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Crystal Structure of S. Marcescens Chitinase A Mutant W167A
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1EDQ PDB entry 1edq
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 7.5 298 Tris,PEG 3350, (NH4)2HPO4, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 298K
Crystal Properties Matthews coefficient Solvent content 4.01 69.3
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 77.588 α = 90 b = 134.065 β = 90 c = 187.904 γ = 90
Symmetry Space Group I 2 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 CCD ADSC QUANTUM 4 mirrors 2002-07-10 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON APS BEAMLINE 19-BM 1.0088 APS 19-BM
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 2.6 50 0.086 0.086 8.7 5.9 30623 30.9
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) 2.6 2.69 99.4 0.413 0.413 3.8 5
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-Factor (Observed) R-Work (Depositor) R-Work (DCC) R-Free (Depositor) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT THROUGHOUT PDB entry 1edq 2.6 19.79 29227 29227 2919 95.8 0.195 0.195 0.2088 0.235 RANDOM 35.7
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] 8.64 -11.55 2.91
RMS Deviations Key Refinement Restraint Deviation c_dihedral_angle_d 23.9 c_scangle_it 3.03 c_scbond_it 1.98 c_mcangle_it 1.91 c_angle_deg 1.2 c_mcbond_it 1.16 c_improper_angle_d 0.82 c_bond_d 0.006 c_bond_d_na c_bond_d_prot
RMS Deviations Key Refinement Restraint Deviation c_dihedral_angle_d 23.9 c_scangle_it 3.03 c_scbond_it 1.98 c_mcangle_it 1.91 c_angle_deg 1.2 c_mcbond_it 1.16 c_improper_angle_d 0.82 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 4128 Nucleic Acid Atoms Solvent Atoms 285 Heterogen Atoms
Software Software Software Name Purpose CNS refinement HKL-2000 data reduction SCALEPACK data scaling CNS phasing