7AAA
Crystal structure of the catalytic domain of human PARP1 (apo)
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
---|---|---|---|---|
ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION | 8.5 | 293 | 2.45 M ammonium sulfate, 0.1 M Tris pH 8.5 |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.34 | 47.34 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 48.59 | α = 90 |
b = 92.48 | β = 90 |
c = 163.47 | γ = 90 |
Symmetry | |
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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 | PIXEL | DECTRIS PILATUS 6M | 2017-10-26 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | DIAMOND BEAMLINE I03 | 0.97625 | Diamond | I03 |
Data Collection
Overall | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge I (Observed) | Rrim I (All) | Rpim 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 | 1.74 | 48.59 | 99.9 | 0.141 | 0.154 | 0.061 | 0.997 | 10.1 | 6.4 | 76497 | 27.41 |
Highest Resolution Shell | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | Rrim I (All) | Rpim I (All) | CC (Half) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | ||||||||
1 | 1.74 | 1.79 | 99.9 | 1.466 | 1.605 | 0.648 | 0.527 | 6.1 |
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 | internal model | 1.74 | 46.58 | 76403 | 3831 | 99.9 | 0.205 | 0.204 | 0.227 | RANDOM | 32.4 |
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] | |
1.3481 | -3.6992 | 2.3512 |
RMS Deviations | |
---|---|
Key | Refinement Restraint Deviation |
t_other_torsion | 17.3 |
t_omega_torsion | 3.26 |
t_angle_deg | 1.04 |
t_bond_d | 0.01 |
t_dihedral_angle_d | |
t_trig_c_planes | |
t_gen_planes | |
t_it | |
t_nbd | |
t_improper_torsion |
Non-Hydrogen Atoms Used in Refinement | |
---|---|
Non-Hydrogen Atoms | Number |
Protein Atoms | 5456 |
Nucleic Acid Atoms | |
Solvent Atoms | 358 |
Heterogen Atoms | 27 |
Software
Software | |
---|---|
Software Name | Purpose |
XDS | data reduction |
Aimless | data scaling |
AMoRE | phasing |
BUSTER | refinement |
PDB_EXTRACT | data extraction |