1ZHF
Crystal structure of selenomethionine substituted isoflavanone 4'-O-methyltransferase
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION | 5.5 | 277.16 | PEG 8000, amonium acetate, DTT, pH 5.5, temperature 277.16K, VAPOR DIFFUSION |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.93 | 57.7 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 71.355 | α = 90 |
b = 71.355 | β = 90 |
c = 188.8 | γ = 90 |
Symmetry | |
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Space Group | P 43 2 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 | MARRESEARCH | Mirror M1 Double crystal mono. Mirror M2 Distance from source 26m 81 29 m76 32m 71 Focusing type vert. foc. horiz. foc. by sagittal curved 2nd crystal vert. foc. Beam size at sample 0.3x0.3 mm2 Spectral range 8-25 keV Energy resolution 2 e-4 Flux at sample (at 1 A) . | 2004-03-12 | M | MAD |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | ESRF BEAMLINE BM30A | 0.97932, 0.97942, 0.9855 | ESRF | BM30A |
Data Collection
Overall | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Sym 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 | 2.5 | 80 | 99.6 | 0.12 | 7.46 | 14700 | 19380 | 16.7 |
Highest Resolution Shell | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | ||||||||||||
1 | 2.5 | 2.66 | 99.4 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Cross Validation method | Resolution (High) | Resolution (Low) | 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 | MAD | THROUGHOUT | 2.5 | 26.7 | 17690 | 14700 | 736 | 83.1 | 0.243 | 0.204 | 0.204 | 0.237 | RANDOM | 29.1 |
Temperature Factor Modeling | ||||||
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Anisotropic B[1][1] | Anisotropic B[1][2] | Anisotropic B[1][3] | Anisotropic B[2][2] | Anisotropic B[2][3] | Anisotropic B[3][3] | |
1.84 | 1.84 | -3.69 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
c_dihedral_angle_d | 21.9 |
c_scangle_it | 2.74 |
c_mcangle_it | 2.28 |
c_scbond_it | 1.84 |
c_mcbond_it | 1.31 |
c_angle_deg | 1.2 |
c_improper_angle_d | 0.74 |
c_bond_d | 0.007 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 2819 |
Nucleic Acid Atoms | |
Solvent Atoms | 87 |
Heterogen Atoms | 26 |
Software
Software | |
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Software Name | Purpose |
CNS | refinement |
DENZO | data reduction |
SCALEPACK | data scaling |
SOLVE | phasing |