3AS3

Crystal Structure Analysis of Chitinase A from Vibrio harveyi with novel inhibitors - W275G mutant complex structure with 2-(imidazolin-2-yl)-5-isothiocyanatobenzofuran


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1hanging drop5.529326%(w/v) PEG4000, 0.2M Ammonium Acetate, 0.1M Sodium Acetate, pH 5.5, hanging drop, temperature 293K
Crystal Properties
Matthew coefficientSolvent content
2.2645.48

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 66.87α = 90
b = 83.57β = 90
c = 102.89γ = 90
Symmetry
Space GroupP 21 21 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDMARMOSAIC 225 mm CCD2009-04-30MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONSLS BEAMLINE X10SA1.00SLSX10SA

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
12.446.57599.70.11413.1623105-329.777
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)Rrim I (All)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
12.42.599.80.4750.5486.1

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 REPLACEMENTTHROUGHOUT3b9a2.446.5723104115699.710.15820.15450.2298RANDOM22.8891
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]
0.120.07-0.18
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg39.59
r_dihedral_angle_3_deg16.607
r_dihedral_angle_4_deg12.222
r_dihedral_angle_1_deg6.463
r_angle_refined_deg1.748
r_chiral_restr0.119
r_bond_refined_d0.019
r_gen_planes_refined0.008
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms4344
Nucleic Acid Atoms
Solvent Atoms224
Heterogen Atoms40

Software

Software
Software NamePurpose
XSCALEdata scaling
REFMACrefinement
PDB_EXTRACTdata extraction