1F2K
CRYSTAL STRUCTURE OF ACANTHAMOEBA CASTELLANII PROFILIN II, CUBIC CRYSTAL FORM
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 2ACG |
Crystallization
Crystalization Experiments | ||||
---|---|---|---|---|
ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 5.6 | 277 | AMMONIUM SULFATE, SODIUM CITRATE, pH 5.6, VAPOR DIFFUSION, HANGING DROP, temperature 277.0K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.64 | 54 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 120.524 | α = 90 |
b = 120.524 | β = 90 |
c = 120.524 | γ = 90 |
Symmetry | |
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Space Group | P 43 3 2 |
Diffraction
Diffraction Experiment | ||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Crystal ID | Scattering Type | Data Collection Temperature | Detector | Detector Type | Details | Collection Date | Monochromator | Protocol | |||||
1 | 1 | x-ray | 140 | IMAGE PLATE | FUJI | 1996-02-21 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | NSLS BEAMLINE X9B | NSLS | X9B |
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 | 2.3 | 20 | 99 | 0.073 | 18.3 | 4 | 13681 | 13681 | 19.2 |
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) | |||||||||||
2.3 | 2.4 | 99 | 0.195 | 7.2 | 3.1 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Cross Validation method | Starting model | Resolution (High) | Resolution (Low) | Cut-off Sigma (F) | Number Reflections (All) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Factor (All) | R-Factor (Observed) | R-Work | R-Free | R-Free Selection Details | Mean Isotropic B | |||
X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | THROUGHOUT | 2ACG | 2.3 | 20 | 2 | 13681 | 12902 | 622 | 93.4 | 0.238 | 0.232 | 0.229 | 0.287 | RANDOM |
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 | |
---|---|
Key | Refinement Restraint Deviation |
c_dihedral_angle_d | 24.5 |
c_scangle_it | 9.9 |
c_scbond_it | 8.9 |
c_mcangle_it | 7.9 |
c_mcbond_it | 6.4 |
c_angle_deg | 1.87 |
c_improper_angle_d | 1.21 |
c_bond_d | 0.017 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 1828 |
Nucleic Acid Atoms | |
Solvent Atoms | 179 |
Heterogen Atoms |
Software
Software | |
---|---|
Software Name | Purpose |
EPMR | phasing |
CNS | refinement |
DENZO | data reduction |
SCALEPACK | data scaling |