8AGS

Cyclohexane epoxide soak of epoxide hydrolase from metagenomic source ch65 resulting in halogenated compound in the active site


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1MICROBATCH291Morpheus crystallisation kit C1; 40% v/v PEG 500* MME; 20% w/v PEG 20000, thecrystal was soaked with cyclohexane epoxide substrate at pH 6.5 for 2 hours to produce halogenated product.
Crystal Properties
Matthews coefficientSolvent content
2.0941.06

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 69.21α = 90
b = 46.19β = 98
c = 92.14γ = 90
Symmetry
Space GroupP 1 21 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100PIXELDECTRIS PILATUS 6M2018-08-05MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONDIAMOND BEAMLINE I030.97625DiamondI03

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
11.6146.1997.50.99912.23.273190
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)
11.611.640.43

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (All)R-WorkR-FreeMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTFREE R-VALUE5ng71.6145.66373175360397.4480.1820.18030.222633.552
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]
-1.032-1.5340.2441.173
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg33.828
r_dihedral_angle_4_deg23.874
r_dihedral_angle_3_deg16.664
r_lrange_it11.018
r_scangle_it10.36
r_scbond_it8.969
r_mcangle_it6.892
r_mcbond_it5.896
r_dihedral_angle_1_deg5.804
r_angle_refined_deg1.727
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg33.828
r_dihedral_angle_4_deg23.874
r_dihedral_angle_3_deg16.664
r_lrange_it11.018
r_scangle_it10.36
r_scbond_it8.969
r_mcangle_it6.892
r_mcbond_it5.896
r_dihedral_angle_1_deg5.804
r_angle_refined_deg1.727
r_nbtor_refined0.32
r_symmetry_nbd_refined0.28
r_nbd_refined0.23
r_symmetry_xyhbond_nbd_refined0.179
r_xyhbond_nbd_refined0.174
r_chiral_restr0.118
r_ncsr_local_group_10.116
r_bond_refined_d0.011
r_gen_planes_refined0.011
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms4839
Nucleic Acid Atoms
Solvent Atoms300
Heterogen Atoms83

Software

Software
Software NamePurpose
REFMACrefinement
XDSdata reduction
XSCALEdata scaling
MOLREPphasing
Cootmodel building
BUSTERrefinement
PARROTphasing