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Crystal Structure of Human Flap Endonuclease FEN1 (WT) in complex with product 5'-flap DNA, SM3+, and K+
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1RXW PDB ENTRY 1RXW
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION 7 288 16% mPEG 2k, 20% saturated KCl, 0.5 mM Sm2(SO4)3, 10 mM Mg(NO3)2, 100 mM Hepes pH 7.0, 5% ethylene glycol, VAPOR DIFFUSION, temperature 288K
Crystal Properties Matthews coefficient Solvent content 3.41 63.9
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 105.438 α = 90 b = 105.438 β = 90 c = 105.064 γ = 120
Symmetry Space Group P 31 2 1
Diffraction Diffraction Experiment ID # Crystal ID Scattering Type Data Collection Temperature Detector Detector Type Details Collection Date Monochromator Protocol 1 1 x-ray 90 CCD MARMOSAIC 325 mm CCD 2010-04-01 SINGLE WAVELENGTH 2 1 x-ray 90 CCD ADSC QUANTUM 315r 2010-03-01 SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON SSRL BEAMLINE BL11-1 0.9796 SSRL BL11-1 2 SYNCHROTRON ALS BEAMLINE 12.3.1 1.116 ALS 12.3.1
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge I (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 2.2 34.462 99.1 0.083 0.083 7.5 3.6 34291 34291 2 2
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R Merge I (Observed) R-Sym I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 2.2 2.32 100 0.557 0.557 0.6 3.6
Refinement Statistics Diffraction ID Structure Solution 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) Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT PDB ENTRY 1RXW 2.2001 34.46 0.99 63390 34291 3236 95.55 0.1702 0.1679 0.1579 0.2126 0.2046
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] 4.0229 4.0229 -8.0458
RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 19.282 f_angle_d 0.864 f_chiral_restr 0.053 f_bond_d 0.012 f_plane_restr 0.004
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 2691 Nucleic Acid Atoms 732 Solvent Atoms 568 Heterogen Atoms 6
Software Software Software Name Purpose SCALA data scaling PHASER phasing PHENIX refinement PDB_EXTRACT data extraction Blu-Ice data collection MOSFLM data reduction