☰ Navigation Tabs
Structure of Pig Heart Citrate Synthase at 1.78 A resolution
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1CTS PDB ENTRY 1CTS
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 8.2 295 25% PEG 3350 in H2O in the presence of cystamine HCl, aspartame, benzamidine HCl and Tris-HCl buffer, pH 8.2, VAPOR DIFFUSION, SITTING DROP, temperature 295K
Crystal Properties Matthews coefficient Solvent content 2.95 58.27
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 76.34 α = 90 b = 76.34 β = 90 c = 198.15 γ = 90
Symmetry Space Group P 41 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 CCD ADSC QUANTUM 315 2007-07-10 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON SSRL BEAMLINE BL7-1 SSRL BL7-1
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 1.72 41.56 89.2 0.072 7.3 6.35 56320 32.2
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) 1.72 1.78 100 0.646 1.4 6.07
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 DIRECT PLACEMENT IN SAME UNIT CELL THROUGHOUT PDB ENTRY 1CTS 1.78 41.56 49141 2627 90.6 0.181 0.179 0.1807 0.222 0.223 RANDOM 50.87
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] 2.21 2.21 -4.43
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 39.567 r_dihedral_angle_4_deg 21.261 r_dihedral_angle_3_deg 17.653 r_scangle_it 7.705 r_dihedral_angle_1_deg 6.186 r_scbond_it 5.357 r_mcangle_it 4.619 r_mcbond_it 2.916 r_angle_refined_deg 1.495 r_angle_other_deg 0.781
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 39.567 r_dihedral_angle_4_deg 21.261 r_dihedral_angle_3_deg 17.653 r_scangle_it 7.705 r_dihedral_angle_1_deg 6.186 r_scbond_it 5.357 r_mcangle_it 4.619 r_mcbond_it 2.916 r_angle_refined_deg 1.495 r_angle_other_deg 0.781 r_mcbond_other 0.458 r_symmetry_vdw_other 0.29 r_symmetry_hbond_refined 0.209 r_symmetry_vdw_refined 0.169 r_symmetry_hbond_other 0.153 r_xyhbond_nbd_refined 0.136 r_chiral_restr 0.091 r_nbd_other 0.08 r_xyhbond_nbd_other 0.069 r_nbd_refined 0.032 r_bond_refined_d 0.011 r_gen_planes_refined 0.009 r_nbtor_refined 0.006 r_bond_other_d 0.001 r_gen_planes_other 0.001 r_nbtor_other r_metal_ion_refined r_metal_ion_other r_symmetry_metal_ion_refined r_symmetry_metal_ion_other r_rigid_bond_restr r_sphericity_free r_sphericity_bonded
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 7100 Nucleic Acid Atoms Solvent Atoms 305 Heterogen Atoms 6
Software Software Software Name Purpose REFMAC refinement CNS refinement ADSC data collection d*TREK data reduction d*TREK data scaling