4DWB
Crystal structure of Trypanosoma cruzi farnesyl diphosphate synthase in complex with [2-(n-pentylamino)ethane-1,1-diyl]bisphosphonic acid and Mg2+
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 4DWG | PDB ENTRY 4DWG |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 5 | 291 | 12.5 mg/mL protein in 250 uM inhibitor, 250 uM IPP, 1 mM magnesium chloride, mother liquor: 100 mM sodium acetate, pH 4.6-5.2, 200 mM ammonium sulfate, 2-10% PEG4000, VAPOR DIFFUSION, HANGING DROP, temperature 291K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.3 | 46.54 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 57.871 | α = 90 |
b = 57.871 | β = 90 |
c = 392.442 | 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 | CCD | ADSC QUANTUM 210 | 2011-02-02 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | NSLS BEAMLINE X6A | 0.979 | NSLS | X6A |
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 | 2.1 | 65.407 | 93.2 | 0.113 | 8.9 | 7.6 | 22705 |
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 | 2.1 | 2.14 | 98.2 | 0.509 | 6.7 | 1158 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Cross Validation method | Starting model | 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 | FOURIER SYNTHESIS | THROUGHOUT | PDB ENTRY 4DWG | 2.1 | 19.891 | 22545 | 1156 | 92.82 | 0.221 | 0.2178 | 0.2789 | RANDOM | 31.5472 |
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] | |
1.89 | 0.94 | 1.89 | -2.83 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 39.759 |
r_dihedral_angle_4_deg | 19.269 |
r_dihedral_angle_3_deg | 17.712 |
r_dihedral_angle_1_deg | 6.003 |
r_scangle_it | 4.319 |
r_scbond_it | 3 |
r_angle_refined_deg | 1.778 |
r_mcangle_it | 1.678 |
r_mcbond_it | 1 |
r_chiral_restr | 0.113 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 2882 |
Nucleic Acid Atoms | |
Solvent Atoms | 89 |
Heterogen Atoms | 48 |
Software
Software | |
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Software Name | Purpose |
SCALEPACK | data scaling |
REFMAC | refinement |
PDB_EXTRACT | data extraction |
ADSC | data collection |
DENZO | data reduction |
REFMAC | phasing |