6CZP
2.2 Angstrom Resolution Crystal Structure Oxygen-Insensitive NAD(P)H-dependent Nitroreductase NfsB from Vibrio vulnificus in Complex with FMN
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 1ICR |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, SITTING DROP | 8.5 | 292 | Protein: 17.0 mg/ml, 0.3M Sodium chloride, 0.01M HEPES pH 7.5, Screen: 0.2M Magnesium chloride, 0.1M Tris pH 8.5, 25% (w/v) PEG3350, Cryo: paratone |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.35 | 47.8 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 118.769 | α = 90 |
b = 119.659 | β = 90 |
c = 131.175 | 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 | MARMOSAIC 300 mm CCD | C(111) | 2018-03-14 | 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) | R Sym I (Observed) | Rrim I (All) | Rpim I (All) | 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 | 2.2 | 30 | 100 | 0.129 | 0.129 | 0.138 | 0.048 | 38.3 | 7.8 | 88464 | -3 | 48.5 |
Highest Resolution Shell | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | R-Sym I (Observed) | Rrim I (All) | Rpim I (All) | CC (Half) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | |||||||
1 | 2.2 | 2.24 | 100 | 0.768 | 0.768 | 0.826 | 0.3 | 0.852 | 3.1 | 7.3 |
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 | 1ICR | 2.24 | 29.91 | 83952 | 4434 | 97.58 | 0.17962 | 0.17733 | 0.22392 | RANDOM | 49.134 |
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] | |
-1.72 | 3.56 | -1.84 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 18.525 |
r_dihedral_angle_4_deg | 12.85 |
r_dihedral_angle_3_deg | 9.108 |
r_long_range_B_refined | 6.633 |
r_long_range_B_other | 6.606 |
r_scangle_other | 3.343 |
r_mcangle_it | 2.458 |
r_mcangle_other | 2.458 |
r_dihedral_angle_1_deg | 2.165 |
r_scbond_it | 2.136 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 13691 |
Nucleic Acid Atoms | |
Solvent Atoms | 627 |
Heterogen Atoms | 320 |
Software
Software | |
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Software Name | Purpose |
REFMAC | refinement |
HKL-3000 | data reduction |
HKL-3000 | data scaling |
PHENIX | phasing |