4F19
Subatomic resolution structure of a high affinity periplasmic phosphate-binding protein (PfluDING) bound with arsenate at pH 4.5
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 3G62 | PDB ENTRY 3G62 |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 4.5 | 293 | 20-26% PEG 8000, 200mM Li2SO4, 1mM CaCl2, 100mM arsenate pH 4.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.16 | 43.05 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 36.97 | α = 90 |
b = 124.44 | β = 116.4 |
c = 41.01 | γ = 90 |
Symmetry | |
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Space Group | P 1 21 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 | PIXEL | PSI PILATUS 6M | 2011-11-24 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | ESRF BEAMLINE ID29 | 0.826 | ESRF | ID29 |
Data Collection
Overall | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (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 | 0.95 | 36.73 | 97.5 | 0.037 | 15.6 | 2.77 | 208017 | 202817 | 2 | 2 |
Highest Resolution Shell | |||||||||||||||||||
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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) | |||||||||||
1 | 0.95 | 1.05 | 97.4 | 0.249 | 4.45 |
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 3G62 | 0.95 | 36.73 | 192675 | 10141 | 97.71 | 0.09591 | 0.09511 | 0.11111 | RANDOM | 9.5 |
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] | |
0.05 | 0.13 | 0.12 | -0.05 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_sphericity_free | 47.036 |
r_dihedral_angle_2_deg | 39.1 |
r_dihedral_angle_4_deg | 19.543 |
r_sphericity_bonded | 13.859 |
r_dihedral_angle_3_deg | 11.411 |
r_rigid_bond_restr | 7.571 |
r_dihedral_angle_1_deg | 6.853 |
r_angle_refined_deg | 2.178 |
r_angle_other_deg | 1.128 |
r_chiral_restr | 0.147 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 2698 |
Nucleic Acid Atoms | |
Solvent Atoms | 1004 |
Heterogen Atoms | 5 |
Software
Software | |
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Software Name | Purpose |
MOLREP | phasing |
REFMAC | refinement |
XDS | data scaling |