3TAS
Small laccase from Streptomyces viridosporus T7A
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 3CG8 |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 5.5 | 282 | Protein concentration was 20 mg/mL, containing 50 mM Hepes-K+ (pH 8.0), and 100 mM KCl; the precipitant contained 2.0 M Li2SO4, 5% polyethylene glycol 400, 100 mM MgSO4, 100 mM acetate, VAPOR DIFFUSION, HANGING DROP, temperature 282K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
3.18 | 61.31 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 102.3 | α = 90 |
b = 157.18 | β = 90 |
c = 162.33 | γ = 90 |
Symmetry | |
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Space Group | I 2 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 | RAYONIX MX-300 | 2010-07-04 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | APS BEAMLINE 21-ID-G | 0.97857 | APS | 21-ID-G |
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 | 2.3 | 20 | 99.8 | 0.221 | 10.51 | 58365 | 58241 | -3 | 28.668 |
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 | 2.3 | 2.36 | 99.9 | 0.842 | 2.02 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Starting model | Resolution (High) | Resolution (Low) | Cut-off Sigma (F) | Number Reflections (All) | 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 | 3CG8 | 2.3 | 19.692 | 1.99 | 58365 | 58235 | 2911 | 99.98 | 0.149 | 0.1467 | 0.1929 | random | 23.2416 |
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] | |
0.4003 | -0.4838 | 0.0835 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
f_dihedral_angle_d | 15.365 |
f_angle_d | 1.269 |
f_chiral_restr | 0.1 |
f_bond_d | 0.008 |
f_plane_restr | 0.007 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 6918 |
Nucleic Acid Atoms | |
Solvent Atoms | 615 |
Heterogen Atoms | 148 |
Software
Software | |
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Software Name | Purpose |
XSCALE | data scaling |
PHENIX | refinement |
PDB_EXTRACT | data extraction |
HKL-2000 | data collection |
XDS | data reduction |
PHASER | phasing |