Ensemble refinement of the protein crystal structure of human ribonuclease inhibitor complexed with ribonuclease I
X-RAY DIFFRACTION
Starting Model(s)
| Initial Refinement Model(s) | |||
|---|---|---|---|
| Type | Source | Accession Code | Details |
| experimental model | PDB | 1Z7X | PDB entry 1Z7X |
Crystallization
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 2.3 | 46.5 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 71.338 | α = 90 |
| b = 107.546 | β = 90 |
| c = 155.036 | γ = 90 |
| Symmetry | |
|---|---|
| Space Group | P 21 21 21 |
Diffraction
| Diffraction Experiment | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Crystal ID | Scattering Type | Data Collection Temperature | Detector | Detector Type | Details | Collection Date | Monochromator | Protocol | |||||
| 1 | 1 | x-ray | M | SINGLE WAVELENGTH | ||||||||||
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 | Re-refinement using ensemble model | THROUGHOUT | PDB entry 1Z7X | 1.954 | 47.173 | 84366 | 4225 | 96.8 | 0.161 | 0.161 | 0.16 | 0.224 | 0.22 | RANDOM | 23.8 | ||||
| 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] | |
| 0.97 | -0.4 | -0.57 | ||||
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| c_dihedral_angle_d | 23 |
| c_scangle_it | 2.98 |
| c_scbond_it | 2.24 |
| c_mcangle_it | 1.78 |
| c_angle_deg | 1.4 |
| c_mcbond_it | 1.32 |
| c_improper_angle_d | 1 |
| c_bond_d | 0.009 |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 8928 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 854 |
| Heterogen Atoms | 13 |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| CNS | refinement |
| PDB_EXTRACT | data extraction |
| CNS | phasing |
