8Q5A
Crystal structure of metal-dependent class II sulfofructosephosphate aldolase from Hafnia paralvei HpSqiA-Zn in complex with dihydroxyacetone phosphate (DHAP)
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 8Q58 |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, SITTING DROP | 293 | A crystal of the DHAP complex grew from 14 mg mL-1 enzyme in 50 mM Tris buffer pH 7.4 in a drop with 0.15 uL protein to 0.15 uL mother liquor soaked with SFP for 2 min, with the reservoir solution containing 25% PEG 1,500 w/v, 0.1 M SPG (succinic acid, propionate, glycine) buffer pH 7 |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.44 | 49.58 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 64.605 | α = 90 |
b = 87.669 | β = 90 |
c = 103.3 | γ = 90 |
Symmetry | |
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Space Group | I 2 2 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 2M | 2020-08-10 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | DIAMOND BEAMLINE I03 | 0.97625 | Diamond | I03 |
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 | 2.8 | 34.22 | 99.9 | 0.101 | 0.105 | 0.029 | 0.997 | 17.7 | 12.7 | 7522 |
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 | 2.8 | 2.95 | 100 | 0.439 | 0.456 | 0.123 | 0.971 | 13.4 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Cross Validation method | 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 | 2.8 | 34 | 7129 | 382 | 99.75 | 0.21133 | 0.20793 | 0.27408 | RANDOM | 46.956 |
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] | |
-1.51 | 2.32 | -0.81 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_3_deg | 17.757 |
r_long_range_B_refined | 9.023 |
r_long_range_B_other | 9.021 |
r_mcangle_other | 7.019 |
r_mcangle_it | 7.018 |
r_scangle_other | 6.413 |
r_dihedral_angle_1_deg | 6.224 |
r_dihedral_angle_2_deg | 4.952 |
r_mcbond_it | 4.547 |
r_mcbond_other | 4.547 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 1932 |
Nucleic Acid Atoms | |
Solvent Atoms | 6 |
Heterogen Atoms | 12 |
Software
Software | |
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Software Name | Purpose |
REFMAC | refinement |
Aimless | data scaling |
xia2 | data reduction |
MOLREP | phasing |