3KEK
Crystal Structure of Human MMP-13 complexed with a (pyridin-4-yl)-2H-tetrazole compound
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, SITTING DROP | 8 | 277 | Protein: 5.5 mg/ml MMP-13 with 200 uM surrogate inhibitor in 20mM Tris pH 8.5 and 5 mM CaCl2. reservoir: 1.1-1.6M Li2SO4 in 0.1M Hepes pH 7.4-8.2. drop ratio: 5ul protein + 1 ul reservoir., VAPOR DIFFUSION, SITTING DROP, temperature 277K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.81 | 56.17 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 120.846 | α = 90 |
b = 95.74 | β = 90 |
c = 36.443 | γ = 90 |
Symmetry | |
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Space Group | P 21 21 2 |
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 | 110 | IMAGE PLATE | RIGAKU RAXIS IV | crystal monochromator | 2005-10-13 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | ROTATING ANODE | RIGAKU MICROMAX-002 | 1.54 |
Data Collection
Overall | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge I (Observed) | R Sym 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 | 1.97 | 30 | 100 | 0.086 | 0.086 | 12.5 | 3.6 | 30135 | 30135 | -0.5 | -1 | 21.2 |
Highest Resolution Shell | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | R-Sym I (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | ||||||||||
1.97 | 2.04 | 96.2 | 0.39 | 0.39 | 2.1 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Cross Validation method | 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 | FOURIER SYNTHESIS | THROUGHOUT | 1.97 | 26.14 | 28595 | 1502 | 97.54 | 0.17639 | 0.17422 | 0.2176 | RANDOM | 25.065 |
Temperature Factor Modeling | ||||||
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Anisotropic B[1][1] | Anisotropic B[1][2] | Anisotropic B[1][3] | Anisotropic B[2][2] | Anisotropic B[2][3] | Anisotropic B[3][3] | |
-1.24 | 1.29 | -0.05 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 35.298 |
r_dihedral_angle_4_deg | 24.012 |
r_dihedral_angle_3_deg | 12.695 |
r_dihedral_angle_1_deg | 5.709 |
r_scangle_it | 1.575 |
r_angle_refined_deg | 1.136 |
r_scbond_it | 1.085 |
r_angle_other_deg | 0.804 |
r_mcangle_it | 0.718 |
r_mcbond_it | 0.438 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 2551 |
Nucleic Acid Atoms | |
Solvent Atoms | 576 |
Heterogen Atoms | 76 |
Software
Software | |
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Software Name | Purpose |
CrystalClear | data collection |
REFMAC | refinement |
HKL-2000 | data reduction |
HKL-2000 | data scaling |