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Crystal structure of endoglucanase CelQ from Clostridium thermocellum complexed with cellotriose
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1GA2
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, SITTING DROP 8.5 295 9-12%(w/v) PEG 3350, 15-20%(v/v) PEG 550MME, 30mM NaBr, 30mM NaF and 30mM NaI, 0.1M Tris
Crystal Properties Matthews coefficient Solvent content 2.88 57.3
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 106.546 α = 90 b = 108.623 β = 90 c = 137.716 γ = 90
Symmetry Space Group P 21 21 21
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 315r Vertically Collimating Premirror, Toroidal Focusing Mirror 2013-03-26 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON NSRRC BEAMLINE BL13B1 1.00000 NSRRC BL13B1
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 1.99 30 99.9 0.136 13.9 7.3 108829 1 28.7
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 1.99 2.06 100 0.576 2.5 7.4
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 1GA2 1.99 25.94 108469 5408 98.72 0.15625 0.15478 0.1563 0.1842 0.1866 RANDOM 20.898
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] -1.01 1.01
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 34.884 r_dihedral_angle_4_deg 13.851 r_dihedral_angle_3_deg 13.251 r_dihedral_angle_1_deg 6.187 r_scangle_it 5.065 r_scbond_it 3.313 r_mcangle_it 1.934 r_angle_refined_deg 1.377 r_mcbond_it 1.169 r_chiral_restr 0.1
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 34.884 r_dihedral_angle_4_deg 13.851 r_dihedral_angle_3_deg 13.251 r_dihedral_angle_1_deg 6.187 r_scangle_it 5.065 r_scbond_it 3.313 r_mcangle_it 1.934 r_angle_refined_deg 1.377 r_mcbond_it 1.169 r_chiral_restr 0.1 r_bond_refined_d 0.007 r_gen_planes_refined 0.007 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_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 Atoms Number Protein Atoms 9592 Nucleic Acid Atoms Solvent Atoms 905 Heterogen Atoms 88
Software Software Software Name Purpose REFMAC refinement HKL-2000 data reduction HKL-2000 data scaling PHASER phasing