XFEL structure of oxidised Ribonucleotide reductase R2a Y122F mutant from E. coli, hexagonal P6122 form


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 7AI8 

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1BATCH MODE2974M Sodium Formate
Crystal Properties
Matthews coefficientSolvent content
2.9658.44

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 93.508α = 90
b = 93.508β = 90
c = 203.591γ = 120
Symmetry
Space GroupP 61 2 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray297CCDRAYONIX MX340-HS2021-07-12MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1FREE ELECTRON LASERSLAC LCLS BEAMLINE MFX1.304826SLAC LCLSMFX

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
12.722.7897.890.9920.591011.861482962.61
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)
12.72.790.932.27

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-Work (DCC)R-Free (Depositor)R-Free (DCC)Mean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTFREE R-VALUE2.722.781.3414829148297.890.22370.22040.22030.25380.253887.21
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_d15.2328
f_angle_d0.6181
f_chiral_restr0.0406
f_plane_restr0.0146
f_bond_d0.0041
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms2793
Nucleic Acid Atoms
Solvent Atoms8
Heterogen Atoms2

Software

Software
Software NamePurpose
PHENIXrefinement
cctbx.xfeldata reduction
cxi.mergedata scaling
PHENIXphasing