3AS1

Crystal Structure Analysis of Chitinase A from Vibrio harveyi with novel inhibitors - W275G mutant complex structure with chelerythrine


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1hanging drop5.529326%(w/v) PEG 4000, 0.2M Ammonium Acetate, 0.1M Sodium Acetate, pH 5.5, hanging drop, temperature 293K
Crystal Properties
Matthew coefficientSolvent content
2.2946.37

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 67.37α = 90
b = 83.61β = 90
c = 103.77γ = 90
Symmetry
Space GroupP 21 21 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDMARMOSAIC 225 mm CCD2009-04-04MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONSLS BEAMLINE X10SA0.87933SLSX10SA

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
1219.95699.80.13512.8840228-324.202
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)
122.0599.90.5160.5565

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 REPLACEMENTTHROUGHOUT3b9a219.95640227201299.770.15560.1530.2053RANDOM19.6941
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]
-0.10.040.06
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg38.583
r_dihedral_angle_3_deg14.471
r_dihedral_angle_4_deg12.32
r_dihedral_angle_1_deg6.461
r_angle_refined_deg1.862
r_chiral_restr0.171
r_bond_refined_d0.025
r_gen_planes_refined0.01
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms4359
Nucleic Acid Atoms
Solvent Atoms459
Heterogen Atoms58

Software

Software
Software NamePurpose
XSCALEdata scaling
REFMACrefinement
PDB_EXTRACTdata extraction