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


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
2.9458.2

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 93.512α = 90
b = 93.512β = 90
c = 202.392γ = 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 MFX1.303422SLAC 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
12.722.7896.610.9918.86983.6718063063.64
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)
12.72.80.922.084

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-VALUE2.722.781.3414547145596.610.24170.23720.23710.28130.281191.9
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_d14.2263
f_angle_d0.4907
f_chiral_restr0.0366
f_plane_restr0.0044
f_bond_d0.0021
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms2793
Nucleic Acid Atoms
Solvent Atoms4
Heterogen Atoms2

Software

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