7QP5
Crystal Structure of E. coli FhuF
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 8.2 | 298 | Protein concentration 50 MG/ML, 0.2 M MGCL2.6H2O, 0.1 M TRIS-HCL PH 8.5, 30% W/V PEG 4000, Hanging drop vapor diffusion; 2 microliters protein + 2 microliters reservoir equilibrated against 500 microliters reservoir |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.55 | 51.78 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 116.912 | α = 90 |
b = 73.574 | β = 113.44 |
c = 71.878 | γ = 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 | PIXEL | DECTRIS PILATUS 6M | 2021-12-05 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | ALBA BEAMLINE XALOC | 0.97934 | ALBA | XALOC |
Data Collection
Overall | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge I (Observed) | Rpim I (All) | 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 | 1.92 | 65.95 | 52.7 | 0.078 | 0.05 | 0.997 | 9.3 | 3.3 | 25252 | 28.19 |
Highest Resolution Shell | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | Rpim I (All) | CC (Half) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | |||||||||
1 | 1.92 | 2.11 | 10.7 | 0.567 | 0.492 | 0.56 | 1.4 | 2.1 |
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 | R-Free | Mean Isotropic B | ||||||
X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | FREE R-VALUE | ALPHA FOLD MODEL | 1.92 | 65.95 | 1.36 | 25244 | 1319 | 59.04 | 0.2115 | 0.2093 | 0.252 | 33.81 |
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] | |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
f_dihedral_angle_d | 12.8611 |
f_angle_d | 0.5588 |
f_chiral_restr | 0.0386 |
f_plane_restr | 0.0045 |
f_bond_d | 0.0026 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 3879 |
Nucleic Acid Atoms | |
Solvent Atoms | 157 |
Heterogen Atoms | 8 |
Software
Software | |
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Software Name | Purpose |
PHENIX | refinement |
XDS | data reduction |
STARANISO | data scaling |
PHASER | phasing |