6DXP

The crystal structure of an FMN-dependent NADH-azoreductase from Klebsiella pneumoniae


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION62910.1M MES pH 6.0, 25% PEG 8000, 0.2M calcium acetate
Crystal Properties
Matthews coefficientSolvent content
2.652.67

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 133.668α = 90
b = 97.323β = 90.71
c = 77.534γ = 90
Symmetry
Space GroupC 1 2 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDMARMOSAIC 225 mm CCD2018-02-07MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONAPS BEAMLINE 31-ID0.97931APS31-ID

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge I (Observed)Rrim I (All)Rpim I (All)CC (Half)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
12.47829.1798.60.10.1170.060.9965.63.73487651
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)
12.482.6191.50.6420.7770.4320.7363.1

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUT1V4B2.4782033185164198.410.23960.23730.2849RANDOM48.043
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]
3.46-4.88-2.94-0.39
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg35.787
r_dihedral_angle_4_deg17.082
r_dihedral_angle_3_deg17.029
r_dihedral_angle_1_deg6.751
r_angle_refined_deg1.589
r_angle_other_deg0.988
r_chiral_restr0.076
r_bond_refined_d0.01
r_gen_planes_refined0.005
r_bond_other_d0.002
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg35.787
r_dihedral_angle_4_deg17.082
r_dihedral_angle_3_deg17.029
r_dihedral_angle_1_deg6.751
r_angle_refined_deg1.589
r_angle_other_deg0.988
r_chiral_restr0.076
r_bond_refined_d0.01
r_gen_planes_refined0.005
r_bond_other_d0.002
r_gen_planes_other0.001
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms6102
Nucleic Acid Atoms
Solvent Atoms21
Heterogen Atoms93

Software

Software
Software NamePurpose
REFMACrefinement
SCALAdata scaling
MOLREPphasing
PDB_EXTRACTdata extraction
MOSFLMdata reduction