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Structural basis for the antifreeze activity of an ice-binding protein (LeIBP) from Arctic yeast
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 4.5 292 0.1M sodium acetate, pH 4.5, 1.2M ammonium sulfate, 0.2M NaCl, VAPOR DIFFUSION, HANGING DROP, temperature 292K
Crystal Properties Matthews coefficient Solvent content 2.53 51.4
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 97.58 α = 90 b = 97.58 β = 90 c = 106.61 γ = 90
Symmetry Space Group P 43 21 2
Diffraction Diffraction Experiment ID # Crystal ID Scattering Type Data Collection Temperature Detector Detector Type Details Collection Date Monochromator Protocol 1 1 x-ray 200 CCD ADSC QUANTUM 270 2011-06-29 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON PHOTON FACTORY BEAMLINE AR-NE3A 0.98227 Photon Factory AR-NE3A
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (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 1.57 36 99.4 71952 71520 1 1
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 1.57 1.66 98.6
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method 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-Work (DCC) R-Free (Depositor) R-Free (DCC) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION SAD THROUGHOUT 1.57 31.59 71520 67692 3614 99.48 0.21824 0.21774 0.21597 0.2146 0.25073 0.2494 RANDOM 15.605
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 r_dihedral_angle_2_deg 33.15 r_dihedral_angle_4_deg 16.981 r_dihedral_angle_3_deg 14.645 r_dihedral_angle_1_deg 6.81 r_scangle_it 5.296 r_scbond_it 3.701 r_angle_refined_deg 2.257 r_mcangle_it 2.071 r_mcbond_it 1.27 r_chiral_restr 0.308
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 33.15 r_dihedral_angle_4_deg 16.981 r_dihedral_angle_3_deg 14.645 r_dihedral_angle_1_deg 6.81 r_scangle_it 5.296 r_scbond_it 3.701 r_angle_refined_deg 2.257 r_mcangle_it 2.071 r_mcbond_it 1.27 r_chiral_restr 0.308 r_bond_refined_d 0.026 r_gen_planes_refined 0.013
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 3341 Nucleic Acid Atoms Solvent Atoms 458 Heterogen Atoms 12
Software Software Software Name Purpose HKL-2000 data collection SOLVE phasing REFMAC refinement MOSFLM data reduction SCALA data scaling