Room temperature X-ray diffraction studies of cisplatin binding to HEWL in DMSO media after 14 months of crystal storage - new refinement
X-RAY DIFFRACTION
Starting Model(s)
| Initial Refinement Model(s) | |||
|---|---|---|---|
| Type | Source | Accession Code | Details | 
| experimental model | PDB | 4G4A | |
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details | 
| 1 | BATCH MODE | 4.7 | 295 | HEWL co-crystallized with cisplatin with 5% DMSO media in 1 mL 10% sodium chloride + 1 ml 0.04 M sodium acetate, pH 4.7 | 
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content | 
| 2.07 | 40.68 | 
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) | 
| a = 79.113 | α = 90 | 
| b = 79.113 | β = 90 | 
| c = 37.985 | γ = 90 | 
| Symmetry | |
|---|---|
| Space Group | P 43 21 2 | 
Diffraction
| Diffraction Experiment | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Crystal ID | Scattering Type | Data Collection Temperature | Detector | Detector Type | Details | Collection Date | Monochromator | Protocol | |||||
| 1 | 1 | x-ray | 295 | CCD | APEX II CCD | 2012-01-25 | M | SINGLE WAVELENGTH | ||||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline | 
| 1 | ROTATING ANODE | BRUKER AXS MICROSTAR | 1.5418 | ||
Data Collection
| Overall | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge I (Observed) | R Sym I (Observed) | Rrim I (All) | Rpim I (All) | 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 | 50 | 100 | 0.086 | 0.086 | 0.092 | 0.032 | 8.8 | 7.9 | 8602 | 8602 | -3 | 25.7 | ||||||
| Highest Resolution Shell | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | Rrim I (All) | Rpim I (All) | CC (Half) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | ||||||||
| 1 | 2 | 2.03 | 100 | 0.571 | 0.63 | 0.264 | 0.865 | 2.7 | 5.6 | 411 | |||||||||
Refinement
| Statistics | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Diffraction ID | Structure Solution Method | Cross Validation method | Starting model | 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 | FOURIER SYNTHESIS | THROUGHOUT | 4G4A | 2 | 50 | 8107 | 450 | 99.8 | 0.1481 | 0.1464 | 0.16 | 0.1788 | 0.18 | RANDOM | 28.046 | ||||
| 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] | |
| 0.06 | 0.06 | -0.12 | ||||
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation | 
| r_dihedral_angle_2_deg | 38.32 | 
| r_sphericity_bonded | 30.527 | 
| r_sphericity_free | 25.995 | 
| r_dihedral_angle_4_deg | 23.506 | 
| r_dihedral_angle_3_deg | 14.34 | 
| r_dihedral_angle_1_deg | 6.307 | 
| r_angle_refined_deg | 1.578 | 
| r_mcangle_it | 1.54 | 
| r_angle_other_deg | 1.069 | 
| r_mcbond_it | 0.906 | 
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number | 
| Protein Atoms | 995 | 
| Nucleic Acid Atoms | |
| Solvent Atoms | 75 | 
| Heterogen Atoms | 11 | 
Software
| Software | |
|---|---|
| Software Name | Purpose | 
| REFMAC | refinement | 
| APEX | data collection | 
| HKL-3000 | data reduction | 
| HKL-3000 | data scaling | 
| Coot | model building | 
| PDB_EXTRACT | data extraction | 
| PHASER | phasing | 














