3UNL
Crystal structure of ketosteroid isomerase F54G from Pseudomonas testosteroni
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 3M8C | PDB entry 3M8C |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, SITTING DROP | 7.2 | 298 | 1.4 M ammonium sulfate, 20 mM potassium phosphate, 1 mM EDTA, 2mM DTT, pH 7.2, VAPOR DIFFUSION, SITTING DROP, temperature 298K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.84 | 56.62 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 64.571 | α = 90 |
b = 64.571 | β = 90 |
c = 502.154 | γ = 120 |
Symmetry | |
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Space Group | P 61 2 2 |
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 315r | 2011-07-22 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | SSRL BEAMLINE BL9-1 | 0.980 | SSRL | BL9-1 |
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 | 2.52 | 39.5 | 99.7 | 0.102 | 18.1 | 10.5 | 22617 | 43.6 |
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 | 2.52 | 2.66 | 98.1 | 0.408 | 4.2 | 7.1 | 3118 |
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-Factor (All) | R-Factor (Observed) | R-Work | R-Free | R-Free Selection Details | Mean Isotropic B | ||||
X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | THROUGHOUT | PDB entry 3M8C | 2.52 | 37.36 | 22472 | 22472 | 1147 | 99.72 | 0.2262 | 0.2262 | 0.224 | 0.2679 | RANDOM | 25.9096 |
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] | |
1.09 | 0.54 | 1.09 | -1.63 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 32.906 |
r_dihedral_angle_4_deg | 18.428 |
r_dihedral_angle_3_deg | 15.58 |
r_dihedral_angle_1_deg | 6.258 |
r_scangle_it | 2.018 |
r_angle_refined_deg | 1.286 |
r_scbond_it | 1.219 |
r_angle_other_deg | 0.835 |
r_mcangle_it | 0.779 |
r_mcbond_it | 0.413 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 3728 |
Nucleic Acid Atoms | |
Solvent Atoms | 101 |
Heterogen Atoms | 70 |
Software
Software | |
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Software Name | Purpose |
XSCALE | data scaling |
MOLREP | phasing |
REFMAC | refinement |
PDB_EXTRACT | data extraction |
Blu-Ice | data collection |
Web-Ice | data collection |
XDS | data reduction |
SCALA | data scaling |