8SU4

F198S epi-Isozizaene Synthase: complex with 3 Mg2+, inorganic pyrophosphate, and benzyl triethyl ammonium cation


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 3KB9 

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP294100 mM Bis-Tris (pH 6.4), 200 mM (NH4)2SO4, 28% (w/v) PEG 3350
Crystal Properties
Matthews coefficientSolvent content
2.1442.48

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 52.883α = 90
b = 46.987β = 95.865
c = 75.53γ = 90
Symmetry
Space GroupP 1 21 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100PIXELDECTRIS PILATUS 6M-F2022-06-08MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONAPS BEAMLINE 24-ID-C0.979APS24-ID-C

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge I (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
11.4375.1398.90.0380.99915.73.36756220
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)CC (Half)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
11.431.450.8060.7191.5

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-WorkR-FreeMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTFREE R-VALUE1.4375.131.3567488335898.650.17240.17160.189430.89
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_d18.1283
f_angle_d1.0448
f_chiral_restr0.0855
f_bond_d0.0093
f_plane_restr0.0079
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms2721
Nucleic Acid Atoms
Solvent Atoms205
Heterogen Atoms49

Software

Software
Software NamePurpose
PHENIXrefinement
PHENIXrefinement
XDSdata reduction
Aimlessdata scaling
PHASERphasing