2ZEX

Family 16 carbohydrate binding module


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP8.329830% PEG3350, 100mM Tris-HCL pH8.3, 200mM MgCl2, VAPOR DIFFUSION, HANGING DROP, temperature 298K
Crystal Properties
Matthews coefficientSolvent content
2.1442.46

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 32.466α = 62.03
b = 48.829β = 84.88
c = 49.356γ = 85.95
Symmetry
Space GroupP 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDMARMOSAIC 225 mm CCD2006-12-22MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONAPS BEAMLINE 22-BMAPS22-BM

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Sym 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
11.185094.20.03633.33.782565
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R-Sym I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
1.181.2287.50.20863.57690

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 REPLACEMENTTHROUGHOUT2ZEW1.22075010393794.750.156790.155620.17864RANDOM15.038
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]
-0.150.060.47-0.3-0.060.42
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg38.066
r_dihedral_angle_3_deg11.468
r_dihedral_angle_1_deg7.084
r_sphericity_free3.377
r_sphericity_bonded3.056
r_scangle_it2.65
r_scbond_it2.009
r_mcangle_it1.49
r_rigid_bond_restr1.252
r_angle_refined_deg1.241
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg38.066
r_dihedral_angle_3_deg11.468
r_dihedral_angle_1_deg7.084
r_sphericity_free3.377
r_sphericity_bonded3.056
r_scangle_it2.65
r_scbond_it2.009
r_mcangle_it1.49
r_rigid_bond_restr1.252
r_angle_refined_deg1.241
r_mcbond_it0.972
r_nbtor_refined0.314
r_symmetry_vdw_refined0.224
r_nbd_refined0.202
r_symmetry_hbond_refined0.125
r_xyhbond_nbd_refined0.109
r_chiral_restr0.084
r_angle_other_deg0.084
r_nbtor_other0.077
r_metal_ion_refined0.074
r_bond_refined_d0.008
r_gen_planes_refined0.005
r_bond_other_d
r_gen_planes_other
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms2261
Nucleic Acid Atoms
Solvent Atoms520
Heterogen Atoms114

Software

Software
Software NamePurpose
REFMACrefinement
MAR345dtbdata collection
HKL-2000data reduction
HKL-2000data scaling
PHASERphasing