Crystal structure of the receptor binding domain of the spike protein P1 from bacteriophage PM2
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
---|---|---|---|---|
ID | Method | pH | Temperature | Details |
1 | 7.5 | 7.4MG/ML PROTEIN (IN 150MM NACL AND 20MM TRIS PH 7.5), 20%(W/V) PEG3350, 200MM CACL2 |
Crystal Properties | |
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Matthews coefficient | Solvent content |
1.94 | 36.94 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 43.645 | α = 90 |
b = 49.055 | β = 90 |
c = 72.177 | γ = 90 |
Symmetry | |
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Space Group | P 21 21 21 |
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 | MARRESEARCH | MIRRORS | 2005-06-22 | M | MAD |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | ESRF BEAMLINE BM14 | 0.97912,0.90499 | ESRF | BM14 |
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 | 2.26 | 21.6 | 90 | 0.05 | 46.5 | 12.1 | 6935 | -3 | 14.65 |
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 | 2.26 | 2.33 | 52.5 | 0.08 | 27.7 | 7.7 |
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 | MAD | THROUGHOUT | NONE | 2.26 | 21.6 | 6521 | 369 | 89.8 | 0.172 | 0.169 | 0.1787 | 0.228 | 0.1642 | RANDOM | 16.3 |
Temperature Factor Modeling | ||||||
---|---|---|---|---|---|---|
Anisotropic B[1][1] | Anisotropic B[2][2] | Anisotropic B[3][3] | ||||
-0.59 | 0.23 | 0.36 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 35.875 |
r_dihedral_angle_4_deg | 17.924 |
r_dihedral_angle_3_deg | 11.205 |
r_dihedral_angle_1_deg | 6.21 |
r_scangle_it | 1.25 |
r_angle_refined_deg | 0.966 |
r_scbond_it | 0.887 |
r_angle_other_deg | 0.77 |
r_mcangle_it | 0.455 |
r_mcbond_it | 0.259 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 1284 |
Nucleic Acid Atoms | |
Solvent Atoms | 169 |
Heterogen Atoms | 2 |
Software
Software | |
---|---|
Software Name | Purpose |
REFMAC | refinement |
DENZO | data reduction |
SCALEPACK | data scaling |
SOLVE | phasing |