4QOG

Crystal structure of fad quinone reductase 2 in complex with melatonin at 1.4A


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 2QWXpdb entry 2QWX

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP72980.1M HEPES PH7, 1.4M AmSO4, VAPOR DIFFUSION, HANGING DROP, temperature 298K
Crystal Properties
Matthews coefficientSolvent content
2.4349.28

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 56.56α = 90
b = 83.4β = 90
c = 106.86γ = 90
Symmetry
Space GroupP 21 21 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray298PIXELPSI PILATUS 6M2013-03-22MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONSOLEIL BEAMLINE PROXIMA 10.9997SOLEILPROXIMA 1

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
11.446.8197.959343793437
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
11.41.4892.61.6114884

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (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 REPLACEMENTTHROUGHOUTpdb entry 2QWX1.446.819835693437491897.950.192950.191270.22506RANDOM21.487
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]
0.820.14-0.96
RMS Deviations
KeyRefinement Restraint Deviation
r_sphericity_bonded41.687
r_dihedral_angle_2_deg35.818
r_dihedral_angle_4_deg18.418
r_dihedral_angle_3_deg13.224
r_dihedral_angle_1_deg6.697
r_long_range_B_refined6.263
r_long_range_B_other6.263
r_rigid_bond_restr5.905
r_scangle_other4.369
r_mcangle_it3.36
RMS Deviations
KeyRefinement Restraint Deviation
r_sphericity_bonded41.687
r_dihedral_angle_2_deg35.818
r_dihedral_angle_4_deg18.418
r_dihedral_angle_3_deg13.224
r_dihedral_angle_1_deg6.697
r_long_range_B_refined6.263
r_long_range_B_other6.263
r_rigid_bond_restr5.905
r_scangle_other4.369
r_mcangle_it3.36
r_mcangle_other3.351
r_scbond_it3.137
r_scbond_other3.136
r_mcbond_it2.607
r_mcbond_other2.606
r_angle_refined_deg2.481
r_angle_other_deg1.05
r_chiral_restr0.147
r_bond_refined_d0.026
r_gen_planes_refined0.012
r_gen_planes_other0.002
r_bond_other_d0.001
r_nbd_refined
r_nbd_other
r_nbtor_refined
r_nbtor_other
r_xyhbond_nbd_refined
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_refined
r_symmetry_vdw_other
r_symmetry_hbond_refined
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_scangle_it
r_sphericity_free
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms3618
Nucleic Acid Atoms
Solvent Atoms360
Heterogen Atoms142

Software

Software
Software NamePurpose
XDSdata scaling
MOLREPphasing
REFMACrefinement
XDSdata reduction