Crystal structure of Ad37 fiber knob in complex with trivalent sialic acid inhibitor ME0407
X-RAY DIFFRACTION
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details | 
| 1 | VAPOR DIFFUSION, HANGING DROP | 7.2 | 293 | 25% PEG 8000, 0.1M HEPES, 0.05M zinc acetate, pH 7.2, VAPOR DIFFUSION, HANGING DROP, temperature 293K | 
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content | 
| 2.44 | 49.69 | 
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) | 
| a = 61.32 | α = 90 | 
| b = 69.68 | β = 94.43 | 
| c = 74.78 | γ = 90 | 
| Symmetry | |
|---|---|
| Space Group | P 1 21 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-F | 2012-09-12 | M | SINGLE WAVELENGTH | ||||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline | 
| 1 | SYNCHROTRON | SLS BEAMLINE X06DA | SLS | X06DA | |
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 | 1.5 | 50 | 100 | 0.046 | 14.6 | 3.7 | 99467 | 99467 | -3 | -3 | 27.5 | ||||||||
| 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 | 1.5 | 1.54 | 95.7 | 0.917 | 1.3 | 3.5 | 7042 | ||||||||||||
Refinement
| Statistics | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Diffraction ID | Structure Solution Method | Cross Validation method | Starting model | Resolution (High) | Resolution (Low) | Number Reflections (All) | 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 | unliganded Ad37 trimer | 1.5 | 45.96 | 99467 | 99466 | 1492 | 99.46 | 0.13452 | 0.13376 | 0.14 | 0.18464 | 0.19 | RANDOM | 24.715 | |||
| 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] | |
| 0.47 | 0.63 | -0.37 | -0.16 | |||
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation | 
| r_dihedral_angle_2_deg | 37.265 | 
| r_sphericity_free | 25.645 | 
| r_dihedral_angle_4_deg | 21.994 | 
| r_dihedral_angle_3_deg | 11.949 | 
| r_sphericity_bonded | 7.385 | 
| r_dihedral_angle_1_deg | 6.7 | 
| r_angle_other_deg | 3.425 | 
| r_rigid_bond_restr | 2.673 | 
| r_angle_refined_deg | 1.409 | 
| r_chiral_restr | 0.079 | 
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number | 
| Protein Atoms | 4320 | 
| Nucleic Acid Atoms | |
| Solvent Atoms | 621 | 
| Heterogen Atoms | 117 | 
Software
| Software | |
|---|---|
| Software Name | Purpose | 
| RemDAq | data collection | 
| PHASER | phasing | 
| REFMAC | refinement | 
| XDS | data reduction | 
| XSCALE | data scaling | 














