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Crystal structure of chloride bound Brassica juncea chitinase catalytic module (Bjchi3)
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 2Z37 PDB ENTRY 2Z37
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, SITTING DROP 6.6 295 25% mono methyl PEG 5000, 0.5M LiCl, 0.1M cacodylate buffer, pH 6.6, VAPOR DIFFUSION, SITTING DROP, temperature 295K
Crystal Properties Matthews coefficient Solvent content 2.1 40.2
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 48.475 α = 90 b = 49.195 β = 90 c = 100.907 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 4 2004-02-01 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON ESRF BEAMLINE ID14-2 0.934 ESRF ID14-2
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 1.8 30 99.7 0.112 19.7 6.8 23001
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) 1.8 1.83 100 0.311 6.9 1125
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-Free (Depositor) R-Free (DCC) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT THROUGHOUT PDB ENTRY 2Z37 1.8 27.63 22946 1382 100 0.157 0.155 0.198 0.2352 RANDOM 13.079
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] -0.43 -0.05 0.48
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 32.992 r_dihedral_angle_4_deg 17.861 r_dihedral_angle_3_deg 13.101 r_dihedral_angle_1_deg 4.826 r_scangle_it 4.123 r_scbond_it 2.744 r_mcangle_it 1.688 r_angle_refined_deg 1.156 r_mcbond_it 1.071 r_nbtor_refined 0.314
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 32.992 r_dihedral_angle_4_deg 17.861 r_dihedral_angle_3_deg 13.101 r_dihedral_angle_1_deg 4.826 r_scangle_it 4.123 r_scbond_it 2.744 r_mcangle_it 1.688 r_angle_refined_deg 1.156 r_mcbond_it 1.071 r_nbtor_refined 0.314 r_nbd_refined 0.199 r_symmetry_hbond_refined 0.198 r_symmetry_vdw_refined 0.157 r_xyhbond_nbd_refined 0.141 r_chiral_restr 0.09 r_bond_refined_d 0.01 r_gen_planes_refined 0.005
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 1936 Nucleic Acid Atoms Solvent Atoms 249 Heterogen Atoms 12
Software Software Software Name Purpose DENZO data reduction SCALEPACK data scaling PHASER phasing REFMAC refinement PDB_EXTRACT data extraction ADSC data collection