7P1O
Structure of KDNase from Aspergillus Terrerus in complex with 2-keto-3-deoxynononic acid
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 2XZI |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, SITTING DROP | 7 | 293 | 20% PEG 6K, HEPES pH 7, 0.2M Ammonium Chloride |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.63 | 53.18 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 61.123 | α = 90 |
b = 66.832 | β = 90.89 |
c = 92.73 | γ = 90 |
Symmetry | |
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Space Group | P 1 2 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 | 173 | PIXEL | DECTRIS PILATUS 6M-F | 2018-12-16 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | DIAMOND BEAMLINE I04-1 | 0.9159 | Diamond | I04-1 |
Data Collection
Overall | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge I (Observed) | 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 | 1.43 | 92.72 | 98.8 | 0.075 | 0.996 | 8.4 | 3.3 | 98624 |
Highest Resolution Shell | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | CC (Half) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | ||||||||||
1 | 1.43 | 1.47 | 97.8 | 0.921 | 0.396 | 1 | 2.8 |
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 | 2xzi | 1.6 | 92.72 | 92876 | 4724 | 98.96 | 0.1559 | 0.1546 | 0.1836 | RANDOM | 18.7865 |
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] | |
-1.02 | 0.02 | 0.96 | 0.06 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 31.197 |
r_dihedral_angle_4_deg | 13.674 |
r_dihedral_angle_3_deg | 11.36 |
r_dihedral_angle_1_deg | 6.726 |
r_angle_refined_deg | 1.406 |
r_angle_other_deg | 0.754 |
r_chiral_restr | 0.082 |
r_bond_refined_d | 0.01 |
r_gen_planes_refined | 0.007 |
r_bond_other_d | 0.001 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 5928 |
Nucleic Acid Atoms | |
Solvent Atoms | 795 |
Heterogen Atoms | 43 |
Software
Software | |
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Software Name | Purpose |
REFMAC | refinement |
xia2 | data reduction |
DIALS | data scaling |
PHASER | phasing |