8SKO
X-ray structure of the NDM-4 beta-lactamase from Klebsiella pneumonia with L-Captopril bound
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 8SK2 |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 6 | 293 | Enzyme concentrated with 10mM L-captopril. Precipitant: 18 - 26% (w/v) poly(ethylene glycol) 3350, 2% (v/v) dimethyl sulfoxide, and 100 mM MES (pH 6.0) |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.04 | 39.85 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 40.136 | α = 90 |
b = 59.265 | β = 98.5 |
c = 84.241 | 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 | Bruker PHOTON II | 2022-01-18 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SEALED TUBE | BRUKER D8 QUEST | 1.5418 |
Data Collection
Overall | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Sym 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 | 1.3 | 50 | 95.4 | 0.057 | 10.4 | 3.4 | 91595 |
Highest Resolution Shell | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R-Sym I (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | |||||||||||
1 | 1.3 | 1.4 | 88 | 0.29 | 2.5 | 1.9 |
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 | 1.3 | 32.98 | 86986 | 4609 | 95.38 | 0.20007 | 0.19881 | 0.22314 | RANDOM | 10.088 |
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 |
r_dihedral_angle_3_deg | 13.626 |
r_dihedral_angle_2_deg | 7.86 |
r_dihedral_angle_1_deg | 7.205 |
r_long_range_B_refined | 4.107 |
r_long_range_B_other | 3.852 |
r_scangle_other | 2.368 |
r_mcangle_it | 1.624 |
r_mcangle_other | 1.623 |
r_scbond_it | 1.6 |
r_scbond_other | 1.599 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 3404 |
Nucleic Acid Atoms | |
Solvent Atoms | 526 |
Heterogen Atoms | 32 |
Software
Software | |
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Software Name | Purpose |
REFMAC | refinement |
SAINT | data reduction |
SADABS | data scaling |
PHASER | phasing |