6I0K
Structure of quinolinate synthase in complex with 4-mercaptophthalic acid
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 6F48 |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION | 7 | 298 | PEG33500, NaCl, Na2HPO4, MES, anaerobic |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.28 | 46.13 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 55.7 | α = 90 |
b = 48.38 | β = 107.66 |
c = 60.64 | γ = 90 |
Symmetry | |
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Space Group | P 1 21 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-F | 2016-08-17 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | ESRF BEAMLINE ID29 | 1.07438 | ESRF | ID29 |
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) | 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 | 1.6 | 46.8 | 98.7 | 0.085 | 0.096 | 0.045 | 0.997 | 8.7 | 4.4 | 40160 |
Highest Resolution Shell | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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 | 1.6 | 1.66 | 99.5 | 1.476 | 1.669 | 0.77 | 0.314 | 4.6 |
Refinement
Statistics | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Diffraction ID | Structure Solution Method | Cross Validation method | Starting model | 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 | MOLECULAR REPLACEMENT | THROUGHOUT | 6F48 | 1.64 | 46.8 | 35414 | 1845 | 98.33 | 0.1589 | 0.1564 | 0.206 | RANDOM | 32.414 |
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] | |
-0.4 | -1.03 | 0.33 | 0.61 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 34.498 |
r_sphericity_free | 20.632 |
r_dihedral_angle_4_deg | 17.636 |
r_dihedral_angle_3_deg | 13.548 |
r_sphericity_bonded | 9.838 |
r_dihedral_angle_1_deg | 5.653 |
r_rigid_bond_restr | 1.582 |
r_angle_refined_deg | 1.38 |
r_angle_other_deg | 1.318 |
r_chiral_restr | 0.083 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 2384 |
Nucleic Acid Atoms | |
Solvent Atoms | 267 |
Heterogen Atoms | 27 |
Software
Software | |
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Software Name | Purpose |
XDS | data reduction |
Aimless | data scaling |
REFMAC | refinement |
PDB_EXTRACT | data extraction |
PHASER | phasing |