6JG1

Crystal structure of barley exohydrolaseI wildtype in complex with 4I,4III,4V-S-trithiocellohexaose


X-RAY DIFFRACTION

Starting Model(s)

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

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP72771.7 M ammonium sulfate, 75 mM HEPES-NaOH buffer, pH 7, containing 7.5 mM sodium acetate and 1.2% (w/v) PEG 400
Crystal Properties
Matthews coefficientSolvent content
3.4664.43

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 99.758α = 90
b = 99.758β = 90
c = 183.165γ = 90
Symmetry
Space GroupP 43 21 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDADSC QUANTUM 210rCOLLIMATING MIRROR2012-11-22MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONAUSTRALIAN SYNCHROTRON BEAMLINE MX10.9537Australian SynchrotronMX1

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge I (Observed)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
11.7848.1799.910.09225.92984211
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
11.781.830.8

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUT3WLI1.7848.1784211444799.910.137810.136410.16423RANDOM22.743
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]
0.310.31-0.61
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg38.163
r_dihedral_angle_4_deg17.066
r_dihedral_angle_3_deg13.323
r_dihedral_angle_1_deg6.863
r_angle_refined_deg2.366
r_angle_other_deg2.011
r_chiral_restr0.152
r_bond_refined_d0.025
r_gen_planes_refined0.012
r_bond_other_d0.001
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg38.163
r_dihedral_angle_4_deg17.066
r_dihedral_angle_3_deg13.323
r_dihedral_angle_1_deg6.863
r_angle_refined_deg2.366
r_angle_other_deg2.011
r_chiral_restr0.152
r_bond_refined_d0.025
r_gen_planes_refined0.012
r_bond_other_d0.001
r_gen_planes_other0.001
r_nbd_refined
r_nbd_other
r_nbtor_refined
r_nbtor_other
r_xyhbond_nbd_refined
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_refined
r_symmetry_vdw_other
r_symmetry_hbond_refined
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcbond_it
r_mcbond_other
r_mcangle_it
r_mcangle_other
r_scbond_it
r_scbond_other
r_scangle_it
r_scangle_other
r_long_range_B_refined
r_long_range_B_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms4596
Nucleic Acid Atoms
Solvent Atoms545
Heterogen Atoms169

Software

Software
Software NamePurpose
REFMACrefinement
XDSdata reduction
Aimlessdata scaling
MOLREPphasing