1EFV
THREE-DIMENSIONAL STRUCTURE OF HUMAN ELECTRON TRANSFER FLAVOPROTEIN TO 2.1 A RESOLUTION
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, SITTING DROP | 7 | THE PROTEIN WAS CRYSTALLIZED FROM 15 % PEG 1500, 50 MM HEPES, PH 7.0. EQUAL VOLUMES OF PROTEIN (15 MG/ML) AND PRECIPITANT WERE MIXED IN SITTING DROPS., vapor diffusion - sitting drop |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.69 | 50 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 47.437 | α = 90 |
b = 103.872 | β = 109.98 |
c = 63.696 | γ = 90 |
Symmetry | |
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Space Group | P 1 21 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 | 277 | IMAGE PLATE | RIGAKU RAXIS II | COLLIMATOR | 1994-04-13 | M |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | ROTATING ANODE | RIGAKU RUH2R |
Data Collection
Overall | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge I (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 | 2.1 | 30 | 96 | 0.064 | 0.064 | 17 | 3.7 | 32383 |
Highest Resolution Shell | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | R-Sym I (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | ||||||||||
2.1 | 2.14 | 92.4 | 0.064 | 0.304 | 2.6 | 2.5 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Resolution (High) | Resolution (Low) | Cut-off Sigma (F) | 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 | MULTIPLE ISOMORPHOUS REPLACEMENT | 2.1 | 8 | 2 | 27942 | 2794 | 90.41 | 0.172 | 0.172 | 0.222 | RANDOM | 27.6 |
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 | |
---|---|
Key | Refinement Restraint Deviation |
x_dihedral_angle_d | 24.9 |
x_angle_deg | 1.4 |
x_improper_angle_d | 1.18 |
x_bond_d | 0.006 |
x_bond_d_na | |
x_bond_d_prot | |
x_angle_d | |
x_angle_d_na | |
x_angle_d_prot | |
x_angle_deg_na |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 4225 |
Nucleic Acid Atoms | |
Solvent Atoms | 258 |
Heterogen Atoms | 76 |
Software
Software | |
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Software Name | Purpose |
HEAVY | model building |
PHASES | phasing |
X-PLOR | refinement |
DENZO | data reduction |
SCALEPACK | data scaling |
HEAVY | phasing |