3FRE
S. aureus DHFR complexed with NADPH and TMP
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | 5.5 | 25% PEG 3350, 200mM NaCl, 100mM bis-Tris, pH5.5 |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.7 | 54.41 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 79.328 | α = 90 |
b = 79.328 | β = 90 |
c = 107.781 | γ = 120 |
Symmetry | |
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Space Group | P 61 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 | IMAGE PLATE | MAR scanner 345 mm plate | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | ROTATING ANODE | ENRAF-NONIUS FR591 |
Data Collection
Overall | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (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 | 2.2 | 20 | 99.3 | 10800 | 10800 | 1 | 1 |
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 | 2.2 | 2.34 | 97.2 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Cross Validation method | Resolution (High) | Resolution (Low) | 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 | MOLECULAR REPLACEMENT | THROUGHOUT | 2.2 | 20 | 10128 | 507 | 99.47 | 0.24119 | 0.23919 | 0.28002 | RANDOM | 20.031 |
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] | |
0.05 | 0.02 | 0.05 | -0.07 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_3_deg | 22.751 |
r_dihedral_angle_1_deg | 9.631 |
r_angle_other_deg | 1.845 |
r_mcangle_it | 0.986 |
r_angle_refined_deg | 0.901 |
r_symmetry_hbond_other | 0.733 |
r_scangle_it | 0.714 |
r_symmetry_vdw_refined | 0.692 |
r_mcbond_it | 0.562 |
r_symmetry_vdw_other | 0.528 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 1272 |
Nucleic Acid Atoms | |
Solvent Atoms | 108 |
Heterogen Atoms | 69 |
Software
Software | |
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Software Name | Purpose |
DENZO | data reduction |
AMoRE | phasing |
REFMAC | refinement |
SCALEPACK | data scaling |