3LSS
Trypanosoma brucei seryl-tRNA synthetase in complex with ATP
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 3LSQ | PDB entry 3LSQ |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | sitting drop vapor diffusion | 7 | 298 | 1 ul 11 mg/ml protein in SGPP buffer mixed with 0.5 ul 2.4 M sodium malonate; crystal then soaked in 3.4 M sodium malonate (pH 7.0) supplemented with 10 mM ATP for 25 minutes before freezing., sitting drop vapor diffusion, temperature 298K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
3.39 | 63.76 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 175.652 | α = 90 |
b = 175.652 | β = 90 |
c = 248.518 | γ = 120 |
Symmetry | |
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Space Group | H 3 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 | MARMOSAIC 325 mm CCD | 2008-03-19 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | SSRL BEAMLINE BL11-1 | 0.979 | SSRL | BL11-1 |
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 | 1.95 | 50 | 99.9 | 0.09 | 9.1 | 8 | 106754 | 5 | 37 |
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) | |||||||||||
1.95 | 2.02 | 99.6 | 0.808 | 1.5 | 6.4 | 10577 |
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 3LSQ | 1.95 | 34.57 | 106719 | 5392 | 99.91 | 0.169 | 0.168 | 0.195 | RANDOM | 50.159 |
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] | |
1.14 | 0.57 | 1.14 | -1.72 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 38.025 |
r_dihedral_angle_4_deg | 14.559 |
r_dihedral_angle_3_deg | 13.065 |
r_dihedral_angle_1_deg | 6.111 |
r_scangle_it | 5.824 |
r_scbond_it | 3.85 |
r_mcangle_it | 3.252 |
r_mcbond_it | 2.07 |
r_angle_refined_deg | 1.331 |
r_angle_other_deg | 0.863 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 7265 |
Nucleic Acid Atoms | |
Solvent Atoms | 341 |
Heterogen Atoms | 77 |
Software
Software | |
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Software Name | Purpose |
DENZO | data reduction |
SCALEPACK | data scaling |
REFMAC | refinement |
PDB_EXTRACT | data extraction |
Blu-Ice | data collection |
HKL-2000 | data reduction |
HKL-2000 | data scaling |
REFMAC | phasing |