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Crystal Structure Of Human G alpha i1 Bound To A Designed Helical Peptide Derived From The Goloco Motif Of RGS14
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 2OM2 PDB ENTRY 2OM2
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 5.5 HEXAGONAL CRYSTALS WERE GROWN BY HANGING DROP VAPOR DIFFUSION USING 1 MICROLITER PREMIXED GALPHA I1 AND GOLOCO PEPTIDE (1:1.5 MOLAR RATIO) AT 12 MG/ML IN BUFFER (10 MM TRIS PH 7.5, 1 MM MAGNESIUM CHLORIDE, 10 MICROMOLAR GDP, 5 MM DTT) AND 1 MICROLITER CRYSTALLIZATION SOLUTION (800 MM AMMONIUM SULFATE, 200 MM K/NA TARTRATE, 100 MM SODIUM CITRATE PH 5.5).
Crystal Properties Matthews coefficient Solvent content 9.3 86.78
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 265.261 α = 90 b = 265.261 β = 90 c = 265.261 γ = 90
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 MARRESEARCH MIRRORS 2010-04-10 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON APS BEAMLINE 22-ID APS 22-ID
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 3.41 40 100 0.12 22.1 11.1 42418 -3 99.9
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 3.41 3.42 100 1 2.2 11.1
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Starting model 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 MOLECULAR REPLACEMENT THROUGHOUT PDB ENTRY 2OM2 3.41 39.99 40893 1489 99.83 0.22335 0.2226 0.2123 0.24434 0.2305 RANDOM 108.9
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]
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 36.191 r_dihedral_angle_3_deg 16.585 r_dihedral_angle_4_deg 14.714 r_dihedral_angle_1_deg 4.729 r_angle_refined_deg 1.091 r_scangle_it 0.89 r_mcangle_it 0.514 r_scbond_it 0.491 r_nbtor_refined 0.301 r_mcbond_it 0.272
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 36.191 r_dihedral_angle_3_deg 16.585 r_dihedral_angle_4_deg 14.714 r_dihedral_angle_1_deg 4.729 r_angle_refined_deg 1.091 r_scangle_it 0.89 r_mcangle_it 0.514 r_scbond_it 0.491 r_nbtor_refined 0.301 r_mcbond_it 0.272 r_symmetry_vdw_refined 0.186 r_nbd_refined 0.184 r_symmetry_hbond_refined 0.147 r_xyhbond_nbd_refined 0.124 r_chiral_restr 0.065 r_bond_refined_d 0.006 r_gen_planes_refined 0.003 r_bond_other_d r_angle_other_deg r_gen_planes_other r_nbd_other r_nbtor_other r_xyhbond_nbd_other r_metal_ion_refined r_metal_ion_other r_symmetry_vdw_other r_symmetry_hbond_other r_symmetry_metal_ion_refined r_symmetry_metal_ion_other r_mcbond_other r_mcangle_other r_scbond_other r_scangle_other r_long_range_B_refined r_long_range_B_other r_rigid_bond_restr r_sphericity_free r_sphericity_bonded
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 5728 Nucleic Acid Atoms Solvent Atoms 10 Heterogen Atoms 86
Software Software Software Name Purpose REFMAC refinement HKL-2000 data reduction HKL-2000 data scaling PHASER phasing