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Crystal structure of Cel44A, GH family 44 endoglucanase from Clostridium thermocellum
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 2E4T
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 5.8 293 0.1M MES-NaOH pH5.8, 16% (w/v) PEG MME 550, 6mM ZnSO4, VAPOR DIFFUSION, HANGING DROP, temperature 293K
Crystal Properties Matthews coefficient Solvent content 2.1 41.45
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 47.944 α = 90 b = 59.12 β = 90 c = 171.113 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 315 mirrors 2005-11-05 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON SPRING-8 BEAMLINE BL41XU 1.0000 SPring-8 BL41XU
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (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 50 96.9 0.075 12.25 4.8 33830 32781 -3 -3 4.4
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R-Sym I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 2 2.07 81.7 0.159 4.18 3.5 2699
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 2E4T 2 19.72 32666 1623 96.7 0.165 0.165 0.174 0.201 0.1751 RANDOM 13.9
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] -0.35 -4.82 5.17
RMS Deviations Key Refinement Restraint Deviation c_dihedral_angle_d 23.6 c_scangle_it 2.73 c_scbond_it 1.91 c_mcangle_it 1.47 c_angle_deg 1.3 c_mcbond_it 1.05 c_improper_angle_d 0.76 c_bond_d 0.006 c_bond_d_na c_bond_d_prot
RMS Deviations Key Refinement Restraint Deviation c_dihedral_angle_d 23.6 c_scangle_it 2.73 c_scbond_it 1.91 c_mcangle_it 1.47 c_angle_deg 1.3 c_mcbond_it 1.05 c_improper_angle_d 0.76 c_bond_d 0.006 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 4012 Nucleic Acid Atoms Solvent Atoms 459 Heterogen Atoms 71
Software Software Software Name Purpose CNS refinement ADSC data collection DENZO data reduction SCALEPACK data scaling CNS phasing