6DAV
Crystal Structure of Human DHFR complexed with NADP and N10formyltetrahydrofolate
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, SITTING DROP | 8.5 | 290 | Wizard 3/4 H10 (296175h10): 100 mM Tris base/ Hydrochloric acid pH 8.5, 30% (w/v) PEG3350, 30% (v/v) 2-propanol, protein conc. 28.74 mg/mL, protein batch ID XP819, 10 mM NADP, 3.75 mM BSI108214, seeded from 293949g10, cryoprotected with 20% eg, puck izs6-6 |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.24 | 45 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 37.09 | α = 91.05 |
b = 42.74 | β = 101.88 |
c = 72.29 | γ = 120 |
Symmetry | |
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Space Group | P 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 | 100 | PIXEL | DECTRIS PILATUS 6M | 2018-01-12 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | CLSI BEAMLINE 08ID-1 | 0.979490 | CLSI | 08ID-1 |
Data Collection
Overall | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge I (Observed) | Rrim 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 | 1.55 | 50 | 94 | 0.031 | 0.04 | 0.999 | 13.42 | 2.309 | 50838 | 21.34 |
Highest Resolution Shell | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | Rrim I (All) | CC (Half) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | |||||||||
1 | 1.55 | 1.59 | 94.5 | 0.395 | 0.508 | 0.895 | 2.11 | 2.339 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Cross Validation 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 | Mean Isotropic B | |||||||
X-RAY DIFFRACTION | THROUGHOUT | 1.55 | 36.64 | 1.99 | 50797 | 2028 | 93.94 | 0.1668 | 0.1652 | 0.2044 | 32.178 |
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] | |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 2982 |
Nucleic Acid Atoms | |
Solvent Atoms | 331 |
Heterogen Atoms | 176 |
Software
Software | |
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Software Name | Purpose |
XDS | data reduction |
XSCALE | data scaling |
PHENIX | refinement |
PDB_EXTRACT | data extraction |
PHENIX | phasing |
Coot | model building |