4BQ0
Pseudomonas aeruginosa beta-alanine:pyruvate aminotransferase holoenzyme without divalent cations on dimer-dimer interface
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 4B9B | PDB ENTRY 4B9B |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | MICROBATCH | 5.5 | 10 MG/ML PROTEIN, 50MM SODIUM CHLORIDE, 30 MM PYRUVATE, 100 MM SODIUM CITRATE, 20% W/V PEG 3000, PH 5.5, MICROBATCH CRYSTALLIZATION METHOD |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.13 | 41.9 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 111.95 | α = 90 |
b = 192.18 | β = 90 |
c = 76.72 | γ = 90 |
Symmetry | |
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Space Group | P 21 21 2 |
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 | 2011-10-06 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | DIAMOND BEAMLINE I24 | Diamond | I24 |
Data Collection
Overall | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge I (Observed) | 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 | 1.77 | 64 | 99 | 0.13 | 12.3 | 13.2 | 2104915 | 25.9 |
Highest Resolution Shell | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | |||||||||||
1 | 1.77 | 1.82 | 98.1 | 0.79 | 3.1 | 12.1 |
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 | R-Free | R-Free Selection Details | Mean Isotropic B | ||||||
X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | THROUGHOUT | PDB ENTRY 4B9B | 1.77 | 63.37 | 151295 | 7988 | 98.98 | 0.21886 | 0.21584 | 0.27574 | RANDOM | 25.264 |
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] | |
4.85 | -2.87 | -1.99 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 35.394 |
r_dihedral_angle_4_deg | 20.767 |
r_dihedral_angle_3_deg | 15.606 |
r_dihedral_angle_1_deg | 6.069 |
r_mcangle_it | 4.854 |
r_scbond_it | 4.72 |
r_mcbond_it | 4.258 |
r_angle_refined_deg | 1.451 |
r_chiral_restr | 0.1 |
r_bond_refined_d | 0.01 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 13292 |
Nucleic Acid Atoms | |
Solvent Atoms | 1674 |
Heterogen Atoms | 68 |
Software
Software | |
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Software Name | Purpose |
XDS | data reduction |
xia2 | data reduction |
Aimless | data scaling |
MOLREP | phasing |
Zanuda | phasing |
REFMAC | refinement |