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CRYSTAL STRUCTURE OF THE CELLULASE CEL9M OF C. CELLULOLYTICIUM IN COMPLEX WITH CELLOBIOSE
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1IA6 PDB ENTRY 1IA6
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 7.5 290 ammonium sulfate, calcium chloride, Hepes, Ethylene glycol, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 290K
Crystal Properties Matthews coefficient Solvent content 1.9 35.36
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 51.85 α = 90 b = 52.38 β = 108.46 c = 71.97 γ = 90
Symmetry Space Group P 1 21 1
Diffraction Diffraction Experiment ID # Crystal ID Scattering Type Data Collection Temperature Detector Detector Type Details Collection Date Monochromator Protocol 1 1 x-ray 100 IMAGE PLATE MARRESEARCH Osmic confocal mirrors 2001-01-23 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 ROTATING ANODE ENRAF-NONIUS FU581 1.5418
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge I (Observed) R Sym 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 2 16 98.9 0.12 0.095 7.1 4.6 110767 24339 10
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R Merge I (Observed) R-Sym I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 2 2.07 94.3 0.412 0.315 2.2 3.2 2244
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Starting model Resolution (High) Resolution (Low) Number Reflections (All) Number Reflections (Observed) Number Reflections (R-Free) Percent Reflections (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 1IA6 2 16.23 24298 24298 1229 97.6 0.168 0.1727 0.22 0.2231 OTHER from free structure 14.1
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] 0.95 -0.87 -1.42 0.46
RMS Deviations Key Refinement Restraint Deviation c_dihedral_angle_d 21.6 c_scangle_it 2.29 c_scbond_it 1.75 c_mcangle_it 1.58 c_angle_deg 1.2 c_mcbond_it 1.13 c_improper_angle_d 0.72 c_bond_d 0.005 c_bond_d_na c_bond_d_prot
RMS Deviations Key Refinement Restraint Deviation c_dihedral_angle_d 21.6 c_scangle_it 2.29 c_scbond_it 1.75 c_mcangle_it 1.58 c_angle_deg 1.2 c_mcbond_it 1.13 c_improper_angle_d 0.72 c_bond_d 0.005 c_bond_d_na c_bond_d_prot c_angle_d c_angle_d_na c_angle_d_prot c_angle_deg_na c_angle_deg_prot c_dihedral_angle_d_na c_dihedral_angle_d_prot c_improper_angle_d_na c_improper_angle_d_prot
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 3407 Nucleic Acid Atoms Solvent Atoms 326 Heterogen Atoms 43
Software Software Software Name Purpose DENZO data reduction SCALA data scaling CNS refinement CCP4 data scaling CNS phasing