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Crystal structure of an ice-binding protein from the perennial ryegrass, Lolium perenne
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 4.2 277 45-50% Ethanol, 100 mM Phosphate-citrate, 0-5% PEG 1000, pH 4.2, VAPOR DIFFUSION, HANGING DROP, temperature 277K
Crystal Properties Matthews coefficient Solvent content 2.19 43.91
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 94.28 α = 90 b = 62.49 β = 113.96 c = 44 γ = 90
Symmetry Space Group C 1 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 100 CCD ADSC QUANTUM 270 2009-02-14 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON NSLS BEAMLINE X6A 1.13, 1.55 NSLS X6A
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 1.4 20 97.9 0.076 0.057 16.83 5.7 45098 -3 -3 17.982
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R Merge I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 1.4 1.5 96.9 0.293 5.48
Refinement Statistics Diffraction ID Structure Solution Method Resolution (High) Resolution (Low) Cut-off Sigma (F) 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 SIRAS 1.4 19.423 2 44891 2242 97.7 0.1662 0.1651 0.1653 0.1873 0.1851 Random 17.308
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] 3.0465 3.1001 -0.9361 -2.1104
RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 10.678 f_angle_d 1.422 f_chiral_restr 0.085 f_bond_d 0.011 f_plane_restr 0.006
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 1586 Nucleic Acid Atoms Solvent Atoms 235 Heterogen Atoms 41
Software Software Software Name Purpose XSCALE data scaling SHARP phasing PHENIX refinement PDB_EXTRACT data extraction Blu-Ice data collection XDS data reduction