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Crystal structure of Aspergillus fumigatus chitinase B1 in complex with caffeine
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1W9P PDB entry 1W9P
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 9.5 293 Tris/HCl, Li2SO4, pH 9.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K
Crystal Properties Matthews coefficient Solvent content 3.6 66
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 117.375 α = 90 b = 117.375 β = 90 c = 99.666 γ = 90
Diffraction Diffraction Experiment ID # Crystal ID Scattering Type Data Collection Temperature Detector Detector Type Details Collection Date Monochromator Protocol 1 1 x-ray 173 IMAGE PLATE RIGAKU RAXIS IV 2004-09-01 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 ROTATING ANODE RIGAKU 1.5418
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 1.9 20 99.7 0.043 27.3 3.5 105872 105872 26.4
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) 1.9 1.97 98.9 0.301 4.2 10440
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 known phases THROUGHOUT PDB entry 1W9P 1.9 20 105868 105868 1061 100 0.176 0.176 0.1776 0.202 0.2045 RANDOM 26
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 c_dihedral_angle_d 23.8 c_scangle_it 3.04 c_scbond_it 2.23 c_mcangle_it 1.93 c_angle_deg 1.45 c_mcbond_it 1.44 c_improper_angle_d 0.91 c_bond_d 0.0099
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 6152 Nucleic Acid Atoms Solvent Atoms 969 Heterogen Atoms 144
Software Software Software Name Purpose DENZO data reduction SCALEPACK data scaling PHASES phasing CNS refinement