8QJL
SmNuc1 nuclease from Stenotrophomonas maltophilia
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 5FB9 |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, SITTING DROP | 5.5 | 293 | 0.2 M Lithium sulfate, 0.1 M BIS-TRIS pH 5.5, 25% w/v Polyethylene glycol 3,350. Protein concentration 7.5 mg/ml. Cryo-protection by glycerol 20 % v/v. |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.36 | 47.9 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 72.47 | α = 90 |
b = 72.97 | β = 90 |
c = 49.95 | 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 | Bruker PHOTON II | HELIOS MX, Ga | 2019-10-14 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | LIQUID ANODE | Excillum MetalJet D2 70 kV | 1.3418 |
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 | 1.4 | 41.22 | 96 | 0.118 | 0.122 | 0.999 | 19.9 | 14.3 | 50815 | 8.9 |
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 | 1.4 | 1.42 | 98.1 | 1.166 | 1.32 | 0.509 | 4.3 |
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 (All) | R-Factor (Observed) | R-Work | R-Free | R-Free Selection Details | Mean Isotropic B | ||||||
X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | FREE R-VALUE | 1.4 | 41.22 | 50768 | 2516 | 95.923 | 0.123 | 0.1228 | 0.1186 | 0.1612 | Random | 13.934 |
Temperature Factor Modeling | ||||||
---|---|---|---|---|---|---|
Anisotropic B[1][1] | Anisotropic B[1][2] | Anisotropic B[1][3] | Anisotropic B[2][2] | Anisotropic B[2][3] | Anisotropic B[3][3] | |
0.242 | -0.052 | -0.19 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 30.219 |
r_dihedral_angle_4_deg | 18.013 |
r_dihedral_angle_other_3_deg | 13.792 |
r_dihedral_angle_3_deg | 11.907 |
r_dihedral_angle_1_deg | 6.262 |
r_lrange_it | 3.66 |
r_scangle_it | 2.294 |
r_scangle_other | 2.294 |
r_lrange_other | 2.176 |
r_scbond_it | 2.022 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 1907 |
Nucleic Acid Atoms | |
Solvent Atoms | 455 |
Heterogen Atoms | 30 |
Software
Software | |
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Software Name | Purpose |
REFMAC | refinement |
XDS | data reduction |
XSCALE | data scaling |
MOLREP | phasing |
Coot | model building |
Aimless | data scaling |