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Structural and biochemical characterization of a novel Carbohydrate Binding Module of endoglucanase Cel5A from Eubacterium cellulosolvens with a partially bound cellotetraose moeity.
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 4AEK PDB ENTRY 4AEK
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 4.6 292 101 MG/ML PROTEIN COCRYSTALLISED WITH 1 0 MM CELLOHEXAOSE AT 292 K WITH 0.2 M AMMONIUM SULFATE, 0.1 M SODIUM ACETATE TRIHYDRATE PH 4.6, 26% W/V PEG 2K MME. 30% GLYCEROL WAS USED AS CRYOPROTECTANT IN MOTHER LIQUOR SOLUTION.
Crystal Properties Matthews coefficient Solvent content 2.23 45.05
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 48.773 α = 90 b = 48.773 β = 90 c = 193.719 γ = 120
Symmetry Space Group P 61 2 2
Diffraction Diffraction Experiment ID # Crystal ID Scattering Type Data Collection Temperature Detector Detector Type Details Collection Date Monochromator Protocol 1 1 x-ray 100 PIXEL DECTRIS PILATUS 6M 2011-10-07 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON SOLEIL BEAMLINE PROXIMA 1 SOLEIL PROXIMA 1
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 1.34 42.24 96.9 0.05 26.3 10.7 30670
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 1.34 1.41 93.6 0.48 5 10.8
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 PDB ENTRY 4AEK 1.34 42.24 29148 1522 96.11 0.16655 0.16548 0.1632 0.18681 0.1849 RANDOM 15.58
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] 0.05 0.02 0.05 -0.07
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 40.185 r_dihedral_angle_3_deg 12.485 r_dihedral_angle_4_deg 11.176 r_dihedral_angle_1_deg 8.694 r_angle_refined_deg 2.623 r_chiral_restr 0.156 r_bond_refined_d 0.029 r_gen_planes_refined 0.016 r_bond_other_d r_angle_other_deg
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 40.185 r_dihedral_angle_3_deg 12.485 r_dihedral_angle_4_deg 11.176 r_dihedral_angle_1_deg 8.694 r_angle_refined_deg 2.623 r_chiral_restr 0.156 r_bond_refined_d 0.029 r_gen_planes_refined 0.016 r_bond_other_d r_angle_other_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_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 Atoms Number Protein Atoms 1009 Nucleic Acid Atoms Solvent Atoms 202 Heterogen Atoms 45
Software Software Software Name Purpose REFMAC refinement XDS data reduction SCALA data scaling PHASER phasing