Crystal structure of mutant MMP-9 catalytic domain in complex with a twin inhibitor.
X-RAY DIFFRACTION
Starting Model(s)
| Initial Refinement Model(s) | |||
|---|---|---|---|
| Type | Source | Accession Code | Details | 
| experimental model | PDB | 4H1Q | |
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details | 
| 1 | 8 | 293 | Protein: MMP9h Nter=GFQT E402Q V391Q at 384.3 micro-M with 120 milli-M AHA Reservoir: 10% MPEG 20K, 100mM PCTP 75/25, 1.5 NaCl. Cryoprotectant: 12.5% di-ethylene glycol, 12.5% DMSO, 12.5% MPD, 12.5% 1,2-propnaediol, 25% glycerol, 9% PEG 10K, 100 milli-M PCTP 80/20, 1.5 NaCl , pH 8.0, VAPOR DIFFUSION, SITTING DROP, temperature 293K | |
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content | 
| 2.4 | 48.83 | 
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) | 
| a = 39.9 | α = 90.03 | 
| b = 98.86 | β = 111.95 | 
| c = 47.13 | γ = 89.98 | 
| Symmetry | |
|---|---|
| Space Group | P 1 | 
Diffraction
| Diffraction Experiment | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 | 2012-07-04 | M | SINGLE WAVELENGTH | |||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline | 
| 1 | SYNCHROTRON | SOLEIL BEAMLINE PROXIMA 1 | SOLEIL | PROXIMA 1 | |
Data Collection
| Overall | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 | 1.9 | 50 | 86.8 | 0.132 | 0.104 | 6.35 | 2.25 | 45622 | -3 | 29.73 | |||||||||
| Highest Resolution Shell | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 | 1.9 | 2.02 | 68.6 | 0.773 | 0.694 | 1.21 | 2.17 | ||||||||||||
Refinement
| Statistics | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Diffraction ID | Structure Solution Method | Starting model | Resolution (High) | Resolution (Low) | Cut-off Sigma (F) | Number Reflections (All) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Factor (Observed) | R-Work (Depositor) | R-Work (DCC) | R-Free (Depositor) | R-Free (DCC) | Mean Isotropic B | ||||
| X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | 4H1Q | 1.9 | 33.46 | 1.99 | 45622 | 45613 | 2512 | 87 | 0.209 | 0.207 | 0.2 | 0.241 | 0.23 | 19.98 | ||||
| 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 | |
|---|---|
| Key | Refinement Restraint Deviation | 
| f_dihedral_angle_d | 18.183 | 
| f_angle_d | 1.233 | 
| f_chiral_restr | 0.081 | 
| f_plane_restr | 0.015 | 
| f_bond_d | 0.008 | 
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number | 
| Protein Atoms | 5100 | 
| Nucleic Acid Atoms | |
| Solvent Atoms | 704 | 
| Heterogen Atoms | 223 | 
Software
| Software | |
|---|---|
| Software Name | Purpose | 
| DNA | data collection | 
| MOLREP | phasing | 
| PHENIX | refinement | 
| XDS | data reduction | 
| XDS | data scaling | 














