7O9G
Escherichia coli Ffh in complex with ppGpp
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 3NG1 |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, SITTING DROP | 293 | 0.2 M ammonium acetate, 20 % (w/v) PEG 3350 |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.27 | 45.77 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 48.63 | α = 90 |
b = 38.2 | β = 96.27 |
c = 78.44 | 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 | 100 | PIXEL | DECTRIS EIGER X 16M | 2019-12-10 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | PETRA III, EMBL c/o DESY BEAMLINE P14 (MX2) | 0.97626 | PETRA III, EMBL c/o DESY | P14 (MX2) |
Data Collection
Overall | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | CC (Half) | 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 | 2.8 | 43.26 | 97.41 | 0.999 | 32.05 | 3.4 | 7083 |
Highest Resolution Shell | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | CC (Half) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | |||||||||||
1 | 2.803 | 2.904 | 0.996 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Cross Validation method | Starting model | Resolution (High) | Resolution (Low) | Cut-off Sigma (F) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Factor (Observed) | R-Work (Depositor) | R-Work (DCC) | R-Free (Depositor) | R-Free (DCC) | Mean Isotropic B | ||||
X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | FREE R-VALUE | 3NG1 | 2.8 | 43.26 | 1.4 | 7077 | 355 | 97.43 | 0.1952 | 0.1919 | 0.21 | 0.2598 | 0.24 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
f_dihedral_angle_d | 23.853 |
f_angle_d | 1.635 |
f_chiral_restr | 0.066 |
f_bond_d | 0.011 |
f_plane_restr | 0.008 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 2237 |
Nucleic Acid Atoms | |
Solvent Atoms | 9 |
Heterogen Atoms | 37 |
Software
Software | |
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Software Name | Purpose |
PHENIX | refinement |
Coot | model building |
XSCALE | data scaling |
PHENIX | phasing |
XDS | data reduction |