crystal structure of the mid, cap-binding, mid-link and 627 domains from avian influenza a virus polymerase PB2 subunit bound to M7GTP
X-RAY DIFFRACTION
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details | 
| 1 | 5 | 0.1 M TRI-SODIUM CITRATE PH 5 10 % POLYETHYLENE GLYCOL MONOMETHYL ETHER 5000 | ||
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content | 
| 3.1 | 60.2 | 
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) | 
| a = 97.27 | α = 90 | 
| b = 97.27 | β = 90 | 
| c = 126.22 | γ = 120 | 
| Symmetry | |
|---|---|
| Space Group | P 32 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 PILATUS 2M | 2015-01-24 | M | SINGLE WAVELENGTH | ||||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline | 
| 1 | SYNCHROTRON | ESRF BEAMLINE ID29 | ESRF | ID29 | |
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 | 2.4 | 50 | 100 | 0.15 | 12.2 | 10.5 | 26542 | ||||||||||||
| 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 | 2.4 | 2.48 | 100 | 1.31 | 2.04 | 10.5 | |||||||||||||
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 | MOLECULAR REPLACEMENT | THROUGHOUT | PDB ENTRIES 4WSB, 4CB4, 3KC6 | 2.4 | 84.24 | 26430 | 1145 | 99.96 | 0.21329 | 0.21242 | 0.22 | 0.23368 | 0.24 | RANDOM | 75.89 | ||||
| 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] | |
| 0.77 | 0.39 | 0.77 | -2.51 | |||
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation | 
| r_dihedral_angle_2_deg | 30.552 | 
| r_dihedral_angle_4_deg | 13.627 | 
| r_dihedral_angle_3_deg | 12.914 | 
| r_dihedral_angle_1_deg | 5.139 | 
| r_mcangle_it | 3.93 | 
| r_mcbond_it | 2.257 | 
| r_mcbond_other | 2.256 | 
| r_scbond_it | 2.215 | 
| r_angle_refined_deg | 1.23 | 
| r_angle_other_deg | 0.851 | 
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number | 
| Protein Atoms | 3352 | 
| Nucleic Acid Atoms | |
| Solvent Atoms | 125 | 
| Heterogen Atoms | 46 | 
Software
| Software | |
|---|---|
| Software Name | Purpose | 
| REFMAC | refinement | 
| XDS | data reduction | 
| XSCALE | data scaling | 
| PHASER | phasing | 














