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Crystal structure of CeCht1, a nematode I family chitinase from C. elegans
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 293 PEG 3.350, Tris
Crystal Properties Matthews coefficient Solvent content 2.1 41.56
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 47.571 α = 90 b = 66.935 β = 102.709 c = 57.352 γ = 90
Symmetry Space Group P 1 21 1
Diffraction Diffraction Experiment ID # Crystal ID Scattering Type Data Collection Temperature Detector Detector Type Details Collection Date Monochromator Protocol 1 1 x-ray 100 PIXEL DECTRIS PILATUS3 6M 2016-01-21 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON SSRF BEAMLINE BL18U1 0.9778 SSRF BL18U1
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 1.7 50 99 0.083 9.199 3.3 38049 12.8025320272
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 1.7 1.73 0.401
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation 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 FREE R-VALUE 3W4R 1.701 42.927 1.34013105416 38049 2000 98.5189404728 0.168286066436 0.166080997391 0.1665 0.208848124346 0.2101 15.5496121088
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 16.3269703965 f_angle_d 0.906216666134 f_chiral_restr 0.0586631307443 f_bond_d 0.00679466991348 f_plane_restr 0.00620318966322
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 2994 Nucleic Acid Atoms Solvent Atoms 493 Heterogen Atoms 26
Software Software Software Name Purpose PHENIX refinement HKL-3000 data reduction HKL-3000 data scaling PHASER phasing