5I12
Crystal structure of the catalytic domain of MMP-9 in complex with a selective sugar-conjugated arylsulfonamide carboxylate water-soluble inhibitor (DC27).
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 | 7.25 | 293 | protein solution: 415.2 micro-M MMP9 WT + 0.120 M Acetohydroxamic acid in 20 mM Tris pH 7.0 with 0.001 M inhibitor DC27 and 10% DMSO. precipitant: 40% MPEG 5K ; 0.1 M bicine ; pH 7.25 sitting drops of 1 micro-L protein solution and 1 micro-L precipitant solution. cryoprotectant:_40% cryomix CM2 (25 % di-ethylene glycol + 25 % glycerol + 25 % 1,2-propanediol), 10% PEG 10K, 200 milli-M NaCl, 100 milli-M Na propionate, Na cacodylate, Bis-Tris-propane (PCTP 50% acid/50% basic) pH 7.0 + 0.001 M inhibitor DC27. |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.1 | 41.5 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 39.56 | α = 90 |
b = 39.56 | β = 90 |
c = 163.55 | 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 | PIXEL | DECTRIS PILATUS 2M | mirrors | 2014-06-19 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | ESRF BEAMLINE ID23-2 | 0.8729 | ESRF | ID23-2 |
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 | 1.59 | 35 | 99.7 | 0.115 | 0.111 | 15.04 | 13.2 | 20981 | -3 | 27.18 |
Highest Resolution Shell | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | |||||||||||
1 | 1.59 | 1.63 | 96.8 | 1.63 | 1.65 | 13.7 |
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 | THROUGHOUT | 4H3X | 1.59 | 34.26 | 1.36 | 20929 | 1047 | 99.7 | 0.19 | 0.188 | 0.228 |
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 | 15.884 |
f_angle_d | 1.033 |
f_chiral_restr | 0.044 |
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 | 1249 |
Nucleic Acid Atoms | |
Solvent Atoms | 117 |
Heterogen Atoms | 71 |
Software
Software | |
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Software Name | Purpose |
PHENIX | refinement |
XDS | data reduction |
XSCALE | data scaling |
MOLREP | phasing |
Coot | model building |