6QF1
X-Ray structure of Proteinase K crystallized on a silicon chip
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 4B5L |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, SITTING DROP | 6.5 | 295 | 0.1M CHC buffer pH 6.5, 0.6M ammonium sulphate, 10mM calcium chloride |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.19 | 43.86 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 68.467 | α = 90 |
b = 68.467 | β = 90 |
c = 108.272 | γ = 90 |
Symmetry | |
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Space Group | P 43 21 2 |
Diffraction
Diffraction Experiment | ||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Crystal ID | Scattering Type | Data Collection Temperature | Detector | Detector Type | Details | Collection Date | Monochromator | Protocol | |||||
1 | 1 | x-ray | 298 | PIXEL | DECTRIS PILATUS3 6M | 2017-09-22 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | PETRA III, DESY BEAMLINE P11 | 1.0 | PETRA III, DESY | P11 |
Serial Crystallography
Sample delivery method | ||
---|---|---|
Diffraction ID | Description | Sample Delivery Method |
1 | fixed target |
Fixed Target | ||||||
---|---|---|---|---|---|---|
Diffraction ID | Description | Sample Holding | Support Base | Motion control | Sample Solvent | |
1 | single crystalline silicon chip | goniometer |
Data Collection
Overall | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge I (Observed) | Rrim 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 | 1.737 | 44.196 | 99.6 | 0.143 | 0.15 | 0.997 | 10.9 | 11.1 | 27136 | 13.37 |
Highest Resolution Shell | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | Rrim I (All) | CC (Half) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | |||||||||
1 | 1.737 | 1.77 | 99.9 | 0.646 | 0.677 | 0.921 | 3.4 | 11.3 |
Refinement
Statistics | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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 | 4B5L | 1.737 | 44.196 | 1.34 | 27060 | 1995 | 99.12 | 0.1351 | 0.1335 | 0.1558 | 17.6097 |
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 | |
---|---|
Key | Refinement Restraint Deviation |
f_dihedral_angle_d | 10.563 |
f_angle_d | 0.746 |
f_chiral_restr | 0.049 |
f_bond_d | 0.005 |
f_plane_restr | 0.005 |
Non-Hydrogen Atoms Used in Refinement | |
---|---|
Non-Hydrogen Atoms | Number |
Protein Atoms | 2032 |
Nucleic Acid Atoms | |
Solvent Atoms | 190 |
Heterogen Atoms | 30 |
Software
Software | |
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Software Name | Purpose |
PDB_EXTRACT | data extraction |
PHENIX | refinement |
Coot | model building |
PHASER | phasing |
Aimless | data scaling |
XDS | data reduction |