6FWQ

Structure of an E333Q variant of the GH99 endo-alpha-mannanase from Bacteroides xylanisolvens in complex with alpha-1,3-mannobiose and alpha-1,2-mannobiose


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 5M17 

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP6.82923 M sodium acetate, pH 6.8
Crystal Properties
Matthews coefficientSolvent content
2.3146.78

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 108.651α = 90
b = 108.651β = 90
c = 68.813γ = 90
Symmetry
Space GroupI 4

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100PIXELDECTRIS PILATUS 6M-F2016-06-19MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONDIAMOND BEAMLINE I04-10.9282DiamondI04-1

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge I (Observed)Rrim I (All)Rpim I (All)CC (Half)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
11.6576.8399.60.0840.0970.0470.9958.244794725.7
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)Rrim I (All)Rpim I (All)CC (Half)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
11.651.6899.81.0141.1710.5780.4061.14.1

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 REPLACEMENTTHROUGHOUT5M171.6576.8345571237699.490.148460.146330.18875RANDOM26.855
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]
0.810.81-1.63
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg36.056
r_sphericity_free29.337
r_dihedral_angle_4_deg15.651
r_dihedral_angle_3_deg12.431
r_sphericity_bonded10.334
r_dihedral_angle_1_deg5.71
r_long_range_B_refined3.962
r_long_range_B_other3.88
r_scangle_other3.371
r_mcangle_it3.027
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg36.056
r_sphericity_free29.337
r_dihedral_angle_4_deg15.651
r_dihedral_angle_3_deg12.431
r_sphericity_bonded10.334
r_dihedral_angle_1_deg5.71
r_long_range_B_refined3.962
r_long_range_B_other3.88
r_scangle_other3.371
r_mcangle_it3.027
r_mcangle_other3.027
r_scbond_it2.821
r_scbond_other2.821
r_mcbond_it2.476
r_mcbond_other2.475
r_rigid_bond_restr2.298
r_angle_refined_deg1.411
r_angle_other_deg1.008
r_chiral_restr0.093
r_bond_refined_d0.014
r_gen_planes_refined0.008
r_bond_other_d0.002
r_gen_planes_other0.001
r_nbd_refined
r_nbd_other
r_nbtor_refined
r_nbtor_other
r_xyhbond_nbd_refined
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_refined
r_symmetry_vdw_other
r_symmetry_hbond_refined
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_scangle_it
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms2761
Nucleic Acid Atoms
Solvent Atoms160
Heterogen Atoms47

Software

Software
Software NamePurpose
REFMACrefinement
xia2data reduction
Aimlessdata scaling
REFMACphasing