6BQC
Cyclopropane fatty acid synthase from E. coli
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 1KPH | 1KPH chain C (poly Ala) |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 291 | 2.5 mg/ml protein (in 50 mM HEPES pH 7.5, 100 mM NaCl, 10% glycerol, 50 mM L-glutamate and 50 mM L-arginine) was mixed with equal volume of well solution consisting of 0.1 M Bis-tris pH 5.5, 0.1 M ammonium acetate (untitrated) and 2.5% PEG-3350 |
Crystal Properties | |
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Matthews coefficient | Solvent content |
3.47 | 64.5 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 75.425 | α = 90 |
b = 102.981 | β = 90 |
c = 157.031 | γ = 90 |
Symmetry | |
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Space Group | C 2 2 21 |
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 PILATUS3 6M | 2017-08-07 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | APS BEAMLINE 24-ID-C | 0.97918 | APS | 24-ID-C |
Data Collection
Overall | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge I (Observed) | Rrim I (All) | Rpim 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 | 2.07 | 50 | 98.5 | 0.107 | 0.114 | 0.039 | 6 | 7.6 | 36965 | 36.6 |
Highest Resolution Shell | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | Rrim I (All) | Rpim I (All) | CC (Half) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | ||||||||
1 | 2.07 | 2.11 | 87 | 0.73 | 0.869 | 0.457 | 0.584 | 2.8 |
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 | THROUGHOUT | 1KPH chain C (poly Ala) | 2.073 | 48.927 | 1.35 | 36923 | 1887 | 98.48 | 0.1719 | 0.1702 | 0.2052 | 43.4532 |
Temperature Factor Modeling | ||||||
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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 | 19.636 |
f_angle_d | 0.797 |
f_chiral_restr | 0.067 |
f_bond_d | 0.006 |
f_plane_restr | 0.005 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 2822 |
Nucleic Acid Atoms | |
Solvent Atoms | 188 |
Heterogen Atoms | 203 |
Software
Software | |
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Software Name | Purpose |
HKL-2000 | data collection |
HKL-2000 | data scaling |
PHASER | phasing |
PHENIX | refinement |
PDB_EXTRACT | data extraction |