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Crystal structure of fructan 1-exohydrolase IIa (E201Q) from Cichorium intybus in complex with 1-kestose
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1ST8 PDB ENTRY 1ST8
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 7 277 sodium potassium phosphate, potassium phosphate, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 277K
Crystal Properties Matthews coefficient Solvent content 7.2 82
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 139.068 α = 90 b = 139.068 β = 90 c = 181.005 γ = 90
Symmetry Space Group P 41 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 100 CCD MARRESEARCH bent mirror 2005-05-02 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON EMBL/DESY, HAMBURG BEAMLINE BW7B 0.8424 EMBL/DESY, HAMBURG BW7B
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 3.05 40 80.4 0.11 5.6 34494 27790 1.41 2
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 3.05 3.1 99.6 0.498
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 1ST8 3.05 29.44 59940 59934 5889 92.9 0.207 0.207 0.223 0.242 0.2524 RANDOM 45.4
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] 10.42 10.42 -20.84
RMS Deviations Key Refinement Restraint Deviation c_dihedral_angle_d 25.5 c_scangle_it 2.95 c_mcangle_it 2.14 c_scbond_it 1.79 c_angle_deg 1.4 c_mcbond_it 1.22 c_improper_angle_d 0.86 c_bond_d 0.007 c_bond_d_na c_bond_d_prot
RMS Deviations Key Refinement Restraint Deviation c_dihedral_angle_d 25.5 c_scangle_it 2.95 c_mcangle_it 2.14 c_scbond_it 1.79 c_angle_deg 1.4 c_mcbond_it 1.22 c_improper_angle_d 0.86 c_bond_d 0.007 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 4265 Nucleic Acid Atoms Solvent Atoms 85 Heterogen Atoms 112
Software Software Software Name Purpose CNS refinement DENZO data reduction SCALEPACK data scaling CNS phasing