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Crystal Structure of the Two Tandem RRM Domains of PUF60 Bound to a Modified AdML Pre-mRNA 3' Splice Site Analogue
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 2QFJ
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 8.7 293 0.1 M Tris-HCl, 25% PEG 4000, 5-10 mM barium chloride dihydrate, pH 8.7, mixed with 10 mg/ml protein-nucleic acid mixture in 50 mM Tris-HCl, pH 8.0, 150 mM NaCl, 20 micromolar EDTA
Crystal Properties Matthews coefficient Solvent content 1.68 26.93
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 62.428 α = 90 b = 62.428 β = 90 c = 83.313 γ = 120
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 210 2010-02-24 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON CHESS BEAMLINE A1 0.9769 CHESS A1
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 2.1 30 99.3 0.099 13.8 5.7 21264 -3
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 2.1 2.15 100 0.418 5.7
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Starting model Resolution (High) Resolution (Low) Number Reflections (Observed) Number Reflections (R-Free) Percent Reflections (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 THROUGHOUT 2QFJ 2.1 30 20072 952 94.5 0.22 0.2207 0.237 0.2387 random 43.9
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] -0.01 -0.01 0.02
RMS Deviations Key Refinement Restraint Deviation cns_angle_deg 1.4 cns_bond_d 0.009
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 3013 Nucleic Acid Atoms 79 Solvent Atoms 98 Heterogen Atoms 1
Software Software Software Name Purpose CNS refinement HKL-2000 data reduction HKL-2000 data scaling PHASER phasing