Crystal Structure of UDP-N-acetylmuramoylalanine-D-glutamate ligase from Acinetobacter baumannii AB5075-UW in complex with ADP
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 7SIR | apo structure, pdb entry 7SIR |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, SITTING DROP | 7.5 | 287 | Molecular Dimensions Morpheus screen condition a6: 10% (w/V) PEG 8000, 20% (V/V) ethylene gycol: 30mM magnesium chloride and calcium chloride: 100mM MOPS / HEPES pH 7.5: AcbaC.17938.a.B1.PS02380: tray 323738a6: cryo: direct: puck: loi2-1 |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.72 | 54.8 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 54.49 | α = 90 |
b = 91.82 | β = 90 |
c = 106.36 | γ = 90 |
Symmetry | |
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Space Group | P 21 21 21 |
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 | CCD | RAYONIX MX-300 | Beryllium Lenses | 2021-12-09 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | APS BEAMLINE 21-ID-F | 0.97872 | APS | 21-ID-F |
Data Collection
Overall | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge I (Observed) | Rrim 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 | 1.5 | 50 | 100 | 0.062 | 0.066 | 0.998 | 19.03 | 8.094 | 86055 | 27.158 |
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) | CC (Half) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | |||||||||
1 | 1.5 | 1.54 | 100 | 0.444 | 0.474 | 0.931 | 4.49 | 8.083 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Cross Validation method | Starting model | Resolution (High) | Resolution (Low) | Cut-off Sigma (F) | 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 | FREE R-VALUE | apo structure, pdb entry 7SIR | 1.5 | 45.91 | 1.34 | 86052 | 1999 | 99.96 | 0.1502 | 0.1497 | 0.15 | 0.173 | 0.17 | 0 | 31.91 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
f_dihedral_angle_d | 12.7762 |
f_angle_d | 0.9073 |
f_chiral_restr | 0.0587 |
f_plane_restr | 0.0073 |
f_bond_d | 0.0071 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 3283 |
Nucleic Acid Atoms | |
Solvent Atoms | 545 |
Heterogen Atoms | 42 |
Software
Software | |
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Software Name | Purpose |
XDS | data reduction |
XSCALE | data scaling |
PHENIX | refinement |
PDB_EXTRACT | data extraction |
PHASER | phasing |
PHENIX | model building |
Coot | model building |