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Crystal Structure of Influenza A Virus Matrix Protein M1
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1EA3 PDB ENTRIES 1EA3 AND 1AA7 experimental model PDB 1AA7 PDB ENTRIES 1EA3 AND 1AA7
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 4.7 298 protein in 55 mM phosphate, 0.2 M sodium chloride, 2 mM TCEP, pH 4.0, precipitant: 15% PEG3000, 75 mM sodium citrate, pH 5.5, VAPOR DIFFUSION, HANGING DROP, temperature 298K
Crystal Properties Matthews coefficient Solvent content 2.46 49.93
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 54.3 α = 90 b = 37.346 β = 102.44 c = 94.974 γ = 90
Symmetry Space Group P 1 21 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 IMAGE PLATE RIGAKU RAXIS IV++ 2013-02-22 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 ROTATING ANODE RIGAKU MICROMAX-007 1.5418
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 2.2 27.99 99.1 0.045 15.2 3.49 19284 19111 41.9
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 2.2 2.28 0.237 4.7 3.28 1841
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Starting model Resolution (High) Resolution (Low) 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 PDB ENTRIES 1EA3 AND 1AA7 2.2 27.99 18971 18971 972 98.3 0.226 0.226 0.2254 0.264 0.26 RANDOM 56.8
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] 2.63 4.27 3.36 -5.99
RMS Deviations Key Refinement Restraint Deviation c_dihedral_angle_d 18.8 c_angle_deg 1.4 c_improper_angle_d 1.03 c_bond_d 0.009
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 2236 Nucleic Acid Atoms Solvent Atoms 158 Heterogen Atoms
Software Software Software Name Purpose CrystalClear data collection PHENIX model building CNS refinement d*TREK data reduction d*TREK data scaling PHENIX phasing