Snapshots of the RNA processing factor SCAF8 bound to different phosphorylated forms of the Carboxy-Terminal Domain of RNA-Polymerase II
X-RAY DIFFRACTION
Starting Model(s)
| Initial Refinement Model(s) | |||
|---|---|---|---|
| Type | Source | Accession Code | Details |
| experimental model | PDB | 3D9I | PDB entry 3D9I |
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | VAPOR DIFFUSION, HANGING DROP | 5.5 | 298 | 0.1 M citric acid, 2.8 M (NH4)2SO4, 1% (v/v) glycerol , pH 5.5, VAPOR DIFFUSION, HANGING DROP, temperature 298K |
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 2.62 | 53.14 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 57.62 | α = 90 |
| b = 57.62 | β = 90 |
| c = 107.15 | γ = 90 |
| Symmetry | |
|---|---|
| Space Group | P 43 |
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 | MARMOSAIC 225 mm CCD | 2006-12-16 | M | SINGLE WAVELENGTH | ||||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | SYNCHROTRON | SLS BEAMLINE X10SA | 1.0007 | SLS | X10SA |
Data Collection
| Overall | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Sym 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 | 1.6 | 41 | 97.3 | 0.04 | 24 | 4 | 44703 | 29.6 | |||||||||||
| Highest Resolution Shell | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R-Sym I (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | |||||||||||
| 1 | 1.6 | 1.7 | 94.3 | 0.271 | 6.1 | 3.8 | 7158 | ||||||||||||
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 | PDB entry 3D9I | 1.6 | 40.76 | 43194 | 2141 | 98.66 | 0.17987 | 0.17853 | 0.18 | 0.20568 | 0.21 | RANDOM | 30.831 | ||||
| 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] | |
| 0.4 | 0.4 | -0.81 | ||||
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| r_dihedral_angle_2_deg | 36.128 |
| r_dihedral_angle_4_deg | 14.655 |
| r_dihedral_angle_3_deg | 12.22 |
| r_dihedral_angle_1_deg | 4.294 |
| r_scangle_it | 3.328 |
| r_scbond_it | 2.259 |
| r_mcangle_it | 1.37 |
| r_angle_refined_deg | 1.366 |
| r_mcbond_it | 0.867 |
| r_nbtor_refined | 0.315 |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 2261 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 230 |
| Heterogen Atoms | 86 |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| REFMAC | refinement |
| MAR345 | data collection |
| XDS | data reduction |
| XSCALE | data scaling |
| REFMAC | phasing |














