6S30

Crystal Structure of Seryl-tRNA Synthetase from Klebsiella pneumoniae


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 6H9X 

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP6.5293Protein 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
Matthews coefficientSolvent content
4.170.02

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 83.342α = 90
b = 83.342β = 90
c = 229.999γ = 90
Symmetry
Space GroupP 43 21 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100PIXELDECTRIS EIGER X 9M2017-09-07MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONSOLEIL BEAMLINE PROXIMA 20.979299SOLEILPROXIMA 2

Data Collection

Overall
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)RedundancyNumber Reflections (All)Number Reflections (Observed)Observed Criterion Sigma (F)Observed Criterion Sigma (I)B (Isotropic) From Wilson Plot
12.2378.361000.1240.130.0360.9991012.94060469.13
Highest Resolution Shell
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)RedundancyNumber Unique Reflections (All)
12.232.351002.7182.8290.7810.81813

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUT6H9X2.4131.283226016671000.2040.2020.236RANDOM70.3
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]
-9.2358-9.235818.4716
RMS Deviations
KeyRefinement Restraint Deviation
t_other_torsion17.71
t_omega_torsion3.4
t_angle_deg1.12
t_bond_d0.01
t_dihedral_angle_d
t_trig_c_planes
t_gen_planes
t_it
t_nbd
t_improper_torsion
RMS Deviations
KeyRefinement Restraint Deviation
t_other_torsion17.71
t_omega_torsion3.4
t_angle_deg1.12
t_bond_d0.01
t_dihedral_angle_d
t_trig_c_planes
t_gen_planes
t_it
t_nbd
t_improper_torsion
t_pseud_angle
t_chiral_improper_torsion
t_sum_occupancies
t_utility_distance
t_utility_angle
t_utility_torsion
t_ideal_dist_contact
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms3336
Nucleic Acid Atoms
Solvent Atoms79
Heterogen Atoms11

Software

Software
Software NamePurpose
XDSdata reduction
Aimlessdata scaling
BUSTERrefinement
PDB_EXTRACTdata extraction
PHASERphasing