7OQX

Crystal structure of a psychrophilic CCA-adding enzyme in complex with CMPcPP


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP293protein solution at 4.5 mg/mL in 50 mM Tris-HCl pH 7.5, 200 mM NaCl, 5 mM MgCl2; reservoir solution: 100 mM Sodium acetate; pH 4.5 1 M di-Ammonium hydrogen phosphate remarks : soaking 30 seconds in a drop with 10 mM CMPcPP and reservoir solution + 20% glycerol
Crystal Properties
Matthews coefficientSolvent content
3.6666.37

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 69.8α = 90
b = 69.8β = 90
c = 290.85γ = 90
Symmetry
Space GroupP 43 21 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100PIXELDECTRIS EIGER X 16M2020-10-09MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONSOLEIL BEAMLINE PROXIMA 10.9786SOLEILPROXIMA 1

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)Rrim 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
12.25099.80.150.9916.8425.73771150.85
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)Rrim I (All)CC (Half)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
12.22.3499.31.6160.7861.9827.1

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Cut-off Sigma (F)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTFREE R-VALUE6QXN2.246.741.3437711188699.840.20730.20550.242451.98
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_d15.9797
f_angle_d0.9303
f_chiral_restr0.0575
f_bond_d0.0082
f_plane_restr0.0078
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms3005
Nucleic Acid Atoms
Solvent Atoms99
Heterogen Atoms81

Software

Software
Software NamePurpose
PHENIXrefinement
XDSdata reduction
XSCALEdata scaling
PHENIXphasing