2BLA
SP21 double mutant P. vivax Dihydrofolate reductase in complex with pyrimethamine
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | 30%PEG4000, 100MM MES, PH 6.0, 10%GLYCEROL |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.86 | 56.73 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 135.27 | α = 90 |
b = 54.4 | β = 108.13 |
c = 46.09 | γ = 90 |
Symmetry | |
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Space Group | C 1 2 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 | 110 | RIGAKU R-AXIS IV | MIRRORS | 2003-10-31 | M | SINGLE WAVELENGTH |
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) | 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 | 32.14 | 99.7 | 0.09 | 10.1 | 4.85 | 11057 | 2 | 22.8 |
Highest Resolution Shell | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | |||||||||||
1 | 2.5 | 2.59 | 99.7 | 0.38 | 3.8 | 4.88 |
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 | R-Free Selection Details | Mean Isotropic B | ||||||
X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | THROUGHOUT | 2.5 | 6 | 2 | 11057 | 560 | 99.1 | 0.1939 | 0.1939 | 0.2818 | RANDOM | 47.3 |
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] | |
7.86 | -0.08 | 3.89 | -11.75 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
c_dihedral_angle_d | 23.4 |
c_scangle_it | 9.88 |
c_scbond_it | 8.66 |
c_mcangle_it | 7.42 |
c_mcbond_it | 5.82 |
c_angle_deg | 1.3 |
c_improper_angle_d | 0.95 |
c_bond_d | 0.011 |
c_bond_d_na | |
c_bond_d_prot |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 1781 |
Nucleic Acid Atoms | |
Solvent Atoms | 151 |
Heterogen Atoms | 77 |
Software
Software | |
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Software Name | Purpose |
CNS | refinement |
CrystalClear | data reduction |
CrystalClear | data scaling |
AMoRE | phasing |