5IOC
Crystal structure of Staphylococcal nuclease variant Delta+PHS V66H/V99D at cryogenic temperature
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 3BDC | PDB entry 3BDC |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 6 | 277 | 24% MPD, 25 mM potassium phosphate, calcium chloride, pdTp |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.24 | 45.04 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 31.033 | α = 90 |
b = 60.708 | β = 93.3 |
c = 38.55 | 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 | 110 | CCD | AGILENT ATLAS CCD | mirrors | 2015-08-21 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SEALED TUBE | OTHER | 1.54 |
Data Collection
Overall | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge 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 | 1.9 | 50 | 99.9 | 0.018 | 50.93 | 10.4 | 11341 | 28.4 |
Highest Resolution Shell | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | |||||||||||
1 | 1.9 | 1.97 | 100 | 0.111 | 7.12 | 7 |
Refinement
Statistics | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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 | PDB entry 3BDC | 1.9 | 38.49 | 10786 | 540 | 99.93 | 0.1865 | 0.1842 | 0.2348 | RANDOM | 25.397 |
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] | |
0.4 | -0.2 | 0.05 | -0.42 |
RMS Deviations | |
---|---|
Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 37.742 |
r_dihedral_angle_3_deg | 16.663 |
r_dihedral_angle_4_deg | 9.632 |
r_dihedral_angle_1_deg | 6.776 |
r_angle_refined_deg | 1.954 |
r_mcangle_it | 1.866 |
r_mcbond_it | 1.241 |
r_mcbond_other | 1.235 |
r_angle_other_deg | 0.891 |
r_chiral_restr | 0.112 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 1037 |
Nucleic Acid Atoms | |
Solvent Atoms | 65 |
Heterogen Atoms | 26 |
Software
Software | |
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Software Name | Purpose |
XPREP | data reduction |
PHASER | phasing |
REFMAC | refinement |
PDB_EXTRACT | data extraction |
CrysalisPro | data reduction |