6S30
Crystal Structure of Seryl-tRNA Synthetase from Klebsiella pneumoniae
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 6H9X |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 6.5 | 293 | Protein at 10 mg/mL in 10 mM Tris pH 7, 100 mM NaCl, 5 mM DTT was mixed with an equal volume of 7.5% w/v PEG 8000, 50 mM CaCl2, 20% v/v Ethylene glycol, 100 mM Morpheus buffer system 1 (MES/Imidazole) pH 6.5. |
Crystal Properties | |
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Matthews coefficient | Solvent content |
4.1 | 70.02 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 83.342 | α = 90 |
b = 83.342 | β = 90 |
c = 229.999 | γ = 90 |
Symmetry | |
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Space Group | P 43 21 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 | PIXEL | DECTRIS EIGER X 9M | 2017-09-07 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | SOLEIL BEAMLINE PROXIMA 2 | 0.979299 | SOLEIL | PROXIMA 2 |
Data Collection
Overall | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge I (Observed) | Rrim I (All) | Rpim I (All) | CC (Half) | 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 | 2.23 | 78.36 | 100 | 0.124 | 0.13 | 0.036 | 0.999 | 10 | 12.9 | 40604 | 69.13 |
Highest Resolution Shell | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | Rrim I (All) | Rpim I (All) | CC (Half) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | ||||||||
1 | 2.23 | 2.35 | 100 | 2.718 | 2.829 | 0.781 | 0.818 | 13 |
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 | MOLECULAR REPLACEMENT | THROUGHOUT | 6H9X | 2.41 | 31.28 | 32260 | 1667 | 100 | 0.204 | 0.202 | 0.236 | RANDOM | 70.3 |
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] | |
-9.2358 | -9.2358 | 18.4716 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
t_other_torsion | 17.71 |
t_omega_torsion | 3.4 |
t_angle_deg | 1.12 |
t_bond_d | 0.01 |
t_dihedral_angle_d | |
t_trig_c_planes | |
t_gen_planes | |
t_it | |
t_nbd | |
t_improper_torsion |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 3336 |
Nucleic Acid Atoms | |
Solvent Atoms | 79 |
Heterogen Atoms | 11 |
Software
Software | |
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Software Name | Purpose |
XDS | data reduction |
Aimless | data scaling |
BUSTER | refinement |
PDB_EXTRACT | data extraction |
PHASER | phasing |