6LBB

Crystal structure of barley exohydrolaseI W434A mutant 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
3.564.89

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 100.565α = 90
b = 100.565β = 90
c = 182.306γ = 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
11.888.0699.80.06743.224.182693
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)
11.81.850.067

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 REPLACEMENTTHROUGHOUT3WLI1.846.2482693436799.780.13810.13680.1613RANDOM25.035
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]
0.730.73-1.46
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg38.668
r_dihedral_angle_4_deg16.075
r_dihedral_angle_3_deg13.518
r_dihedral_angle_1_deg6.612
r_angle_refined_deg2.268
r_angle_other_deg1.639
r_chiral_restr0.138
r_bond_refined_d0.024
r_gen_planes_refined0.012
r_bond_other_d0.001
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg38.668
r_dihedral_angle_4_deg16.075
r_dihedral_angle_3_deg13.518
r_dihedral_angle_1_deg6.612
r_angle_refined_deg2.268
r_angle_other_deg1.639
r_chiral_restr0.138
r_bond_refined_d0.024
r_gen_planes_refined0.012
r_bond_other_d0.001
r_gen_planes_other0.001
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms4587
Nucleic Acid Atoms
Solvent Atoms755
Heterogen Atoms166

Software

Software
Software NamePurpose
Aimlessdata scaling
REFMACrefinement
PDB_EXTRACTdata extraction
XDSdata reduction
MOLREPphasing