5J8G

Structure of nitroreductase from E. cloacae complexed with para-nitrobenzoic acid


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP4.8278100 mM homopipes (pH 4.8), 20 mM para-nitrobenzoic acid, and 13% w/v polyethylene glycol 4000. Protein at 4.75 mg/ml initial concentration in 10 mM HEPES (pH 7.0) and 50 mM KCl
Crystal Properties
Matthews coefficientSolvent content
2.5151.04

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 52.41α = 90
b = 113.44β = 101.55
c = 82.29γ = 90
Symmetry
Space GroupP 1 21 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray115CCDADSC QUANTUM 4Mirrors2002-10-10MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONAPS BEAMLINE 14-ID-B0.9APS14-ID-B

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
11.919.92320.01
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)Rrim I (All)Rpim I (All)CC (Half)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
11.91.9797.60.270.3230.1760.8853.27234

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodResolution (High)Resolution (Low)Cut-off Sigma (F)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUT1.919.9231.3472794736998.290.16960.16640.197228.6758
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]
RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d10.036
f_angle_d0.538
f_chiral_restr0.039
f_plane_restr0.004
f_bond_d0.003
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms6708
Nucleic Acid Atoms
Solvent Atoms790
Heterogen Atoms172

Software

Software
Software NamePurpose
PHENIXrefinement
PDB_EXTRACTdata extraction
HKL-2000data reduction
HKL-2000data scaling
CNSphasing