Crystal Structure Analysis of the K2 Cleaved Adhesin Domain of Lys-gingipain (Kgp)
X-RAY DIFFRACTION
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | VAPOR DIFFUSION, SITTING DROP | 5.6 | 298 | 2.0M Ammonium sulfate, 0.2M Ammonium nitrate, 0.1M Na citrate, pH 5.6, VAPOR DIFFUSION, SITTING DROP, temperature 298K |
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 1.97 | 37.64 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 29.911 | α = 90 |
| b = 59.858 | β = 94.23 |
| c = 85.672 | γ = 90 |
| Symmetry | |
|---|---|
| Space Group | P 1 21 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 | CCD | ADSC QUANTUM 210r | 2008-07-15 | M | SINGLE WAVELENGTH | ||||||
| 2 | 1 | x-ray | 100 | CCD | MARMOSAIC 300 mm CCD | 2008-02-24 | M | MAD | ||||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | SYNCHROTRON | AUSTRALIAN SYNCHROTRON BEAMLINE MX1 | 0.95667 | Australian Synchrotron | MX1 |
| 2 | SYNCHROTRON | APS BEAMLINE 23-ID-B | 0.97949, 0.97962, 0.94947 | APS | 23-ID-B |
Data Collection
| Overall | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge 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 | ||||||||
| 1,2 | 1.4 | 17 | 94.8 | 0.058 | 11.8 | 3.6 | 56082 | ||||||||||||
| Highest Resolution Shell | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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) | |||||||||||
| 1.4 | 1.42 | 96 | 0.266 | 3.6 | 2864 | ||||||||||||||
Refinement
| Statistics | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 (Depositor) | R-Work (DCC) | R-Free (Depositor) | R-Free (DCC) | R-Free Selection Details | Mean Isotropic B | |||||
| X-RAY DIFFRACTION | MAD | THROUGHOUT | 1.4 | 15.32 | 56068 | 2829 | 94.7 | 0.177 | 0.175 | 0.18 | 0.208 | 0.22 | RANDOM | 14.589 | |||||
| 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] | |
| -0.67 | -0.06 | 0.79 | -0.12 | |||
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| r_dihedral_angle_2_deg | 32.258 |
| r_dihedral_angle_4_deg | 13.482 |
| r_dihedral_angle_3_deg | 11.145 |
| r_dihedral_angle_1_deg | 7.915 |
| r_scangle_it | 4.016 |
| r_scbond_it | 2.979 |
| r_mcangle_it | 2.461 |
| r_mcbond_it | 1.773 |
| r_angle_refined_deg | 1.492 |
| r_angle_other_deg | 0.867 |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 2646 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 304 |
| Heterogen Atoms | 23 |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| DENZO | data reduction |
| SCALEPACK | data scaling |
| REFMAC | refinement |
| PDB_EXTRACT | data extraction |
| Blu-Ice | data collection |
| HKL-2000 | data reduction |
| HKL-2000 | data scaling |
| SHELXCD | phasing |
| SHELXE | model building |














