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The neutron structure of concanavalin A at 2.2 Angstroms
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1NLS PDB ENTRY 1NLS
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 BATCH DIALYSIS 6.5 293 0.1M NaNO3, 0.05M Tris-acetate, 1mM MnCl2, 1mM CaCl2, pH 6.5, BATCH DIALYSIS, temperature 293K
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 89.377 α = 90 b = 87.314 β = 90 c = 63.051 γ = 90
Symmetry Space Group I 2 2 2
Diffraction Diffraction Experiment ID # Crystal ID Scattering Type Data Collection Temperature Detector Detector Type Details Collection Date Monochromator Protocol 1 1 neutron 293 LADI IMAGE PLATE 2005-06-01 L LAUE
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 2.9-3.9
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge I (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 2.181 33.653 67.2 0.213 0.213 2.8 6.2 8512 8512 22
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R Merge I (Observed) R-Sym I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 2.2 2.32 46.9 0.314 0.314 1.9 4 861
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 (All) R-Factor (Observed) R-Work (Depositor) R-Free (Depositor) R-Free Selection Details Mean Isotropic B NEUTRON DIFFRACTION MOLECULAR REPLACEMENT THROUGHOUT PDB ENTRY 1NLS 2.2 33.64 8511 8511 466 66.1 0.281 0.281 0.279 0.312 RANDOM 25.9
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] 9.283 -13.968 4.685
RMS Deviations Key Refinement Restraint Deviation c_dihedral_angle_d 19.3 c_improper_angle_d 10.58 c_mcangle_it 2.23 c_angle_deg 2.2 c_scangle_it 2.09 c_scbond_it 1.36 c_mcbond_it 1.34 c_bond_d 0.015
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 1809 Nucleic Acid Atoms Solvent Atoms 84 Heterogen Atoms 2
Software Software Software Name Purpose SCALA data scaling CNS refinement PDB_EXTRACT data extraction LADI data collection LAUEGEN data reduction LSCALE data reduction CNS phasing