1FPQ
CRYSTAL STRUCTURE ANALYSIS OF SELENOMETHIONINE SUBSTITUTED CHALCONE O-METHYLTRANSFERASE
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 7.5 | 277 | PEG 8000, ammonium acetate, DTT, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 277K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.43 | 49.29 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 125.52 | α = 90 |
b = 53.47 | β = 124.62 |
c = 73.6 | γ = 90 |
Symmetry | |
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Space Group | C 1 2 1 |
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 | 105 | CCD | ADSC QUANTUM 4 | 1999-12-12 | M | SINGLE WAVELENGTH | ||||||
2 | 1 | |||||||||||||
3 | 1 | |||||||||||||
4 | 1 |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | SSRL BEAMLINE BL9-2 | SSRL | BL9-2 | |
2 | SYNCHROTRON | SSRL BEAMLINE BL9-2 | SSRL | BL9-2 | |
3 | SYNCHROTRON | SSRL BEAMLINE BL9-2 | SSRL | BL9-2 | |
4 | SYNCHROTRON | SSRL BEAMLINE BL9-2 | SSRL | BL9-2 |
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 | 99 | 98 | 0.04 | 20 | 6.9 | 27095 | 27095 | 1.5 | 1.5 | 23.9 |
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) | |||||||||||
1 | 2 | 2.03 | 81 | 0.205 | 1.6 | 2143 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Cross Validation method | Resolution (High) | Resolution (Low) | Cut-off Sigma (I) | 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 | THROUGHOUT | 2 | 32.95 | 1.5 | 27095 | 26958 | 1363 | 98.5 | 0.295 | 0.247 | 0.247 | 0.295 | RANDOM | 38.9 |
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] | |
-4.04 | -1.33 | 12.23 | -8.19 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
c_dihedral_angle_d | 21.9 |
c_scangle_it | 1.73 |
c_mcangle_it | 1.66 |
c_angle_deg | 1.3 |
c_mcbond_it | 1.28 |
c_scbond_it | 1.15 |
c_improper_angle_d | 0.83 |
c_bond_d | 0.008 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 2570 |
Nucleic Acid Atoms | |
Solvent Atoms | 236 |
Heterogen Atoms | 27 |
Software
Software | |
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Software Name | Purpose |
SHARP | phasing |
CNS | refinement |
DENZO | data reduction |
SCALEPACK | data scaling |