4AD4

Structure of the GH99 endo-alpha-mannosidase from Bacteroides xylanisolvens in complex with glucose-1,3-isofagomine and alpha-1,2- mannobiose


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelOtherPREVIOUSLY SOLVED STRUCTURE OF CLOSELY RELATED HOMOLOG

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
15.50.1 M SODIUM ACETATE PH 4.9, 20% W/V PEG 2000 MME, 1.6% PGA-LM (POLY-GAMMA-GLUTAMIC ACID, LOW MOLECULAR WEIGHT)
Crystal Properties
Matthews coefficientSolvent content
2.3146.78

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 108.37α = 90
b = 108.37β = 90
c = 67.65γ = 90
Symmetry
Space GroupI 4

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray120IMAGE PLATERAYONIXOSMICS MULTILAYER OPTICS2011-05-31MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1ROTATING ANODERIGAKU MICROMAX-007 HF

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
11.9401000.0524.86.130956216.1
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)
11.921000.15106

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 REPLACEMENTTHROUGHOUTPREVIOUSLY SOLVED STRUCTURE OF CLOSELY RELATED HOMOLOG1.939.429386156499.960.158170.156480.18994RANDOM16.667
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]
0.010.01-0.02
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg37.249
r_dihedral_angle_4_deg14.85
r_dihedral_angle_3_deg13.667
r_dihedral_angle_1_deg5.892
r_angle_refined_deg1.202
r_mcangle_it1.202
r_nbtor_refined0.314
r_nbd_refined0.199
r_symmetry_hbond_refined0.174
r_symmetry_vdw_refined0.147
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg37.249
r_dihedral_angle_4_deg14.85
r_dihedral_angle_3_deg13.667
r_dihedral_angle_1_deg5.892
r_angle_refined_deg1.202
r_mcangle_it1.202
r_nbtor_refined0.314
r_nbd_refined0.199
r_symmetry_hbond_refined0.174
r_symmetry_vdw_refined0.147
r_xyhbond_nbd_refined0.129
r_chiral_restr0.09
r_bond_refined_d0.011
r_mcbond_it0.011
r_gen_planes_refined0.006
r_bond_other_d
r_angle_other_deg
r_gen_planes_other
r_nbd_other
r_nbtor_other
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_other
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcbond_other
r_mcangle_other
r_scbond_it
r_scbond_other
r_scangle_it
r_scangle_other
r_long_range_B_refined
r_long_range_B_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms2824
Nucleic Acid Atoms
Solvent Atoms405
Heterogen Atoms44

Software

Software
Software NamePurpose
REFMACrefinement
MOSFLMdata reduction
SCALAdata scaling
MOLREPphasing