS BEAMLINE 22-BM | 1.000 | APS | 22-BM |
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 | 2.393 | 50 | 98.33 | 0.082 | 7 | 51884 |
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 | 2.393 | 2.49 | 93.9 | 0.422 | 6.2 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Cross Validation method | Starting model | 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 | PDB entry 3K4A | 2.393 | 29.57 | 50982 | 2502 | 98.33 | 0.2061 | 0.20455 | 0.23682 | RANDOM | 71.57 |
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] | |
-1.89 | 0.38 | 1.64 | 0.69 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 38.466 |
r_dihedral_angle_3_deg | 19.192 |
r_dihedral_angle_4_deg | 18.761 |
r_dihedral_angle_1_deg | 10.975 |
r_scangle_it | 6.681 |
r_mcangle_it | 4.834 |
r_scbond_it | 4.055 |
r_mcbond_it | 2.626 |
r_rigid_bond_restr | 2.257 |
r_angle_refined_deg | 1.521 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 9552 |
Nucleic Acid Atoms | |
Solvent Atoms | 355 |
Heterogen Atoms | 26 |
Software
Software | |
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Software Name | Purpose |
REFMAC | refinement |
SCALEPACK | data scaling |
MOLREP | phasing |
PHENIX | refinement |
PDB_EXTRACT | data extraction |
HKL-2000 | data collection |
HKL-2000 | data reduction |
HKL-2000 | data scaling |
DENZO | data reduction |