3EMQ

Crystal structure of xilanase XynB from Paenibacillus barcelonensis complexed with an inhibitor


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 3EMC 

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION729835% (v/v) MPD, 17% (w/v) PEG 3350, 100 mM tris, 10mM inhibitor , VAPOR DIFFUSION, temperature 298K
Crystal Properties
Matthews coefficientSolvent content
2.1542.68

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 44.39α = 90
b = 79.64β = 90
c = 93.42γ = 90
Symmetry
Space GroupP 21 21 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray120CCDNonius Kappa CCDosmic mirrors2007-11-23MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1ROTATING ANODEENRAF-NONIUS FR5911.5418

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
12.6150900.10310.25.8105381003838.6
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)R-Sym I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
2.612.73110.650.652.43.21261

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUT3EMC2.7316.92921167799.30.2080.306random25.734
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]
1.129-6.295.161
RMS Deviations
KeyRefinement Restraint Deviation
c_scangle_it2.478
c_mcangle_it1.906
c_scbond_it1.621
c_angle_d1.29
c_mcbond_it1.127
c_bond_d0.007
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms2715
Nucleic Acid Atoms
Solvent Atoms265
Heterogen Atoms18

Software

Software
Software NamePurpose
DENZOdata reduction
SCALEPACKdata scaling
MOLREPphasing
CNSrefinement
PDB_EXTRACTdata extraction
HKL-2000data collection