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Crystal Structure Analysis of Chitinase A from Vibrio harveyi with novel inhibitors - apo structure of mutant W275G
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 3B9A
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 hanging drop 5.5 293 26%(w/v) PEG 4000, 0.2M Ammonium Acetate, 0.1M Sodium Acetate, pH 5.5, hanging drop, temperature 293K
Crystal Properties Matthews coefficient Solvent content 2.23 44.94
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 66.55 α = 90 b = 83.58 β = 90 c = 102.36 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 IMAGE PLATE MARRESEARCH helios mirrors 2009-01-07 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 ROTATING ANODE BRUKER AXS MICROSTAR 1.5418
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 2.45 19.776 97 0.087 13.52 20987 -3 24.745
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R Merge I (Observed) Rrim I (All) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 2.45 2.51 85.8 0.4 0.481 3
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 3B9A 2.45 19.776 20986 1050 97.01 0.2008 0.1978 0.1985 0.2587 0.2574 RANDOM 19.649
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] -0.39 0.08 0.31
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 35.955 r_dihedral_angle_3_deg 13.984 r_dihedral_angle_4_deg 7.347 r_dihedral_angle_1_deg 4.7 r_angle_refined_deg 0.865 r_chiral_restr 0.06 r_bond_refined_d 0.006 r_gen_planes_refined 0.003
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 4344 Nucleic Acid Atoms Solvent Atoms 385 Heterogen Atoms
Software Software Software Name Purpose XSCALE data scaling REFMAC refinement PDB_EXTRACT data extraction