3HEF
Crystal structure of the bacteriophage Sf6 terminase small subunit
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 7 | 293 | 1.2M NaH2PO4/0.8M K2HPO4, 0.2M Li2SO4, 5% glycerol, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 293K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.26 | 45.58 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 88.858 | α = 90 |
b = 88.858 | β = 90 |
c = 72.631 | γ = 90 |
Symmetry | |
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Space Group | P 4 21 2 |
Diffraction
Diffraction Experiment | ||||||||||||||
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ID # | Crystal ID | Scattering Type | Data Collection Temperature | Detector | Detector Type | Details | Collection Date | Monochromator | Protocol | |||||
1 | 1 | x-ray | 100 | CCD | MARMOSAIC 325 mm CCD | flat mirrors | 2009-02-26 | M | SINGLE WAVELENGTH | |||||
2 | 1 | x-ray | 100 | CCD | MARMOSAIC 325 mm CCD | 2009-02-26 | M | MAD |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | SSRL BEAMLINE BL11-1 | 1.02462 | SSRL | BL11-1 |
2 | SYNCHROTRON | SSRL BEAMLINE BL7-1 | 0.9791 | SSRL | BL7-1 |
Data Collection
Overall | |||||||||||||||||||
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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 | 1.65 | 50 | 99.7 | 0.053 | 107.121 | 28.4 | 35754 | 35647 | 2 | 2 |
Highest Resolution Shell | |||||||||||||||||||
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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) | |||||||||||
1.65 | 1.71 | 100 | 0.521 | 28.6 | 3521 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Resolution (High) | Resolution (Low) | Cut-off Sigma (F) | Number Reflections (All) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Work | R-Free | R-Free Selection Details | Mean Isotropic B | |||||||
X-RAY DIFFRACTION | MAD | 1.65 | 20 | 1037 | 35552 | 33097 | 1665 | 93.1 | 0.224 | 0.251 | RANDOM | 35.237 |
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] | |
-3.895 | -3.895 | 7.79 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
c_scangle_it | 3.309 |
c_scbond_it | 2.219 |
c_mcangle_it | 1.907 |
c_mcbond_it | 1.232 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 1979 |
Nucleic Acid Atoms | |
Solvent Atoms | 254 |
Heterogen Atoms |
Software
Software | |
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Software Name | Purpose |
DENZO | data reduction |
SCALEPACK | data scaling |
RESOLVE | phasing |
CNS | refinement |
PDB_EXTRACT | data extraction |
Blu-Ice | data collection |
SOLVE | phasing |