The crystal structure of neuraminidase from a H3N8 influenza virus isolated from New England harbor seals in complex with oseltamivir carboxylate
X-RAY DIFFRACTION
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | MICROBATCH | 8.5 | 293 | 0.01 M nickel chloride, 0.1 M Tris-HCl, pH 8.5, 20% PEG2000 MME |
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 2.59 | 52.57 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 90.666 | α = 90 |
| b = 90.666 | β = 90 |
| c = 108.354 | γ = 90 |
| Symmetry | |
|---|---|
| Space Group | I 4 |
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 300 mm CCD | 2013-03-16 | M | SINGLE WAVELENGTH | ||||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | SYNCHROTRON | APS BEAMLINE 22-ID | 1.0 | APS | 22-ID |
Data Collection
| Overall | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (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 | 1.95 | 50 | 99.1 | 22.7 | 4.6 | 31887 | 31809 | ||||||||||||
Refinement
| Statistics | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Diffraction ID | Structure Solution Method | Cross Validation method | 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 | THROUGHOUT | 1.95 | 37.98 | 30163 | 1580 | 99.55 | 0.14042 | 0.13899 | 0.15 | 0.16735 | 0.18 | RANDOM | 17.447 | ||||||
| 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] | |
| -5.92 | -5.92 | 11.84 | ||||
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| r_dihedral_angle_2_deg | 34.509 |
| r_dihedral_angle_3_deg | 15.171 |
| r_dihedral_angle_4_deg | 12.037 |
| r_dihedral_angle_1_deg | 7.64 |
| r_angle_refined_deg | 2.14 |
| r_angle_other_deg | 1.019 |
| r_chiral_restr | 0.167 |
| r_bond_refined_d | 0.024 |
| r_gen_planes_refined | 0.012 |
| r_bond_other_d | 0.001 |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 2976 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 326 |
| Heterogen Atoms | 45 |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| REFMAC | refinement |
