8DAI
E. coli DHFR complex with NADP+ and 10-methylfolate
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 7LVC |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, SITTING DROP | 277 | 20 mM imadazole (pH 5.4-5.8), 15-20% PEG 400, 125 mM MnCl2 |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.13 | 42.16 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 34.251 | α = 90 |
b = 45.357 | β = 90 |
c = 98.845 | γ = 90 |
Symmetry | |
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Space Group | P 21 21 21 |
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 | 285 | PIXEL | DECTRIS EIGER2 S 16M | 2022-05-07 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | SSRL BEAMLINE BL12-1 | 0.953692 | SSRL | BL12-1 |
Data Collection
Overall | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge I (Observed) | Rpim I (All) | CC (Half) | 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 | 1.14 | 49.42 | 96.28 | 0.1477 | 0.02843 | 0.999 | 8.62 | 25.9 | 105471 | 15.57 |
Highest Resolution Shell | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | Rpim I (All) | CC (Half) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | |||||||||
1 | 1.14 | 1.18 | 70.65 | 3.344 | 0.8785 | 0.269 | 0.35 | 14.9 |
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 (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Factor (Observed) | R-Work | R-Free | Mean Isotropic B | ||||||
X-RAY DIFFRACTION | FOURIER SYNTHESIS | FREE R-VALUE | 7LVC | 1.14 | 49.42 | 1.33 | 104465 | 5171 | 96.28 | 0.1284 | 0.1268 | 0.16 | 22.97 |
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 | |
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Key | Refinement Restraint Deviation |
f_dihedral_angle_d | 13.979 |
f_angle_d | 1.357 |
f_chiral_restr | 0.0959 |
f_bond_d | 0.0134 |
f_plane_restr | 0.0115 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 1270 |
Nucleic Acid Atoms | |
Solvent Atoms | 172 |
Heterogen Atoms | 85 |
Software
Software | |
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Software Name | Purpose |
DIALS | data reduction |
DIALS | data scaling |
PHENIX | refinement |