3FVT

Crystal Structure of Acetyl Xylan Esterase from Bacillus pumilus, monoclinic crystal form II


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1MICROBATCH62930.5M lithium chloride, 5% PEG 6000, 0.1M MES, pH 6.0, microbatch, temperature 293K
Crystal Properties
Matthews coefficientSolvent content
2.4750.16

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 144.039α = 90
b = 87.205β = 112.87
c = 184.825γ = 90
Symmetry
Space GroupP 1 21 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDMAR CCD 165 mm2002-10-31MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONELETTRA BEAMLINE 5.2R1.278ELETTRA5.2R

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
11.929.7589.90.0853.1298796298796-322.73
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)
1.91.9180.70.36622.59621

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 DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUTPDB entry 1ODS1.929.742984502984502979989.90.2110.2110.2110.264RANDOM22.086
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]
-1.820.61-0.762.58
RMS Deviations
KeyRefinement Restraint Deviation
c_dihedral_angle_d23.3
c_scangle_it3.7
c_scbond_it2.95
c_mcangle_it2.43
c_mcbond_it1.93
c_angle_deg1.5
c_improper_angle_d0.9
c_bond_d0.01
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms30462
Nucleic Acid Atoms
Solvent Atoms3152
Heterogen Atoms36

Software

Software
Software NamePurpose
DENZOdata reduction
SCALEPACKdata scaling
AMoREphasing
CNSrefinement
PDB_EXTRACTdata extraction
MAR345data collection