3NRS
Crystal structure of ligand-free bifunctional folylpolyglutamate synthase/dihydrofolate synthase from yersinia pestis c092
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, SITTING DROP | 6 | 291 | 0.1 M MES, 1.0 M Na/K Tartrate, pH 6.0, VAPOR DIFFUSION, SITTING DROP, temperature 291K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
3.48 | 64.61 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 62.628 | α = 90 |
b = 83.275 | β = 90 |
c = 126.74 | 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 | 100 | CCD | ADSC QUANTUM 315r | mirrors | 2009-12-17 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | APS BEAMLINE 19-ID | 0.9794 | APS | 19-ID |
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 | 1.78 | 40 | 98.9 | 0.057 | 30 | 5.2 | 64300 | 63699 | 2 | 2 | 41.3 |
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) | |||||||||||
1.78 | 1.81 | 99.2 | 0.57 | 2.5 | 4.6 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Cross Validation method | Starting model | Resolution (High) | Resolution (Low) | Cut-off Sigma (I) | Cut-off Sigma (F) | Number Reflections (All) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Factor (All) | R-Factor (Observed) | R-Work | R-Free | R-Free Selection Details | Mean Isotropic B | ||
X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | THROUGHOUT | 3N2A | 1.8 | 40 | 2 | 2 | 61500 | 58317 | 3112 | 98.63 | 0.18 | 0.1736 | 0.17257 | 0.19222 | RANDOM | 29.006 |
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] | |
1.93 | -0.22 | -1.71 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 36.815 |
r_dihedral_angle_4_deg | 13.821 |
r_dihedral_angle_3_deg | 12.093 |
r_dihedral_angle_1_deg | 5.402 |
r_scangle_it | 4.575 |
r_scbond_it | 2.823 |
r_mcangle_it | 1.853 |
r_angle_refined_deg | 1.485 |
r_angle_other_deg | 1.055 |
r_mcbond_it | 1.049 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 3051 |
Nucleic Acid Atoms | |
Solvent Atoms | 312 |
Heterogen Atoms | 60 |
Software
Software | |
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Software Name | Purpose |
SBC-Collect | data collection |
MOLREP | phasing |
REFMAC | refinement |
HKL-3000 | data reduction |
HKL-3000 | data scaling |