7RN9
Crystal structure of caspase-3 with inhibitor Ac-VDFVD-CHO
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 293 | 15% PEG 6000, 5% glycerol (v:v), 100 mM sodium citrate pH 5.3, 10 mM DTT, and 30 mM NaN3 |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.47 | 50.24 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 67.472 | α = 90 |
b = 85.195 | β = 90 |
c = 97.61 | γ = 90 |
Symmetry | |
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Space Group | P 21 21 21 |
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 | DECTRIS EIGER2 X 9M | 2020-03-15 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | APS BEAMLINE 17-ID | 1.0 | APS | 17-ID |
Data Collection
Overall | |||||||||||||||||||
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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 | 1.67 | 64.19 | 97.3 | 0.067 | 0.072 | 0.028 | 0.998 | 14.3 | 6.4 | 64636 |
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 | 1.67 | 1.76 | 91.7 | 0.417 | 0.484 | 0.241 | 0.914 | 3.6 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Cross Validation method | Starting model | Resolution (High) | Resolution (Low) | Cut-off Sigma (F) | 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 | FREE R-VALUE | 2H65 | 1.67 | 42.35 | 1.35 | 64475 | 3280 | 97.05 | 0.1845 | 0.1831 | 0.2099 | 24.23 |
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 | |
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Key | Refinement Restraint Deviation |
f_dihedral_angle_d | 18.6703 |
f_angle_d | 0.9258 |
f_chiral_restr | 0.0598 |
f_bond_d | 0.0077 |
f_plane_restr | 0.0052 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 3803 |
Nucleic Acid Atoms | |
Solvent Atoms | 289 |
Heterogen Atoms |
Software
Software | |
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Software Name | Purpose |
Aimless | data scaling |
PHENIX | refinement |
PDB_EXTRACT | data extraction |
AutoProcess | data reduction |
PHASER | phasing |
JDirector | data collection |