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CHALCONE SYNTHASE FROM ALFALFA COMPLEXED WITH NARINGENIN
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1BI5 PDB ENTRY 1BI5
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 6.5 THE DROPLE CONSISTED ON 25 MGR/ML (FINAL CONCENTRATION) PROTEIN MIXED WITH THE
RESERVOIR WHICH CONTAINED 2.4 M AMMONIUM SULFATE, 100 MM PIPES BUFFER (PH 6.5)
,
IN THE PRESENCE (UP TO 5 MM) OR ABSENCE OF DTT REDUCING AGENT. CRYSTALS WERE
STABILIZED IN 40% (V/V) PEG400, 100 MM PIPES 16 MM NARINGENIN PRIOR TO
FREEZING AT 105 K, pH 6.50
Crystal Properties Matthews coefficient Solvent content 2.07 42
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 97.917 α = 90 b = 97.917 β = 90 c = 65.186 γ = 120
Symmetry Space Group P 32 2 1
Diffraction Diffraction Experiment ID # Crystal ID Scattering Type Data Collection Temperature Detector Detector Type Details Collection Date Monochromator Protocol 1 1 x-ray 105 IMAGE PLATE MAC Science DIP-2000 1998-06-02 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 ROTATING ANODE MACSCIENCE
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Sym 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 1.84 51.68 86.6 0.041 13.7 2.8 26948
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R-Sym I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 1.84 1.89 8.3 0.011 7.5 0.1
Refinement Statistics Diffraction ID Structure Solution Method Starting model Resolution (High) Resolution (Low) Number Reflections (Observed) Number Reflections (R-Free) Percent Reflections (Observed) R-Work (Depositor) R-Work (DCC) R-Free (Depositor) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION OTHER PDB ENTRY 1BI5 1.84 84.5 26948 1347 85.5 0.161 0.3033 0.225 RANDOM
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 p_angle_d 2.419 p_bond_d 0.013 p_angle_deg p_planar_d p_hb_or_metal_coord p_mcbond_it p_mcangle_it p_scbond_it p_scangle_it p_plane_restr
RMS Deviations Key Refinement Restraint Deviation p_angle_d 2.419 p_bond_d 0.013 p_angle_deg p_planar_d p_hb_or_metal_coord p_mcbond_it p_mcangle_it p_scbond_it p_scangle_it p_plane_restr p_chiral_restr p_singtor_nbd p_multtor_nbd p_xhyhbond_nbd p_xyhbond_nbd p_planar_tor p_staggered_tor p_orthonormal_tor p_transverse_tor p_special_tor
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 2980 Nucleic Acid Atoms Solvent Atoms 360 Heterogen Atoms 20
Software Software Software Name Purpose CCP4 model building REFMAC refinement DENZO data reduction SCALEPACK data scaling CCP4 phasing