3QSY

Recognition of the methionylated initiator tRNA by the translation initiation factor 2 in Archaea


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 2AHOPDB ENTRY 2AHO

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP7.528545% ammonium sulphate, 30mM Tris-HCl, 5mM MES, 7mM MgCl2, 0.5mM DTT, 0.2mM GDPNP, 300mM NDSB 195, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 285.0K
Crystal Properties
Matthews coefficientSolvent content
3.4664.46

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 93.68α = 90
b = 93.68β = 90
c = 220.03γ = 120
Symmetry
Space GroupP 31 2 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray198.3CCDMARMOSAIC 225 mm CCD2008-10-24MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONBESSY BEAMLINE 14.20.91841BESSY14.2

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (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
132599.62316023068
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
133.199.9

Refinement

Statistics
Diffraction IDStructure Solution MethodStarting modelResolution (High)Resolution (Low)Cut-off Sigma (F)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTPDB ENTRY 2AHO3.214.952.11767694093.310.27860.27830.3025RANDOM129.8513
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]
-54.4318-54.4318108.8636
RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d19.968
f_angle_d1.307
f_chiral_restr0.087
f_bond_d0.009
f_plane_restr0.006
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms3914
Nucleic Acid Atoms1639
Solvent Atoms
Heterogen Atoms40

Software

Software
Software NamePurpose
XDSdata scaling
PHASERphasing
PHENIXrefinement
XDSdata reduction