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Novel binding motif and new flexibility revealed by structural analysis of a pyruvate dehydrogenase-dihydrolipoyl acetyltransferase sub-complex from the escherichia coli pyruvate dehydrogenase multi-enzyme complex
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 2IEA PDB ENTRY 2IEA
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, SITTING DROP 6.3 298 20% PEG3350 0.2M AMMONIUM TARTRATE DIBASIC,SODIUM AZIDE, PH 6.35, VAPOR DIFFUSION, SITTING DROP, TEMPERATURE 296K, temperature 298K
Crystal Properties Matthews coefficient Solvent content 3.04 59.58
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 210.94 α = 90 b = 326.84 β = 90 c = 77.21 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 93 CCD MARMOSAIC 225 mm CCD MIRRORS 2011-07-16 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON APS BEAMLINE 22-BM 1.0 APS 22-BM
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 2.8 32.29 99.7 0.136 7.1 6.32 132370 132035 82.01
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 2.8 2.9 99.8 0.605 1.5 4.15 13058
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 DIFFERENCE FOURIER THROUGHOUT PDB ENTRY 2IEA 2.8 32.29 132370 124907 6292 94.36 0.1999 0.1982 0.1966 0.2328 0.2268 RANDOM 80.53
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] -0.9855 0.7342 0.2514
RMS Deviations Key Refinement Restraint Deviation t_dihedral_angle_d 15.14 t_it 5.5 t_other_torsion 3.15 t_omega_torsion 2.75 t_ideal_dist_contact 2.089 t_angle_deg 1 t_chiral_improper_torsion 0.079 t_gen_planes 0.014 t_bond_d 0.009 t_trig_c_planes 0.006
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 27874 Nucleic Acid Atoms Solvent Atoms 1293 Heterogen Atoms
Software Software Software Name Purpose d*TREK data reduction BUSTER-TNT refinement PDB_EXTRACT data extraction SERGUI data collection d*TREK data scaling PHASER phasing BUSTER refinement