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Crystal structure of cold-adapted chitinase from Moritella marina
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 3IAN PDB ENTRY 3ian
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 5.5 277 23% PEG 4000 w/v, 0.16M ammonium sulphate, 0.1M citrate buffer, pH 5.5., VAPOR DIFFUSION, HANGING DROP, temperature 277K
Crystal Properties Matthews coefficient Solvent content 2.9 57.53
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 67.622 α = 90 b = 67.622 β = 90 c = 257.188 γ = 120
Symmetry Space Group P 31 1 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 RAYONIX MX-225 2011-03-19 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON BESSY BEAMLINE 14.2 0.91841 BESSY 14.2
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 2.1 50 95.5 0.071 10.3 8.5 38154 38154
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 2.1 2.14 69.6 0.451 5.5
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 (DCC) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT THROUGHOUT PDB ENTRY 3ian 2.1 38.65 37983 36796 1187 95.18 0.19007 0.18832 0.1983 0.246 0.2558 RANDOM 43.613
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] 3.2 1.6 3.2 -4.8
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 39.07 r_dihedral_angle_3_deg 15.588 r_dihedral_angle_4_deg 10.796 r_dihedral_angle_1_deg 6.377 r_angle_refined_deg 1.854 r_angle_other_deg 1.061 r_chiral_restr 0.111 r_bond_refined_d 0.018 r_gen_planes_refined 0.009 r_bond_other_d 0.003
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 39.07 r_dihedral_angle_3_deg 15.588 r_dihedral_angle_4_deg 10.796 r_dihedral_angle_1_deg 6.377 r_angle_refined_deg 1.854 r_angle_other_deg 1.061 r_chiral_restr 0.111 r_bond_refined_d 0.018 r_gen_planes_refined 0.009 r_bond_other_d 0.003 r_gen_planes_other 0.001 r_nbd_refined r_nbd_other r_nbtor_refined r_nbtor_other r_xyhbond_nbd_refined r_xyhbond_nbd_other r_metal_ion_refined r_metal_ion_other r_symmetry_vdw_refined r_symmetry_vdw_other r_symmetry_hbond_refined r_symmetry_hbond_other r_symmetry_metal_ion_refined r_symmetry_metal_ion_other r_mcbond_it r_mcbond_other r_mcangle_it r_scbond_it r_scangle_it r_rigid_bond_restr r_sphericity_free r_sphericity_bonded
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 4137 Nucleic Acid Atoms Solvent Atoms 261 Heterogen Atoms 7
Software Software Software Name Purpose DENZO data reduction SCALEPACK data scaling PHASER phasing REFMAC refinement PDB_EXTRACT data extraction MAR345dtb data collection