4M29

Structure of a GH39 Beta-xylosidase from Caulobacter crescentus


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP62930.1 M MES, 12% PEG6000, 0.05 M NaCl, pH 6.0, VAPOR DIFFUSION, HANGING DROP, temperature 293K
Crystal Properties
Matthews coefficientSolvent content
2.0239.25

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 42.287α = 90
b = 57.347β = 91.38
c = 94.05γ = 90
Symmetry
Space GroupP 1 21 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDMARMOSAIC 225 mm CCD2012-03-05MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONLNLS BEAMLINE W01B-MX21.60LNLSW01B-MX2

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (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
12.117.496.225413250821
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
12.12.1496.8

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 (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUTPDB entry 4EKJ2.117.42508224125128896.040.2310.2280.286RANDOM16.78
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]
0.59-0.15-2.051.47
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg35.239
r_dihedral_angle_4_deg20.538
r_dihedral_angle_3_deg17.281
r_dihedral_angle_1_deg7.169
r_angle_refined_deg1.9
r_angle_other_deg1.007
r_chiral_restr0.122
r_bond_refined_d0.016
r_gen_planes_refined0.009
r_bond_other_d0.002
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg35.239
r_dihedral_angle_4_deg20.538
r_dihedral_angle_3_deg17.281
r_dihedral_angle_1_deg7.169
r_angle_refined_deg1.9
r_angle_other_deg1.007
r_chiral_restr0.122
r_bond_refined_d0.016
r_gen_planes_refined0.009
r_bond_other_d0.002
r_gen_planes_other0.001
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms3558
Nucleic Acid Atoms
Solvent Atoms149
Heterogen Atoms12

Software

Software
Software NamePurpose
NatXraydata collection
PHASERphasing
REFMACrefinement
DENZOdata reduction
SCALEPACKdata scaling