5EK8
Crystal structure of a 9R-lipoxygenase from Cyanothece PCC8801 at 2.7 Angstroms
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, SITTING DROP | 7.5 | 277 | 40% pentaerythritol propoxylate (5/4 PO/OH), 0.14 M KCl and 50 mM HEPES |
Crystal Properties | |
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Matthews coefficient | Solvent content |
3.25 | 62.1 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 121.166 | α = 90 |
b = 121.166 | β = 90 |
c = 234.673 | γ = 120 |
Symmetry | |
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Space Group | P 64 2 2 |
Diffraction
Diffraction Experiment | ||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Crystal ID | Scattering Type | Data Collection Temperature | Detector | Detector Type | Details | Collection Date | Monochromator | Protocol | |||||
1 | 1 | x-ray | 100 | CCD | MARMOSAIC 225 mm CCD | 2010-11-10 | M | MAD |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | EMBL/DESY, HAMBURG BEAMLINE X12 | 0.91736, 1.03663 | EMBL/DESY, HAMBURG | X12 |
Data Collection
Overall | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge I (Observed) | R Sym 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 | 2.7 | 20 | 99.7 | 0.087 | 0.099 | 0.091 | 19.6 | 5.5 | 28717 | 28631 | -3 | 50.82 |
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 | 2.7 | 2.8 | 99.9 | 0.675 | 0.824 | 1.79 | 4.7 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Cross Validation method | 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 | R-Free Selection Details | Mean Isotropic B | ||||||
X-RAY DIFFRACTION | SIRAS | FREE R-VALUE | 2.7 | 19.763 | 1.32 | 28582 | 1444 | 99.74 | 0.201 | 0.1986 | 0.2462 | Random selection |
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 | 13.968 |
f_angle_d | 0.823 |
f_chiral_restr | 0.033 |
f_bond_d | 0.004 |
f_plane_restr | 0.004 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 5403 |
Nucleic Acid Atoms | |
Solvent Atoms | 51 |
Heterogen Atoms | 2 |
Software
Software | |
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Software Name | Purpose |
PHENIX | refinement |
XSCALE | data scaling |
PDB_EXTRACT | data extraction |
XDS | data reduction |
SHELXCD | phasing |
autoSHARP | phasing |
ARP | model building |