2W5M
RNASE A-PYROPHOSPHATE ION COMPLEX
X-RAY DIFFRACTION
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | 5.5 | 20% PEG 4000, 0.02M SODIUM CITRATE BUFFER, PH 5.5 | ||
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 2.3 | 46 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 101.332 | α = 90 |
| b = 33.459 | β = 90.23 |
| c = 73.854 | γ = 90 |
| Symmetry | |
|---|---|
| Space Group | C 1 2 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 CCD | MIRRORS | 2001-04-09 | M | SINGLE WAVELENGTH | |||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | SYNCHROTRON | SRS BEAMLINE PX14.2 | SRS | PX14.2 | |
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 | 1.8 | 40 | 95.9 | 0.09 | 9.5 | 2.96 | 22438 | -3 | 30.9 | ||||||||||
| 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 | 1.8 | 1.86 | 97.1 | 0.35 | 4.2 | ||||||||||||||
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 | R-Free | R-Free Selection Details | Mean Isotropic B | ||||||
| X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | THROUGHOUT | PDB ENTRY 1AFU | 1.8 | 73.92 | 21287 | 1150 | 95.9 | 0.187 | 0.185 | 0.222 | RANDOM | 30.88 | ||||||
| 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] | |
| -1 | -0.62 | -0.78 | 1.77 | |||
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| r_dihedral_angle_2_deg | 38.066 |
| r_dihedral_angle_4_deg | 12.976 |
| r_dihedral_angle_3_deg | 11.685 |
| r_dihedral_angle_1_deg | 5.709 |
| r_scangle_it | 5.609 |
| r_scbond_it | 3.583 |
| r_mcangle_it | 2.32 |
| r_angle_refined_deg | 1.387 |
| r_mcbond_it | 1.341 |
| r_chiral_restr | 0.095 |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 1858 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 125 |
| Heterogen Atoms | 18 |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| REFMAC | refinement |
| DENZO | data reduction |
| SCALEPACK | data scaling |
| AMoRE | phasing |
