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Crystal Structure of Human Rac1 in Complex with the Scaffold Protein POSH (residues 321-348)
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 3TH5
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 8 277 0.05 M phosphate, 20% (w/v) PEG 8000. RAC1 6 mg/mL , GMPPNP 1mM, POSH 3 mM
Crystal Properties Matthews coefficient Solvent content 2.68 54.17
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 54.793 α = 90 b = 54.793 β = 90 c = 329.942 γ = 90
Symmetry Space Group P 43 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 PIXEL DECTRIS PILATUS 6M EH1 OH2 2022-07-22 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON ESRF BEAMLINE MASSIF-1 0.9655 ESRF MASSIF-1
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge I (Observed) Rrim I (All) Rpim I (All) CC (Half) 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 1.854 19.67 94.2 0.185 0.193 0.052 0.997 8 13.4 34144
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R Merge I (Observed) Rrim I (All) Rpim I (All) CC (Half) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 1.854 2.027 67 1.1 1.2 0.389 0.812 1.7
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 (All) R-Work (Depositor) R-Free (Depositor) R-Free (DCC) Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT THROUGHOUT 1.854 19.67 34144 1710 76.982 0.196 0.1946 0.2263 0.2393 23.321
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] -0.299 -0.299 0.598
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 19.773 r_dihedral_angle_6_deg 16.865 r_dihedral_angle_3_deg 15.293 r_lrange_it 6.381 r_lrange_other 6.315 r_dihedral_angle_1_deg 5.671 r_scangle_it 3.662 r_scangle_other 3.661 r_scbond_it 2.389 r_scbond_other 2.372
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 19.773 r_dihedral_angle_6_deg 16.865 r_dihedral_angle_3_deg 15.293 r_lrange_it 6.381 r_lrange_other 6.315 r_dihedral_angle_1_deg 5.671 r_scangle_it 3.662 r_scangle_other 3.661 r_scbond_it 2.389 r_scbond_other 2.372 r_mcangle_it 2.284 r_mcangle_other 2.283 r_mcbond_it 1.463 r_mcbond_other 1.459 r_angle_refined_deg 1.412 r_angle_other_deg 0.492 r_chiral_restr_other 0.325 r_nbd_refined 0.211 r_symmetry_nbd_other 0.209 r_nbd_other 0.207 r_symmetry_xyhbond_nbd_refined 0.176 r_nbtor_refined 0.175 r_xyhbond_nbd_other 0.163 r_dihedral_angle_other_2_deg 0.161 r_xyhbond_nbd_refined 0.158 r_symmetry_nbd_refined 0.117 r_symmetry_nbtor_other 0.081 r_chiral_restr 0.078 r_symmetry_xyhbond_nbd_other 0.026 r_bond_refined_d 0.008 r_gen_planes_refined 0.007 r_bond_other_d 0.001 r_gen_planes_other 0.001
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 3086 Nucleic Acid Atoms Solvent Atoms 390 Heterogen Atoms 73
Software Software Software Name Purpose REFMAC refinement autoPROC data reduction autoPROC data scaling PHASER phasing