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An epidemiologically significant epitope of a 1998 influenza virus neuraminidase forms a highly hydrated interface in the NA-antibody complex.
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1NN2 1NN2, 1NCA experimental model PDB 1NCA 1NN2, 1NCA
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 7.5 2M AMMONIUM SULFATE, 100 mM TRIS, pH 7.5
Crystal Properties Matthews coefficient Solvent content 3.2 61.4
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 155.057 α = 90 b = 155.057 β = 90 c = 102.645 γ = 90
Symmetry Space Group P 4 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 100 IMAGE PLATE RIGAKU RAXIS IV Osmic 2003-06-11 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 ROTATING ANODE RIGAKU
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (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 2.1 20 99.98 0.104 17.64 6.25 73146
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R-Sym I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 2.1 2.17 100 0.321 2.06 5.5
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Starting model Resolution (High) Resolution (Low) Cut-off Sigma (F) Number Reflections (All) 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 1NN2, 1NCA 2.1 20 1 73178 69450 3686 100 0.19 0.188 0.1955 0.224 0.1968 RANDOM 32.91
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] -0.9 -0.9 1.79
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_1_deg 7.588 r_scangle_it 4.642 r_scbond_it 2.996 r_angle_refined_deg 1.986 r_mcangle_it 1.933 r_mcbond_it 1.111 r_angle_other_deg 0.972 r_symmetry_vdw_other 0.294 r_nbd_other 0.263 r_nbd_refined 0.201
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_1_deg 7.588 r_scangle_it 4.642 r_scbond_it 2.996 r_angle_refined_deg 1.986 r_mcangle_it 1.933 r_mcbond_it 1.111 r_angle_other_deg 0.972 r_symmetry_vdw_other 0.294 r_nbd_other 0.263 r_nbd_refined 0.201 r_symmetry_hbond_refined 0.168 r_xyhbond_nbd_refined 0.167 r_symmetry_vdw_refined 0.134 r_chiral_restr 0.127 r_metal_ion_refined 0.122 r_nbtor_other 0.093 r_bond_refined_d 0.025 r_gen_planes_refined 0.011 r_gen_planes_other 0.007 r_bond_other_d 0.003 r_dihedral_angle_2_deg r_dihedral_angle_3_deg r_dihedral_angle_4_deg r_nbtor_refined r_xyhbond_nbd_other r_metal_ion_other r_symmetry_hbond_other r_symmetry_metal_ion_refined r_symmetry_metal_ion_other r_mcbond_other r_rigid_bond_restr r_sphericity_free r_sphericity_bonded
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 5125 Nucleic Acid Atoms Solvent Atoms 506 Heterogen Atoms 180
Software Software Software Name Purpose REFMAC refinement DENZO data reduction SCALEPACK data scaling AMoRE phasing