2FFH
THE SIGNAL SEQUENCE BINDING PROTEIN FFH FROM THERMUS AQUATICUS
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 1FFH | PDB ENTRY 1FFH |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 8.5 | 298 | PROTEIN AT 20 MG/ML IN 5 MM HEPES, PH 7.5. CRYSTALLIZED AT RT BY HANGING DROP VAPOR DIFFUSION USING 1.2 M SODIUM ACETATE, 0.12 M CADMIUM SULFATE, 0.1 M TRIS PH 8.5, 20 MM LITHIUM DODECYL SULFATE, VAPOR DIFFUSION, HANGING DROP, temperature 298K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
4.37 | 65 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 195.05 | α = 90 |
b = 195.05 | β = 90 |
c = 335.72 | 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 | 100 | CCD | PRINCETON 2K | 1997-07-04 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | CHESS BEAMLINE F1 | CHESS | F1 |
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 | 3.2 | 30 | 90.4 | 0.089 | 11.3 | 4.1 | 40702 | 36791 | -3 |
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) | |||||||||||
3.2 | 3.36 | 79.6 | 0.36 | 3.1 | 2.5 | 3914 |
Refinement
Statistics | |||||||||||||||||||
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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-Work | R-Free | R-Free Selection Details | Mean Isotropic B | ||||||
X-RAY DIFFRACTION | MIR, MOLECULAR REPLACEMENT | THROUGHOUT | PDB ENTRY 1FFH | 3.2 | 30 | 40702 | 36791 | 1862 | 90.4 | 0.257 | 0.296 | Random | 72.9 |
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] | |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 9453 |
Nucleic Acid Atoms | |
Solvent Atoms | |
Heterogen Atoms | 31 |
Software
Software | |
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Software Name | Purpose |
CCP4 | model building |
RAVE | model building |
CNS | refinement |
DENZO | data reduction |
SCALEPACK | data scaling |
CCP4 | phasing |
RAVE | phasing |