2A3E

Crystal structure of Aspergillus fumigatus chitinase B1 in complex with allosamidin


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP9.5293Tris/HCl, Li2SO4, pH 9.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K
Crystal Properties
Matthew coefficientSolvent content
3.666

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 117.889α = 90
b = 117.889β = 90
c = 99.519γ = 90
Symmetry
Space GroupP 41

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray173IMAGE PLATERIGAKU RAXIS IV2003-12-01MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1ROTATING ANODERIGAKU1.5418

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
11.952099.80.06327.32.9987509875029.8
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)
1.952.0299.70.5632.29816

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Number Reflections (All)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (All)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONknown phasesTHROUGHOUTPDB entry 1W9P1.9520987469874619751000.1910.1910.1910.219RANDOM30
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]
RMS Deviations
KeyRefinement Restraint Deviation
c_dihedral_angle_d23.6
c_scangle_it2.89
c_scbond_it2.14
c_mcangle_it2
c_angle_deg1.48
c_mcbond_it1.44
c_improper_angle_d0.96
c_bond_d0.0095
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms6140
Nucleic Acid Atoms
Solvent Atoms908
Heterogen Atoms101

Software

Software
Software NamePurpose
DENZOdata reduction
SCALEPACKdata scaling
PHASESphasing
CNSrefinement