2QX8

Crystal Structure of Quinone Reductase II


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP6.5298BisTris, NaCl, Ammonium Sulfate, FAD, DTT, 2-iodomelatonin, Glycerol, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 298K
Crystal Properties
Matthews coefficientSolvent content
2.4249.22

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 56.595α = 90
b = 83.322β = 90
c = 106.213γ = 90
Symmetry
Space GroupP 21 21 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDMARMOSAIC 225 mm CCD2007-02-21MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONAPS BEAMLINE 22-BM0.9APS22-BM

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
11.252098.30.09113.857136994-315.563
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)
11.251.3292.10.7871.53.9

Refinement

Statistics
Diffraction IDStructure Solution MethodResolution (High)Resolution (Low)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-WorkR-FreeMean Isotropic B
X-RAY DIFFRACTION1.62066389269099.20.2110.23524.759
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]
4.6710.452-5.123
RMS Deviations
KeyRefinement Restraint Deviation
c_dihedral_angle_d21.8
c_angle_d1.618
c_improper_angle_d1.14
c_bond_d0.014
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms3648
Nucleic Acid Atoms
Solvent Atoms496
Heterogen Atoms158

Software

Software
Software NamePurpose
XSCALEdata processing
CNSrefinement
PDB_EXTRACTdata extraction
XDSdata reduction
XDSdata scaling