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Crystal Structure of Drosophila DHX36 helicase in complex with CTCTCCT
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 5N8R
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, SITTING DROP 6.5 298 0.1M MES monohydrate-imidazole
20mM sodium formate
20mM ammonium acetate
20mM sodium citrate tribasic hydrate
20mM sodium oxamate
20mM potassium sodium tartrate tetrahydrate
Crystal Properties Matthews coefficient Solvent content 2.69 54.3
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 302.368 α = 90 b = 51.288 β = 114.7 c = 164.097 γ = 90
Symmetry Space Group C 1 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 100 CCD ADSC QUANTUM 315r 2015-05-13 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON SSRF BEAMLINE BL17B1 0.9791 SSRF BL17B1
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge I (Observed) CC (Half) 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 2.62 56.38 98.32 0.074 0.996 12.52 3.6 68808 2
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R Merge I (Observed) CC (Half) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 2.62 2.714 99.78 0.62 0.8 2.43 3.8
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Starting model 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) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT FREE R-VALUE 5N8R 2.62 56.3 1.36 68771 3434 98.33 0.1859 0.1825 0.1844 0.2495 0.2522 5% 57.46
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]
RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 14.897 f_angle_d 1.377 f_chiral_restr 0.07 f_bond_d 0.011 f_plane_restr 0.009
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 13628 Nucleic Acid Atoms 310 Solvent Atoms 162 Heterogen Atoms 10
Software Software Software Name Purpose PHENIX refinement XDS data reduction Aimless data scaling PHASER phasing