4REC
A nuclease-DNA complex form 3
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
---|---|---|---|---|
ID | Method | pH | Temperature | Details |
1 | micro-batch under oil | 300 | 0.1M potassium iodide, 0.1mM spermidine, 18% PEG3350, 0.1M BisTris propane, micro-batch under oil, temperature 300K |
Crystal Properties | |
---|---|
Matthews coefficient | Solvent content |
2.66 | 53.68 |
Crystal Data
Unit Cell | |
---|---|
Length ( Å ) | Angle ( ˚ ) |
a = 71.91 | α = 90 |
b = 109.6 | β = 90 |
c = 115.86 | γ = 90 |
Symmetry | |
---|---|
Space Group | P 21 21 21 |
Diffraction
Diffraction Experiment | ||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Crystal ID | Scattering Type | Data Collection Temperature | Detector | Detector Type | Details | Collection Date | Monochromator | Protocol | |||||
1 | 1 | x-ray | 100 | CCD | ADSC QUANTUM 315 | 2013-11-15 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | APS BEAMLINE 24-ID-E | 0.9792 | APS | 24-ID-E |
Data Collection
Overall | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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 | 2.2 | 79.6 | 99.9 | 0.09 | 9 | 4.2 | 89742 | 89740 | 55.68 |
Highest Resolution Shell | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | ||||||||||||
1 | 2.2 | 2.3 | 99.9 |
Refinement
Statistics | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Diffraction ID | Structure Solution Method | Starting model | Resolution (High) | Resolution (Low) | Cut-off Sigma (F) | Number Reflections (All) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Factor (Observed) | R-Work | R-Free | Mean Isotropic B | ||||||
X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | an initial model phased by a low-resolution iodine-anomalous dataset | 2.2 | 79.6 | 1.04 | 89742 | 89740 | 2983 | 99.91 | 0.2167 | 0.2154 | 0.2541 | 68.7619 |
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] | |
RMS Deviations | |
---|---|
Key | Refinement Restraint Deviation |
f_dihedral_angle_d | 21.552 |
f_angle_d | 1.152 |
f_chiral_restr | 0.048 |
f_bond_d | 0.009 |
f_plane_restr | 0.006 |
Non-Hydrogen Atoms Used in Refinement | |
---|---|
Non-Hydrogen Atoms | Number |
Protein Atoms | 4778 |
Nucleic Acid Atoms | 814 |
Solvent Atoms | 245 |
Heterogen Atoms | 3 |
Software
Software | |
---|---|
Software Name | Purpose |
PHENIX | refinement |
PDB_EXTRACT | data extraction |
ADSC | data collection |