4JIJ
Crystal structure of an inactive mutant of MMP-9 catalytic domain in complex with a fluorogenic synthetic peptidic substrate
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 4H3X |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, SITTING DROP | 6 | 293 | Protein: 6 microL hMMP9(E402A) at 181 micro-M 0.12 M acetohydroxamic acid and 0.3 microL IT34-I at 6.9 mill-M. Reservoir: 10% PEG 20K, 0.1 M MMT (L-malic acid, MES, Tris) 75% acid/25% basic, 0.8 M NaCl, 0.02 SrCl2, 0.01% azide. Cryoprotectant: CryoProtX CM2, 0.8 M Li formate, 0.1 M (MMT 75% acid/25% basic), 9% PEG 10K, pH 6.0, VAPOR DIFFUSION, SITTING DROP, temperature 293K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.22 | 44.56 |
Crystal Data
Unit Cell | |
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Length ( ? ) | Angle ( ? ) |
a = 34.2 | ¦Á = 90 |
b = 57.4 | ¦Â = 90 |
c = 172.03 | ¦Ã = 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 PILATUS 6M | mirrors | 2012-02-17 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | SOLEIL BEAMLINE PROXIMA 1 | 0.9184 | SOLEIL | PROXIMA 1 |
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 | 1.698 | 50 | 99.7 | 0.174 | 0.168 | 9.91 | 8.97 | 38532 | 38427 | -3 | 23.385 |
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 | 1.7 | 1.8 | 98.5 | 1.052 | 1.083 | 2.06 | 8.92 | 6144 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Cross Validation method | Starting model | Resolution (High) | Resolution (Low) | Cut-off Sigma (I) | Cut-off Sigma (F) | Number Reflections (All) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Factor (All) | R-Factor (Observed) | R-Work | R-Free | R-Free Selection Details | Mean Isotropic B | ||
X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | THROUGHOUT | 4H3X | 1.698 | 40.568 | -3 | 2.01 | 38427 | 38419 | 1922 | 99.75 | 0.1602 | 0.1615 | 0.1597 | 0.1954 | RANDOM | 18.68 |
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] | |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
f_dihedral_angle_d | 16.904 |
f_angle_d | 1.084 |
f_chiral_restr | 0.08 |
f_bond_d | 0.006 |
f_plane_restr | 0.006 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 2764 |
Nucleic Acid Atoms | |
Solvent Atoms | 410 |
Heterogen Atoms | 61 |
Software
Software | |
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Software Name | Purpose |
DNA | data collection |
MOLREP | phasing |
PHENIX | refinement |
XDS | data reduction |
XDS | data scaling |