Navigation Tabs Neutron structure of leucine and valine methyl protonated type III antifreeze
NEUTRON DIFFRACTION - X-RAY DIFFRACTION
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, SITTING DROP 5.2 285 10mg/ml protein in 50 mM sodium acetate pD 5.2. Drops containing 20 ml protein solution and 30 ml precipitant buffer (2.1 M ammonium sulfate, 9% d8-glycerol) were equilibrated against 1 ml precipitant buffer in the reservoir, VAPOR DIFFUSION, SITTING DROP, temperature 285K
Crystal Properties Matthews coefficient Solvent content 2.16 43.08
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 32.73 α = 90 b = 39.12 β = 90 c = 46.54 γ = 90
Symmetry Space Group P 21 21 21
Diffraction Diffraction Experiment ID # Crystal ID Scattering Type Data Collection Temperature Detector Detector Type Details Collection Date Monochromator Protocol 1 1 x-ray 100 PIXEL DECTRIS PILATUS 6M M SINGLE WAVELENGTH 2 1 neutron 298 LADI-III Image Plate 2008-05-28 L LAUE
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON ESRF BEAMLINE ID23-1 0.6525 ESRF ID23-1 2 NUCLEAR REACTOR OTHER 3.18-4.22
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge I (Observed) R Sym I (Observed) Rrim I (All) Rpim I (All) CC (Half) R Split (All) 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 1.05 50 99.7 0.048 32.5 6.1 28534 2 1.8 46.52 89.3 0.136 14 11.1 5916 5194
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) R Merge I (Observed) R-Sym I (Observed) Rrim I (All) Rpim I (All) CC (Half) R Split (All) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 1.05 1.09 0.638 2.66 2 1.8 1.9 0.169 6.6 3.5
Refinement Statistics Diffraction ID Structure Solution Method Resolution (High) Resolution (Low) Cut-off Sigma (I) Cut-off Sigma (F) Number Reflections (All) Number Reflections (Observed) Number Reflections (R-Free) Percent Reflections (Observed) R-Factor (All) R-Factor (Observed) R-Work R-Free R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION 1.05 18.965 1.34 28511 1426 99.82 0.1712 0.1703 0.1881 16.9609 NEUTRON DIFFRACTION 1.85 26.772 4897 246 89.94 0.1782 0.1757 0.2245
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 f_dihedral_angle_d 15.259 f_angle_d 1.302 f_chiral_restr 0.08 f_bond_d 0.013 f_plane_restr 0.006
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 479 Nucleic Acid Atoms Solvent Atoms 42 Heterogen Atoms
Software Software Software Name Purpose QLD data collection PHENIX model building PHENIX refinement LAUEGEN data reduction LSCALE data scaling SCALA data scaling PHENIX phasing