4WQ3
Human calpain PEF(S) with (2Z,2Z')-2,2'-disulfanediylbis(3-(6-bromoindol-3-yl)acrylic acid) bound
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, SITTING DROP | 7 | 294 | 3 UL PROTEIN (10 MG/ML PEF(S), 5 MM SODIUM CACODYLATE, 2 MM EDTA, 5 MM BME, 1 MM CALCIUM CHLORIDE, PH 7.0) + 3 UL PRECIPITANT (50 MM SODIUM CACODYLATE, 12.5% PEG6000, 20 MM CALCIUM CHLORIDE, PH 7.0) + 1 UL WATER |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.8 | 56.04 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 49.56 | α = 90 |
b = 79.31 | β = 91.47 |
c = 57.02 | γ = 90 |
Symmetry | |
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Space Group | P 1 21 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 | PIXEL | DECTRIS PILATUS 2M | 2013-03-16 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | DIAMOND BEAMLINE I04-1 | 0.920 | Diamond | I04-1 |
Data Collection
Overall | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge 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 | 1.79 | 39.65 | 97.6 | 0.071 | 0.043 | 0.994 | 11 | 3.7 | 40565 |
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 | 1.79 | 1.84 | 99.8 | 0.634 | 0.368 | 0.744 | 2 | 3.9 | 3101 |
Refinement
Statistics | |||||||||||||||||||
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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 | 4phj | 1.79 | 39.65 | 38513 | 2031 | 97.49 | 0.1795 | 0.1776 | 0.2149 | RANDOM | 29.752 |
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] | |
-0.04 | -0.76 | 0.62 | -0.54 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 28.992 |
r_dihedral_angle_4_deg | 17.653 |
r_dihedral_angle_3_deg | 15.124 |
r_dihedral_angle_1_deg | 5.959 |
r_mcangle_it | 2.551 |
r_angle_refined_deg | 2.024 |
r_mcbond_it | 1.8 |
r_mcbond_other | 1.799 |
r_angle_other_deg | 1.016 |
r_chiral_restr | 0.135 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 2806 |
Nucleic Acid Atoms | |
Solvent Atoms | 297 |
Heterogen Atoms | 136 |
Software
Software | |
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Software Name | Purpose |
Aimless | data scaling |
Coot | model building |
REFMAC | refinement |
PDB_EXTRACT | data extraction |
xia2 | data reduction |
PHASER | phasing |