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Structural basis for specific substrate recognition by the chloroplast signal recognition particle protein cpSRP43
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1NOR PDB entry 1NOR
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 5.5 293 0.2M MgCl2, 0.1M Bis-Tris pH 5.5, 25%(w/v) PEG 3350, VAPOR DIFFUSION, HANGING DROP, temperature 293K
Crystal Properties Matthews coefficient Solvent content 2.12 41.89
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 51.146 α = 90 b = 52.794 β = 90 c = 62.849 γ = 90
Symmetry Space Group P 21 21 21
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 315 2006-02-17 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON ESRF BEAMLINE ID23-1 0.9793 ESRF ID23-1
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 1.5 40 0.99 0.055 7.6 5.4 27821 27737
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) 1.5 1.58 0.99 0.418 1.8 5.5 3951
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 (Observed) R-Work (Depositor) R-Free (Depositor) R-Free (DCC) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT THROUGHOUT PDB entry 1NOR 1.5 40 27821 27735 1394 99.43 0.171 0.168 0.211 0.2246 RANDOM 17.598
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] -0.04 -0.14 0.18
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 32.604 r_dihedral_angle_4_deg 17.185 r_dihedral_angle_3_deg 12.212 r_sphericity_free 5.334 r_dihedral_angle_1_deg 5.194 r_scangle_it 4.273 r_sphericity_bonded 3.848 r_scbond_it 3.095 r_mcangle_it 2.197 r_rigid_bond_restr 1.915
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 32.604 r_dihedral_angle_4_deg 17.185 r_dihedral_angle_3_deg 12.212 r_sphericity_free 5.334 r_dihedral_angle_1_deg 5.194 r_scangle_it 4.273 r_sphericity_bonded 3.848 r_scbond_it 3.095 r_mcangle_it 2.197 r_rigid_bond_restr 1.915 r_mcbond_it 1.553 r_angle_refined_deg 1.38 r_nbtor_refined 0.307 r_symmetry_vdw_refined 0.271 r_nbd_refined 0.207 r_symmetry_hbond_refined 0.169 r_xyhbond_nbd_refined 0.147 r_chiral_restr 0.086 r_metal_ion_refined 0.014 r_bond_refined_d 0.013 r_gen_planes_refined 0.006
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 1482 Nucleic Acid Atoms Solvent Atoms 229 Heterogen Atoms 1
Software Software Software Name Purpose MOSFLM data reduction SCALA data scaling PHASER phasing REFMAC refinement PDB_EXTRACT data extraction ADSC data collection