Isoreticular co-crystal 1 with asymmetrical expanded duplex (31mer) containing insert sequence CGCGCGCGCG
X-RAY DIFFRACTION
Starting Model(s)
| Initial Refinement Model(s) | |||
|---|---|---|---|
| Type | Source | Accession Code | Details |
| experimental model | PDB | 7RVA | |
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | VAPOR DIFFUSION, SITTING DROP | 6.5 | 298 | 80 mM Magnesium acetate, 1.2 M Lithium sulfate, 50 mM MES pH 6.5 |
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 6.62 | 81.43 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 76.032 | α = 90 |
| b = 124.855 | β = 91.846 |
| c = 139.093 | γ = 90 |
| Symmetry | |
|---|---|
| Space Group | I 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 | PIXEL | DECTRIS EIGER X 9M | 2024-12-06 | M | SINGLE WAVELENGTH | ||||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | SYNCHROTRON | ALS BEAMLINE 8.2.1 | 1.0 | ALS | 8.2.1 |
Data Collection
| Overall | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge I (Observed) | Rrim I (All) | Rpim I (All) | CC (Half) | 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 | 3.16 | 46.8 | 99.1 | 0.186 | 0.221 | 0.118 | 0.995 | 4.2 | 3.5 | 21911 | 100.86 | ||||||||
| 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 | 3.16 | 3.35 | 99.7 | 1.062 | 1.251 | 0.655 | 0.737 | 1.1 | 3.6 | ||||||||||
Refinement
| Statistics | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Diffraction ID | Structure Solution Method | Cross Validation method | Resolution (High) | Resolution (Low) | Cut-off Sigma (F) | 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 | FREE R-VALUE | 3.16 | 46.8 | 1.34 | 21911 | 2190 | 98.22 | 0.2904 | 0.2893 | 0.2907 | 0.2994 | 0.2993 | 98.62 | |||||
| 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 | 26.4259 |
| f_angle_d | 0.5537 |
| f_chiral_restr | 0.0399 |
| f_plane_restr | 0.005 |
| f_bond_d | 0.0031 |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 1774 |
| Nucleic Acid Atoms | 1271 |
| Solvent Atoms | |
| Heterogen Atoms | 4 |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| PHENIX | refinement |
| XDS | data reduction |
| XSCALE | data scaling |
| PHASER | phasing |
| Coot | model building |
