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Crystal Structure of Circular Permuted CBM21 (CP90) Gives Insight into the Altered Selectivity on Carbohydrate Binding.
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 2V8L
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 4.5 293 1.26M (NH4)2SO4, 0.1M acetate pH 4.5, 0.2M NaCl , VAPOR DIFFUSION, HANGING DROP, temperature 293K
Crystal Properties Matthews coefficient Solvent content 2.06 40.29
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 66.945 α = 90 b = 66.945 β = 90 c = 44.356 γ = 90
Diffraction Diffraction Experiment ID # Crystal ID Scattering Type Data Collection Temperature Detector Detector Type Details Collection Date Monochromator Protocol 1 1 x-ray 100 CCD ADSC QUANTUM 210 Vertically Focusing Mirror, Horizontally Focusing Single Crystal Si(111) Bent Monochromator 2011-03-14 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON NSRRC BEAMLINE BL13C1 0.97622 NSRRC BL13C1
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge I (Observed) Net I Over Average Sigma (I) Redundancy Number Reflections (All) Number Reflections (Observed) Observed Criterion Sigma (F) Observed Criterion Sigma (I) B (Isotropic) From Wilson Plot 1 1.8285 66.94 99.8 0.038 49.4 7.5 14988 16.65
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R Merge I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 1.86 1.89 100 0.038 13.69 7.6
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Starting model Resolution (High) Resolution (Low) Number Reflections (Observed) Number Reflections (R-Free) Percent Reflections (Observed) R-Factor (Observed) R-Work (Depositor) R-Work (DCC) R-Free (Depositor) R-Free (DCC) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT THROUGHOUT 2V8L 1.86 24.82 14960 1681 99.8 0.15967 0.15105 0.1512 0.2356 0.2359 RANDOM 19.865
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] -0.08 -0.08 0.16
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 34.162 r_sphericity_free 23.266 r_dihedral_angle_3_deg 13.66 r_sphericity_bonded 11.759 r_dihedral_angle_1_deg 7.109 r_rigid_bond_restr 4.902 r_angle_refined_deg 1.903 r_chiral_restr 0.137 r_bond_refined_d 0.018 r_gen_planes_refined 0.009
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 34.162 r_sphericity_free 23.266 r_dihedral_angle_3_deg 13.66 r_sphericity_bonded 11.759 r_dihedral_angle_1_deg 7.109 r_rigid_bond_restr 4.902 r_angle_refined_deg 1.903 r_chiral_restr 0.137 r_bond_refined_d 0.018 r_gen_planes_refined 0.009 r_bond_other_d r_angle_other_deg r_dihedral_angle_4_deg r_gen_planes_other 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_mcbond_it r_mcbond_other r_mcangle_it r_scbond_it r_scangle_it
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 1688 Nucleic Acid Atoms Solvent Atoms 94 Heterogen Atoms 60
Software Software Software Name Purpose ADSC data collection ARP/wARP model building REFMAC refinement HKL-2000 data reduction HKL-2000 data scaling