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PEANUT LECTIN-LACTOSE COMPLEX MONOCLINIC FORM
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 2PEL
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 SMALL TUBES 4.6 293 PURE PROTEIN EXTENSIVELY DIALYSED AGAINST SODIUM ACETATE BUFFER AT PH 4.6 WAS
USED IN THE CRYSTALLIZATION TRIALS. CRYSTALS WERE OBTAINED BY THE BATCH METHOD
USING 4-5 MG/ML PROTEIN IN 0.05 M SODIUM ACETATE BUFFER CONTAINING 0.2 M
SODIUM CHLORIDE, 1.5 MM LACTOSE AND 0.05 %SODIUM AZIDE. THE PRECIPITANT USED
WAS PEG 8000, A SOLUTION OF WHICH IN THE SAME BUFFER WAS ADDED TO A FINAL
CONCENTRATION OF ABOUT 12%. THE TUBES WERE LEFT UNDISTURBED FOR ABOUT TWO
WEEKS, BY WHICH TIME CRYSTALS SUITABLE FOR DATA COLLECTION GREW., SMALL TUBES, temperature 293K
Crystal Properties Matthews coefficient Solvent content 3.1 60.32
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 128.32 α = 90 b = 126.82 β = 116.14 c = 85.61 γ = 90
Symmetry Space Group P 1 21 1
Diffraction Diffraction Experiment ID # Crystal ID Scattering Type Data Collection Temperature Detector Detector Type Details Collection Date Monochromator Protocol 1 1 x-ray 293 IMAGE PLATE MARRESEARCH MIRRORS M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 ROTATING ANODE RIGAKU RU200
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 2.6 20 86.3 0.134 4.75 65505 12.3
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 MOLECULAR REPLACEMENT THROUGHOUT 2PEL 2.6 10 58584 1168 78.9 0.212 0.207 0.2003 0.272 0.2619 RANDOM 21.9
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 x_dihedral_angle_d 27.6 x_mcangle_it 10.52 x_mcbond_it 6.67 x_scangle_it 5.72 x_scbond_it 4.06 x_angle_deg 1.7 x_improper_angle_d 1.39 x_bond_d 0.01 x_bond_d_na x_bond_d_prot
RMS Deviations Key Refinement Restraint Deviation x_dihedral_angle_d 27.6 x_mcangle_it 10.52 x_mcbond_it 6.67 x_scangle_it 5.72 x_scbond_it 4.06 x_angle_deg 1.7 x_improper_angle_d 1.39 x_bond_d 0.01 x_bond_d_na x_bond_d_prot x_angle_d x_angle_d_na x_angle_d_prot x_angle_deg_na x_angle_deg_prot x_dihedral_angle_d_na x_dihedral_angle_d_prot x_improper_angle_d_na x_improper_angle_d_prot
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 13944 Nucleic Acid Atoms Solvent Atoms 703 Heterogen Atoms 85
Software Software Software Name Purpose AMoRE phasing X-PLOR refinement XDS data reduction DENZO data reduction SCALEPACK data scaling