7AIZ

Vanadium nitrogenase VFe protein, high CO state


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP293Tris/HCl pH 7.5, magnesium chloride, ethylene glycol, PEG 8000, sodium dithionite
Crystal Properties
Matthews coefficientSolvent content
2.4850.46

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 75.521α = 84
b = 80.041β = 72.48
c = 107.21γ = 75.03
Symmetry
Space GroupP 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100PIXELDECTRIS PILATUS 2M-F2018-06-11MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONSLS BEAMLINE X06DA0.977944SLSX06DA

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)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
11.0548.3993.30.9999.771006898
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)CC (Half)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
11.051.070.444

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 REPLACEMENTTHROUGHOUT7ADR1.0548.399568364997293.250.12550.12440.1459RANDOM14.508
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]
0.05-0.05-0.17-0.120.13-0.04
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg32.356
r_dihedral_angle_4_deg18.869
r_dihedral_angle_3_deg12.269
r_dihedral_angle_1_deg6.501
r_rigid_bond_restr5.984
r_angle_refined_deg3.08
r_angle_other_deg1.857
r_chiral_restr0.49
r_bond_refined_d0.023
r_gen_planes_refined0.012
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg32.356
r_dihedral_angle_4_deg18.869
r_dihedral_angle_3_deg12.269
r_dihedral_angle_1_deg6.501
r_rigid_bond_restr5.984
r_angle_refined_deg3.08
r_angle_other_deg1.857
r_chiral_restr0.49
r_bond_refined_d0.023
r_gen_planes_refined0.012
r_gen_planes_other0.002
r_bond_other_d0.001
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms16687
Nucleic Acid Atoms
Solvent Atoms2602
Heterogen Atoms180

Software

Software
Software NamePurpose
REFMACrefinement
PDB_EXTRACTdata extraction
XDSdata reduction
Aimlessdata scaling
REFMACphasing