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Structure of MEF2A bound to DNA reveals a completely folded MADS-box/MEF2 domain that recognizes DNA and recruits transcription co-factors
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 hanging drop 4.7 291 50 mM acetic acid, 142mM NaCl, 5mM MgCl2, 10mM CaCl2, 3.3% Glycerol, 22.5% 3K PEG, pH 4.7, hanging drop, temperature 291K
Crystal Properties Matthews coefficient Solvent content 2.77 55.65
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 77.801 α = 90 b = 77.96 β = 90 c = 106.794 γ = 90
Symmetry Space Group P 21 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 IMAGE PLATE RIGAKU RAXIS IV++ M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 ROTATING ANODE OTHER 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 2.87 50 99.6 0.052 30 7 15478
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) 2.87 2.97 99.5 0.585 6.9
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) Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT 2.9 44.054 1.34 14094 704 94.33 0.2238 0.2207 0.2227 0.2786 0.2937 86.824
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] 4.286 8.62 16.81
RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 24.53 f_angle_d 1.227 f_chiral_restr 0.061 f_bond_d 0.008 f_plane_restr 0.003
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 2972 Nucleic Acid Atoms 1581 Solvent Atoms Heterogen Atoms
Software Software Software Name Purpose DENZO data reduction SCALEPACK data scaling PHENIX refinement PDB_EXTRACT data extraction