Crystal structure of Pseudomonas 7A Glutaminase-Asparaginase in complex with L-Glu at pH 6.5
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 4PGA | PDB entry 4PGA |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 6.5 | 293 | 8% w/v Tacsimate, pH 6.5, 17% w/v PEG3350 |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.54 | 51.53 |
Crystal Data
Unit Cell | |
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Length ( ? ) | Angle ( ? ) |
a = 81.542 | ¦Á = 90 |
b = 130.791 | ¦Â = 117.82 |
c = 81.548 | ¦Ã = 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 EIGER X 16M | 2019-10-19 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | APS BEAMLINE 22-ID | 1.0 | APS | 22-ID |
Data Collection
Overall | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge I (Observed) | 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 | 1.35 | 34.8 | 96.9 | 0.048 | 0.033 | 0.973 | 16 | 2.7 | 319520 |
Highest Resolution Shell | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | Rpim I (All) | CC (Half) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | |||||||||
1 | 1.35 | 1.39 | 94.5 | 0.547 | 0.402 | 0.579 | 2 | 2.6 |
Refinement
Statistics | |||||||||||||||||||
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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 (Depositor) | R-Work (DCC) | R-Free (Depositor) | R-Free (DCC) | R-Free Selection Details | Mean Isotropic B | ||||
X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | THROUGHOUT | PDB entry 4PGA | 1.35 | 34.76 | 302518 | 3218 | 92.64 | 0.1231 | 0.1229 | 0.13 | 0.1494 | 0.15 | RANDOM | 15.081 |
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] | |
-2.49 | 4.68 | 2.92 | -0.42 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 38.69 |
r_sphericity_free | 19.219 |
r_dihedral_angle_4_deg | 14.565 |
r_dihedral_angle_3_deg | 13.897 |
r_sphericity_bonded | 6.786 |
r_dihedral_angle_1_deg | 6.468 |
r_rigid_bond_restr | 2.887 |
r_angle_refined_deg | 2.121 |
r_angle_other_deg | 1.163 |
r_chiral_restr | 0.147 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 9728 |
Nucleic Acid Atoms | |
Solvent Atoms | 1204 |
Heterogen Atoms | 90 |
Software
Software | |
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Software Name | Purpose |
HKL-3000 | data scaling |
REFMAC | refinement |
PDB_EXTRACT | data extraction |
HKL-3000 | data reduction |
PHASER | phasing |