4ZVQ
Caspase-7 Variant 2 (V2) with reprogrammed substrate specificity due to Y230V/W232M/Q276C substitutions bound to VEID inhibitor.
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 3EDR |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 5 | 277 | 300 mM diammonium citrate, 14% PEG 3350, 10 mM GuHCl, 20% glycerol |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.95 | 58.29 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 86.89 | α = 90 |
b = 86.89 | β = 90 |
c = 187.711 | γ = 120 |
Symmetry | |
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Space Group | P 32 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 | 100 | CCD | ADSC QUANTUM 315 | 2014-10-29 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | APS BEAMLINE 24-ID-E | 0.97919 | APS | 24-ID-E |
Data Collection
Overall | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Sym I (Observed) | 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 | 2.5 | 93.86 | 100 | 0.097 | 0.042 | 0.997 | 12.4 | 6.7 | 29209 | 38.19 |
Highest Resolution Shell | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | Rpim I (All) | CC (Half) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | |||||||||
1 | 2.5 | 2.6 | 100 | 0.53 | 0.231 | 0.86 | 3.4 | 6.9 | 3233 |
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 | R-Free Selection Details | Mean Isotropic B | |||||
X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | FREE R-VALUE | 3EDR | 2.5 | 69.846 | 0.05 | 29152 | 1415 | 99.93 | 0.1769 | 0.1753 | 0.2079 | Random selection |
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 | 14.567 |
f_angle_d | 0.87 |
f_chiral_restr | 0.034 |
f_bond_d | 0.003 |
f_plane_restr | 0.003 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 3775 |
Nucleic Acid Atoms | |
Solvent Atoms | 99 |
Heterogen Atoms |
Software
Software | |
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Software Name | Purpose |
PHENIX | refinement |
iMOSFLM | data reduction |
PHASER | phasing |
PDB_EXTRACT | data extraction |
SCALA | data scaling |