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CRYSTAL STRUCTURE OF A SELF-SPLICING GROUP I INTRON WITH BOTH EXONS
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 6.8 pH 6.80
Crystal Properties Matthews coefficient Solvent content 4.4 72.06
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 108.541 α = 90 b = 108.541 β = 90 c = 249.158 γ = 90
Symmetry Space Group P 41 2 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 CCD ADSC QUANTUM 4 2003-07-20 M MAD
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON NSLS BEAMLINE X25 NSLS X25
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (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 3.1 50 24640
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Resolution (High) Resolution (Low) 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 MAD THROUGHOUT 3.1 48.22 23553 1086 89.56 0.24712 0.24572 0.2651 0.27867 0.3035 RANDOM 80.422
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] 0.6 0.6 -1.19
RMS Deviations Key Refinement Restraint Deviation r_scangle_it 4.28 r_dihedral_angle_1_deg 3.257 r_scbond_it 2.425 r_mcangle_it 2.136 r_angle_refined_deg 1.333 r_mcbond_it 1.158 r_nbd_refined 0.188 r_xyhbond_nbd_refined 0.176 r_symmetry_vdw_refined 0.154 r_metal_ion_refined 0.139
RMS Deviations Key Refinement Restraint Deviation r_scangle_it 4.28 r_dihedral_angle_1_deg 3.257 r_scbond_it 2.425 r_mcangle_it 2.136 r_angle_refined_deg 1.333 r_mcbond_it 1.158 r_nbd_refined 0.188 r_xyhbond_nbd_refined 0.176 r_symmetry_vdw_refined 0.154 r_metal_ion_refined 0.139 r_symmetry_hbond_refined 0.131 r_chiral_restr 0.107 r_bond_refined_d 0.006 r_gen_planes_refined 0.004 r_bond_other_d r_angle_other_deg r_dihedral_angle_2_deg r_dihedral_angle_3_deg r_dihedral_angle_4_deg r_gen_planes_other r_nbd_other r_nbtor_refined r_nbtor_other r_xyhbond_nbd_other r_metal_ion_other r_symmetry_vdw_other r_symmetry_hbond_other r_mcbond_other r_rigid_bond_restr r_sphericity_free r_sphericity_bonded
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 775 Nucleic Acid Atoms 4768 Solvent Atoms 54 Heterogen Atoms 18
Software Software Software Name Purpose HKL-2000 data collection SCALEPACK data scaling MLPHARE phasing REFMAC refinement HKL-2000 data reduction