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CRYSTAL STRUCTURE OF THE SPLICEOSOMAL U2B''-U2A' PROTEIN COMPLEX BOUND TO A FRAGMENT OF U2 SMALL NUCLEAR RNA
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 7.3 50MM NACL, 9MM MGCL2, 0.25 MM SPERMINE, 0.25% N-OCTYL-BETA-D-GLUCOPYRANOSIDE, 50MM TRIS-CL PH 7.3, 1% PEG600
Crystal Properties Matthews coefficient Solvent content 2.69 42
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 98.37 α = 90 b = 128.24 β = 90 c = 66.65 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 100 IMAGE PLATE MARRESEARCH TOROIDAL MIRROR 1996-09-15 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON ELETTRA BEAMLINE 5.2R ELETTRA 5.2R
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 2.38 25.9 94.7 0.061 0.061 8.3 4.2 32587 6 59
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) 2.38 2.51 95 0.236 0.236 3 2.5
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Resolution (High) Resolution (Low) Number Reflections (All) 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 SIR THROUGHOUT 2.38 15 32138 32138 1647 95.8 0.282 0.2538 0.328 0.2936 RANDOM 55
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] 0.3 -3.2 0.5
RMS Deviations Key Refinement Restraint Deviation p_transverse_tor 21.9 p_staggered_tor 20 p_scangle_it 4.9 p_mcangle_it 3.9 p_scbond_it 3.4 p_mcbond_it 2.6 p_planar_tor 1.2 p_multtor_nbd 0.253 p_singtor_nbd 0.189 p_chiral_restr 0.113
RMS Deviations Key Refinement Restraint Deviation p_transverse_tor 21.9 p_staggered_tor 20 p_scangle_it 4.9 p_mcangle_it 3.9 p_scbond_it 3.4 p_mcbond_it 2.6 p_planar_tor 1.2 p_multtor_nbd 0.253 p_singtor_nbd 0.189 p_chiral_restr 0.113 p_angle_d 0.033 p_planar_d 0.033 p_bond_d 0.01 p_plane_restr 0.0018 p_angle_deg p_hb_or_metal_coord p_xhyhbond_nbd p_xyhbond_nbd p_orthonormal_tor p_special_tor
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 4182 Nucleic Acid Atoms 1006 Solvent Atoms Heterogen Atoms
Software Software Software Name Purpose MOSFLM data reduction SCALA data scaling SHARP phasing REFMAC refinement CCP4 data scaling