1G51

ASPARTYL TRNA SYNTHETASE FROM THERMUS THERMOPHILUS AT 2.4 A RESOLUTION


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP7271ammonium sulfate, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 271.0K
Crystal Properties
Matthews coefficientSolvent content
3.0259.32

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 60.135α = 90
b = 155.5β = 90
c = 171.145γ = 90
Symmetry
Space GroupP 21 21 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray110IMAGE PLATEMARRESEARCH1996-04-01MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONLURE BEAMLINE DW32LUREDW32

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge 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
12.611.595.40.05322.153.116338660454324.5
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
2.42.4587.60.2852.83736

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodResolution (High)Resolution (Low)Number Reflections (All)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (All)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONTHROUGHOUT2.4146331257893444391.30.1990.1940.1940.251RANDOM39.8
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]
10.25-9.75-0.5
RMS Deviations
KeyRefinement Restraint Deviation
c_dihedral_angle_d24.3
c_scangle_it3.01
c_mcangle_it2.4
c_scbond_it1.99
c_angle_deg1.9
c_mcbond_it1.41
c_improper_angle_d1.2
c_bond_d0.013
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms9336
Nucleic Acid Atoms
Solvent Atoms669
Heterogen Atoms95

Software

Software
Software NamePurpose
CNSrefinement
XDSdata reduction
AUTOMARdata reduction
CNSphasing