3NEM

Aspartyl-tRNA synthetase complexed with aspartyl adenylate


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1297peg and ethylene glycol, VAPOR DIFFUSION, HANGING DROP, temperature 297K
Crystal Properties
Matthews coefficientSolvent content
3.2862.5

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 123.22α = 90
b = 124.87β = 90
c = 86.93γ = 90
Symmetry
Space GroupP 21 21 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray120IMAGE PLATEMAR scanner 345 mm plate1997-03-12MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONLURE BEAMLINE DW32LUREDW32

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (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
11.8928.6395.70.053.810307315.82

Refinement

Statistics
Diffraction IDStructure Solution MethodStarting modelResolution (High)Resolution (Low)Number Reflections (All)Number Reflections (R-Free)Percent Reflections (Observed)R-WorkR-FreeMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTPDB ENTRY 1ASZ1.8928.5810307350530.1880.21317.38
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]
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms7186
Nucleic Acid Atoms
Solvent Atoms473
Heterogen Atoms65

Software

Software
Software NamePurpose
MAR345dtbdata collection
AMoREphasing
X-PLORrefinement
MOSFLMdata reduction
SCALAdata scaling
PHENIXrefinement