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Crystal structure of fructan 1-exohydrolase IIa from Cichorium intybus in complex with fructose
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 = 139.04 α = 90 b = 139.04 β = 90 c = 182.24 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 2004-12-17 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON ESRF BEAMLINE ID14-3 0.931 ESRF ID14-3
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 2.65 30 88.1 0.114 8 52790 52450 1.41 2 36.2
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 2.65 2.7 100 2586
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 2.65 29.48 50307 50307 2531 95.9 0.239 0.239 0.244 0.251 0.2551 RANDOM 31.1
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] 4.74 4.74 -9.48
RMS Deviations Key Refinement Restraint Deviation c_dihedral_angle_d 25.9 c_scangle_it 3.23 c_scbond_it 2.1 c_mcangle_it 1.96 c_angle_deg 1.3 c_mcbond_it 1.16 c_improper_angle_d 0.8 c_bond_d 0.006 c_bond_d_na c_bond_d_prot
RMS Deviations Key Refinement Restraint Deviation c_dihedral_angle_d 25.9 c_scangle_it 3.23 c_scbond_it 2.1 c_mcangle_it 1.96 c_angle_deg 1.3 c_mcbond_it 1.16 c_improper_angle_d 0.8 c_bond_d 0.006 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 4274 Nucleic Acid Atoms Solvent Atoms 271 Heterogen Atoms 79
Software Software Software Name Purpose CNS refinement DENZO data reduction SCALEPACK data scaling CNS phasing