Mo-Nitrogenase, MoFe protein, P2+ redox state, +50 mV


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 6UGO 

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION2960.1 M sodium citrate pH 5.0, 0.16 M ammonium acetate, 17% (v/v) PEG Smear High, 25% (v/v) glycerol
Crystal Properties
Matthews coefficientSolvent content
2.957.58

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 84.009α = 90
b = 156.853β = 90.002
c = 202.277γ = 90
Symmetry
Space GroupP 1 21 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100PIXELDECTRIS EIGER2 XE 16M2024-07-05MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONDIAMOND BEAMLINE I040.95375DiamondI04

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge I (Observed)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
11.9156.81980.20.0810.9945.37.140207329.23
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)Rpim I (All)CC (Half)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
11.91.9396.83.031.2150.4180.6

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-Work (Depositor)R-Free (Depositor)Mean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTFREE R-VALUE1.967.431.343989191994497.140.19810.19660.225740.09
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_d16.382
f_angle_d1.2633
f_chiral_restr0.069
f_bond_d0.0168
f_plane_restr0.0136
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms31856
Nucleic Acid Atoms
Solvent Atoms1248
Heterogen Atoms341

Software

Software
Software NamePurpose
PHENIXrefinement
DIALSdata reduction
Aimlessdata scaling
PHASERphasing