3NHP

X-ray Crystallographic Structure Activity Relationship (SAR) of Casimiroin and its Analogs Bound to Human Quinone Reductase 2


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1hanging drop6.72981.339 M ammonium sulfate, 0.1 M Bis-Tris, 0.1 M NaCl, 5 mM DTT, 12 uM FAD, pH 6.7, hanging drop, temperature 298K
Crystal Properties
Matthews coefficientSolvent content
2.4249.28

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 56.426α = 90
b = 83.479β = 90
c = 106.461γ = 90
Symmetry
Space GroupP 21 21 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDMARMOSAIC 225 mm CCD2009-10-15MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONAPS BEAMLINE 22-BM1.0APS22-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
11.765.6986.60.05412.24.748856
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)
11.71.7397.90.2484.32706

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 (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUT1.7504885648642245786.130.21550.21290.2639RANDOM23.4964
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]
1.280.26-1.54
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg35.793
r_dihedral_angle_4_deg19.006
r_dihedral_angle_3_deg14.357
r_dihedral_angle_1_deg6.539
r_scangle_it4.627
r_scbond_it3.05
r_mcangle_it2.133
r_angle_refined_deg2.063
r_mcbond_it1.342
r_chiral_restr0.143
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg35.793
r_dihedral_angle_4_deg19.006
r_dihedral_angle_3_deg14.357
r_dihedral_angle_1_deg6.539
r_scangle_it4.627
r_scbond_it3.05
r_mcangle_it2.133
r_angle_refined_deg2.063
r_mcbond_it1.342
r_chiral_restr0.143
r_bond_refined_d0.024
r_gen_planes_refined0.012
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms3648
Nucleic Acid Atoms
Solvent Atoms379
Heterogen Atoms144

Software

Software
Software NamePurpose
DENZOdata reduction
SCALEPACKdata scaling
REFMACrefinement
PDB_EXTRACTdata extraction
HKL-2000data collection
CCP4phasing