6MSF
F6 APTAMER MS2 COAT PROTEIN COMPLEX
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 2MS2 | PDB ENTRY 2MS2 |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | 7.4 | PROTEIN IN 1.25% OR 1.5% PEG 8000, 0.1M NA PHOSPHATE PH 7.4 AND 0.02% NA AZIDE WAS EQUILIBRATED AGAINST 0.35M OR 0.4M NA PHOSPHATE PH 7.4, 0.02% NA AZIDE AT 30O OR 37O C. WASHED CRYSTALS WERE SOAKED IN 2MG/ML RNA. |
Crystal Properties | |
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Matthews coefficient | Solvent content |
80 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 287.58 | α = 90 |
b = 287.58 | β = 90 |
c = 652.19 | γ = 120 |
Symmetry | |
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Space Group | H 3 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 | 278 | IMAGE PLATE | MARRESEARCH | MIRROR | 1997-06-20 | M |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | SRS BEAMLINE PX9.6 | SRS | PX9.6 |
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 | 2.8 | 36 | 68 | 0.186 | 3 | 1.8 | 169875 | 45.9 |
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) | |||||||||||
2.8 | 2.95 | 43 | 0.369 | 1.3 |
Refinement
Statistics | |||||||||||||||||||
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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 | R-Free | R-Free Selection Details | Mean Isotropic B | ||||||
X-RAY DIFFRACTION | DIFFERENCE FOURIER | THROUGHOUT | PDB ENTRY 2MS2 | 2.8 | 36 | 169871 | 6829 | 67.1 | 0.195 | 0.195 | 0.201 | RANDOM | 33.6 |
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] | |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
x_dihedral_angle_d | 27.3 |
x_scangle_it | 12.09 |
x_scbond_it | 9.98 |
x_mcangle_it | 8.06 |
x_mcbond_it | 6.05 |
x_angle_deg | 1.4 |
x_improper_angle_d | 0.95 |
x_bond_d | 0.007 |
x_bond_d_na | |
x_bond_d_prot |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 2904 |
Nucleic Acid Atoms | 505 |
Solvent Atoms | 86 |
Heterogen Atoms |
Software
Software | |
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Software Name | Purpose |
CCP4 | model building |
X-PLOR | refinement |
MOSFLM | data reduction |
CCP4 | data scaling |
CCP4 | phasing |