2C26

Structural basis for the promiscuous specificity of the carbohydrate- binding modules from the beta-sandwich super family


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
14.50.1M NA ACETATE,PH 4.5, 0.2M CACL2, 20% ISOPROPANOL, 10MM CDCL2
Crystal Properties
Matthews coefficientSolvent content
3.665

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 87.469α = 90
b = 87.469β = 90
c = 103.189γ = 90
Symmetry
Space GroupP 43 21 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDADSC CCD2005-05-01MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONESRF BEAMLINE ID14-4ESRFID14-4

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
12.161.999.50.0715.16.1239141.345.01
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)
12.12.2196.70.721.33.1

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodResolution (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 DIFFRACTIONSADTHROUGHOUT2.166.6722667120799.40.1760.1740.22RANDOM45.41
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]
0.180.18-0.36
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg36.942
r_dihedral_angle_4_deg16.758
r_dihedral_angle_3_deg14.188
r_dihedral_angle_1_deg6.93
r_scangle_it1.9
r_angle_refined_deg1.239
r_scbond_it1.199
r_mcangle_it0.862
r_mcbond_it0.523
r_nbtor_refined0.301
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg36.942
r_dihedral_angle_4_deg16.758
r_dihedral_angle_3_deg14.188
r_dihedral_angle_1_deg6.93
r_scangle_it1.9
r_angle_refined_deg1.239
r_scbond_it1.199
r_mcangle_it0.862
r_mcbond_it0.523
r_nbtor_refined0.301
r_symmetry_vdw_refined0.231
r_nbd_refined0.198
r_symmetry_hbond_refined0.183
r_xyhbond_nbd_refined0.163
r_chiral_restr0.081
r_bond_refined_d0.01
r_gen_planes_refined0.004
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_other
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 Atoms1936
Nucleic Acid Atoms
Solvent Atoms382
Heterogen Atoms50

Software

Software
Software NamePurpose
REFMACrefinement
MOSFLMdata reduction
SCALAdata scaling
SHELXDphasing