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Crystal structure of the dog lipocalin allergen Can f 2 and implications for cross-reactivity to the cat allergen Fel d 4
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 2R73 PDB ENTRY 2R73
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 6 293 60% (w/v) Tacsimate, pH 6.0, VAPOR DIFFUSION, HANGING DROP, temperature 293K
Crystal Properties Matthews coefficient Solvent content 2.15 42.82
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 68.175 α = 90 b = 76.898 β = 90 c = 64.996 γ = 90
Symmetry Space Group C 2 2 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 CCD ADSC QUANTUM 4 mirrors 2008-05-10 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON ESRF BEAMLINE ID14-2 0.934 ESRF ID14-2
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 1.45 34.5 99.8 0.084 13.1 6.4 30546
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) 1.45 1.53 99.6 0.471 3.9 6.5
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 PDB ENTRY 2R73 1.45 30.19 28979 1541 99.69 0.15798 0.15743 0.164 0.16815 0.1798 RANDOM 11.678
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] -0.13 0.51 -0.39
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 36.67 r_dihedral_angle_3_deg 12.121 r_dihedral_angle_4_deg 6.305 r_dihedral_angle_1_deg 6.162 r_sphericity_free 4.31 r_scangle_it 4.171 r_scbond_it 2.698 r_sphericity_bonded 2.096 r_mcangle_it 1.837 r_angle_refined_deg 1.426
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 36.67 r_dihedral_angle_3_deg 12.121 r_dihedral_angle_4_deg 6.305 r_dihedral_angle_1_deg 6.162 r_sphericity_free 4.31 r_scangle_it 4.171 r_scbond_it 2.698 r_sphericity_bonded 2.096 r_mcangle_it 1.837 r_angle_refined_deg 1.426 r_rigid_bond_restr 1.244 r_angle_other_deg 1.074 r_mcbond_it 1.063 r_mcbond_other 0.388 r_chiral_restr 0.244 r_bond_refined_d 0.01 r_gen_planes_refined 0.005 r_bond_other_d 0.001 r_gen_planes_other 0.001 r_nbd_refined r_nbd_other r_nbtor_refined r_nbtor_other r_xyhbond_nbd_refined r_xyhbond_nbd_other r_metal_ion_refined r_metal_ion_other r_symmetry_vdw_refined r_symmetry_vdw_other r_symmetry_hbond_refined r_symmetry_hbond_other r_symmetry_metal_ion_refined r_symmetry_metal_ion_other
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 1202 Nucleic Acid Atoms Solvent Atoms 127 Heterogen Atoms 6
Software Software Software Name Purpose ADSC data collection PHASER phasing REFMAC refinement MOSFLM data reduction SCALA data scaling