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Hera helicase RNA binding domain is an RRM fold
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, SITTING DROP 6.5 298 0.1M NaCac pH 6.5, 16-18% P8000, 0.3-0.4M Zn(OAc)2, VAPOR DIFFUSION, SITTING DROP, temperature 298K
Crystal Properties Matthews coefficient Solvent content 2.5 50.72
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 37.516 α = 90 b = 37.516 β = 90 c = 136.89 γ = 90
Symmetry Space Group P 41 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 100 PIXEL PSI PILATUS 6M 2009-06-05 M SINGLE WAVELENGTH 2 1 x-ray 100 CCD MARMOSAIC 225 mm CCD 2009-06-05 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON SLS BEAMLINE X06SA 1.0 SLS X06SA 2 SYNCHROTRON SLS BEAMLINE X06DA 1.8 SLS X06DA
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (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 1.8 36.18 99.8 0.122 7.5 5.4 9812 28
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R-Sym I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1,2 1.8 1.84 100 0.706 1.6 5.5 457
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation 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-Free (Depositor) R-Free (DCC) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION SIRAS FREE R-VALUE 1.8 34.222 0.06 8882 427 90.92 0.2015 0.2003 0.2235 0.225 random 42.653
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] 6.423 6.423 -12.846
RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 17.462 f_angle_d 1.202 f_chiral_restr 0.068 f_bond_d 0.008 f_plane_restr 0.007
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 581 Nucleic Acid Atoms Solvent Atoms 39 Heterogen Atoms 12
Software Software Software Name Purpose SHELXDE phasing PHENIX refinement XDS data reduction SADABS data scaling