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CRYSTAL STRUCTURE OF A HEPTAMERIC SM-LIKE PROTEIN FROM METHANOBACTERIUM THERMOAUTOTROPHICUM
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1I81 PDB ENTRY 1I81
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, SITTING DROP 8.5 294 PEG 3350, TRIS, LITHIUM SULPHATE, pH 8.5, VAPOR DIFFUSION, SITTING DROP, temperature 294K
Crystal Properties Matthews coefficient Solvent content 2.31 46.31
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 40.591 α = 90 b = 71.883 β = 94.02 c = 95.095 γ = 90
Symmetry Space Group P 1 21 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 IMAGE PLATE MARRESEARCH 2000-12-20 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON SSRL BEAMLINE BL7-1 1.08 SSRL BL7-1
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 1.7 40.49 59871 3
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1.7 1.79 99.6
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Starting model Resolution (High) Resolution (Low) Number Reflections (All) Number Reflections (Observed) Number Reflections (R-Free) Percent Reflections (Observed) R-Factor (All) 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 THROUGHOUT PDB ENTRY 1I81 1.7 14.89 59928 56448 3021 99.23 0.2309 0.2309 0.2292 0.2482 0.2612 0.2731 RANDOM 13.512
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
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_3_deg 15.41 r_dihedral_angle_1_deg 4.885 r_scangle_it 4.285 r_scbond_it 2.651 r_angle_refined_deg 1.86 r_mcangle_it 1.729 r_mcbond_it 1.044 r_symmetry_hbond_refined 0.517 r_symmetry_vdw_refined 0.297 r_nbd_refined 0.255
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_3_deg 15.41 r_dihedral_angle_1_deg 4.885 r_scangle_it 4.285 r_scbond_it 2.651 r_angle_refined_deg 1.86 r_mcangle_it 1.729 r_mcbond_it 1.044 r_symmetry_hbond_refined 0.517 r_symmetry_vdw_refined 0.297 r_nbd_refined 0.255 r_xyhbond_nbd_refined 0.182 r_chiral_restr 0.135 r_bond_refined_d 0.018 r_gen_planes_refined 0.008 r_bond_other_d r_angle_other_deg r_gen_planes_other r_nbd_other r_nbtor_other r_xyhbond_nbd_other r_symmetry_vdw_other r_symmetry_hbond_other r_rigid_bond_restr r_sphericity_free r_sphericity_bonded
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 4022 Nucleic Acid Atoms Solvent Atoms 251 Heterogen Atoms
Software Software Software Name Purpose MOSFLM data reduction SCALA data scaling AMoRE phasing REFMAC refinement CCP4 data scaling