2ZTG

Crystal structure of Archaeoglobus fulgidus alanyl-tRNA synthetase lacking the C-terminal dimerization domain in complex with Ala-SA


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP7.229318% PEG-MME 2000, 5mM MgCl2, 0.25mM AlaSA, 100mM Bis-Tris, 0.1mM zinc acetate, pH 7.2, VAPOR DIFFUSION, SITTING DROP, temperature 293K
Crystal Properties
Matthews coefficientSolvent content
2.1743.34

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 160.391α = 90
b = 49.082β = 108.08
c = 98.044γ = 90
Symmetry
Space GroupC 1 2 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray95CCDADSC QUANTUM 270mirrors2008-06-22MMAD
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONPHOTON FACTORY BEAMLINE BL-17A0.97888, 0.97936Photon FactoryBL-17A

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge I (Observed)R Sym I (Observed)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
12.25099.40.0990.099247.337240-340.7
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)R-Sym I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
2.22.2895.20.5090.5092.26.33516

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodResolution (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 DIFFRACTIONMADTHROUGHOUT2.246.7437067185699.20.2150.2150.264RANDOM62.1
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]
-3.61-4.229.43-5.82
RMS Deviations
KeyRefinement Restraint Deviation
c_dihedral_angle_d22.9
c_scangle_it4.59
c_mcangle_it3.57
c_scbond_it3.47
c_mcbond_it2.31
c_angle_deg1.4
c_improper_angle_d0.89
c_bond_d0.009
c_bond_d_na
c_bond_d_prot
RMS Deviations
KeyRefinement Restraint Deviation
c_dihedral_angle_d22.9
c_scangle_it4.59
c_mcangle_it3.57
c_scbond_it3.47
c_mcbond_it2.31
c_angle_deg1.4
c_improper_angle_d0.89
c_bond_d0.009
c_bond_d_na
c_bond_d_prot
c_angle_d
c_angle_d_na
c_angle_d_prot
c_angle_deg_na
c_angle_deg_prot
c_dihedral_angle_d_na
c_dihedral_angle_d_prot
c_improper_angle_d_na
c_improper_angle_d_prot
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms5894
Nucleic Acid Atoms
Solvent Atoms152
Heterogen Atoms30

Software

Software
Software NamePurpose
CNSrefinement
HKL-2000data collection
HKL-2000data reduction
HKL-2000data scaling
SHARPphasing