4WHE
Crystal structure of E. coli phage shock protein A (PspA 1-144)
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 7.2 | 288 | 0.1 M HEPES/NaOH, 10% (w/v) PEG 6000, 5% (v/v) MPD l |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.64 | 53.36 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 79.65 | α = 90 |
b = 30.377 | β = 115.61 |
c = 80.48 | γ = 90 |
Symmetry | |
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Space Group | C 1 2 1 |
Diffraction
Diffraction Experiment | ||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Crystal ID | Scattering Type | Data Collection Temperature | Detector | Detector Type | Details | Collection Date | Monochromator | Protocol | |||||
1 | 1 | x-ray | 100 | PIXEL | PSI PILATUS 6M | 2013-07-16 | M | MAD |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | BESSY BEAMLINE 14.1 | 0.91841, 0.97981, 0.979927,0.975915 | BESSY | 14.1 |
Data Collection
Overall | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge I (Observed) | Rrim I (All) | 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 | 1.8 | 39.73 | 96.8 | 0.031 | 0.037 | 20.46 | 3.4 | 15969 | -3 | 37.195 |
Highest Resolution Shell | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | Rrim I (All) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | ||||||||||
1 | 1.8 | 1.9 | 95.6 | 0.398 | 0.474 | 3.54 |
Refinement
Statistics | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Diffraction ID | Structure Solution Method | Cross Validation method | 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 | MAD | THROUGHOUT | 1.8 | 39.73 | 15170 | 798 | 96.93 | 0.2156 | 0.2131 | 0.2639 | RANDOM | 54.663 |
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] | |
-3.31 | -0.55 | 5.98 | -1.46 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 35.174 |
r_dihedral_angle_4_deg | 20.785 |
r_dihedral_angle_3_deg | 16.856 |
r_dihedral_angle_1_deg | 6.849 |
r_mcangle_it | 4.506 |
r_mcbond_it | 3.151 |
r_mcbond_other | 3.13 |
r_angle_refined_deg | 1.874 |
r_angle_other_deg | 0.904 |
r_chiral_restr | 0.112 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 1108 |
Nucleic Acid Atoms | |
Solvent Atoms | 77 |
Heterogen Atoms | 8 |
Software
Software | |
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Software Name | Purpose |
Coot | model building |
REFMAC | refinement |
PDB_EXTRACT | data extraction |
XSCALE | data scaling |
XDS | data reduction |
SHELXD | phasing |