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Chitinase B from Serratia marcescens inactive mutant E144Q in complex with N-acetylglucosamine-pentamer
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1E15 PDB ENTRY 1E15
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 7 2.0M AMMONIUM SULFATE, 20% GLYCEROL, HEPES PH 7.0
Crystal Properties Matthews coefficient Solvent content 2.5 50.6
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 55.732 α = 90 b = 104.476 β = 90 c = 186.676 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 MARRESEARCH 2000-03-27 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON ESRF BEAMLINE ID14-1 ESRF ID14-1
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 2.25 40 89.8 0.046 22.6 2.6 47907 17.7
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 2.25 2.33 63.1 0.195 4.7 1
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 1E15 2.25 38.58 47782 985 90.6 0.189 0.189 0.2053 0.239 0.2511 RANDOM 28
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] 3.28 6.76 -10.04
RMS Deviations Key Refinement Restraint Deviation c_dihedral_angle_d 23.9 c_scangle_it 2.8 c_mcangle_it 2.08 c_scbond_it 2.05 c_angle_deg 1.5 c_mcbond_it 1.35 c_improper_angle_d 0.94 c_bond_d 0.01 c_bond_d_na c_bond_d_prot
RMS Deviations Key Refinement Restraint Deviation c_dihedral_angle_d 23.9 c_scangle_it 2.8 c_mcangle_it 2.08 c_scbond_it 2.05 c_angle_deg 1.5 c_mcbond_it 1.35 c_improper_angle_d 0.94 c_bond_d 0.01 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 7784 Nucleic Acid Atoms Solvent Atoms 441 Heterogen Atoms 208
Software Software Software Name Purpose CNS refinement DENZO data reduction SCALEPACK data scaling CNS phasing