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Crystal structure of Ostrinia furnacalis Group I chitinase catalytic domain E148A mutant in complex with a(GlcNAc)2
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 3W4R
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 7.9 277 100mM HEPES pH 7.9, 23% (w/v) PEG 3350, VAPOR DIFFUSION, HANGING DROP, temperature 277K
Crystal Properties Matthews coefficient Solvent content 3.48 64.65
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 94.113 α = 90 b = 94.113 β = 90 c = 122.312 γ = 120
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 315r 2013-10-03 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON SSRF BEAMLINE BL17U 1.0 SSRF BL17U
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 2.2 50 99.89 0.09 0.09 24.81 16.9 31026 31013 23.51
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) 1 2.2 2.24 98.93 0.368 0.368 12.32 17
Refinement Statistics Diffraction ID Structure Solution Method Starting model Resolution (High) Resolution (Low) Cut-off Sigma (F) 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) Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT 3W4R 2.204 38.663 1.34 30957 1992 99.85 0.1529 0.1511 0.1535 0.1796 0.1836
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]
RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 14.963 f_angle_d 1.042 f_chiral_restr 0.075 f_bond_d 0.006 f_plane_restr 0.004
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 3071 Nucleic Acid Atoms Solvent Atoms 342 Heterogen Atoms 57
Software Software Software Name Purpose HKL-2000 data collection PHASER phasing PHENIX refinement HKL-2000 data reduction HKL-2000 data scaling