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High resolution crystal structure of human chitinase in complex with demethylallosamidin
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1GUV PDB ENTRY 1GUV
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 6.5 25 % PEG 550 MME 0.01 M ZNSO4, 0.1 M MES PH 6.5
Crystal Properties Matthews coefficient Solvent content 2.5 48
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 93.827 α = 90 b = 93.827 β = 90 c = 86.903 γ = 90
Symmetry Space Group P 43 21 2
Diffraction Diffraction Experiment ID # Crystal ID Scattering Type Data Collection Temperature Detector Detector Type Details Collection Date Monochromator Protocol 1 1 x-ray 113 CCD 2002-04-15 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON ESRF BEAMLINE ID14-2 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 2.55 25 99.6 0.103 11.3 4.8 13215 41.9
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 2.55 2.64 98.9 0.642 2.3 4.8
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 MAD THROUGHOUT PDB ENTRY 1GUV 2.55 24.93 13091 258 99.7 0.213 0.213 0.2138 0.255 0.2569 RANDOM 44.4
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] 8.3 8.3 -16.6
RMS Deviations Key Refinement Restraint Deviation c_dihedral_angle_d 23 c_scangle_it 3.31 c_mcangle_it 2.48 c_scbond_it 2.25 c_mcbond_it 1.52 c_angle_deg 1.4 c_improper_angle_d 0.85 c_bond_d 0.008 c_bond_d_na c_bond_d_prot
RMS Deviations Key Refinement Restraint Deviation c_dihedral_angle_d 23 c_scangle_it 3.31 c_mcangle_it 2.48 c_scbond_it 2.25 c_mcbond_it 1.52 c_angle_deg 1.4 c_improper_angle_d 0.85 c_bond_d 0.008 c_bond_d_na c_bond_d_prot c_angle_d c_angle_d_na c_angle_d_prot c_angle_deg_na c_angle_deg_prot c_dihedral_angle_d_na c_dihedral_angle_d_prot c_improper_angle_d_na c_improper_angle_d_prot
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 2877 Nucleic Acid Atoms Solvent Atoms 52 Heterogen Atoms 42
Software Software Software Name Purpose CNS refinement DENZO data reduction SCALEPACK data scaling AMoRE phasing