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Crystal structure of the Angiotensin-1 converting enzyme N-domain in complex with a domain-specific inhibitor
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 3NXQ PDB ENTRY 3NXQ
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 8.5 0.06 M DIVALENT CATIONS, 0.1 M TRIS/BICINE PH 8.5, 30 % PEG550MME/PEG20000
Crystal Properties Matthews coefficient Solvent content 2.95 58
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 73.142 α = 88.43 b = 77.255 β = 64.28 c = 82.866 γ = 75.29
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 2M 2012-12-03 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON DIAMOND BEAMLINE I04-1 Diamond I04-1
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 2.2 29.67 91.4 0.12 10.5 3.9 73018
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 2.2 2.32 88.7 0.85 2.6 3.9
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 3NXQ 2.2 29.69 69351 3660 91.4 0.18825 0.18653 0.1931 0.21965 0.2258 RANDOM 28.232
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] -0.29 1.99 0.63 0.12 0.08 0.65
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 35.227 r_dihedral_angle_4_deg 14.779 r_dihedral_angle_3_deg 14.102 r_dihedral_angle_1_deg 5.589 r_angle_refined_deg 1.183 r_angle_other_deg 0.807 r_chiral_restr 0.067 r_bond_refined_d 0.008 r_gen_planes_refined 0.005 r_bond_other_d 0.002
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 35.227 r_dihedral_angle_4_deg 14.779 r_dihedral_angle_3_deg 14.102 r_dihedral_angle_1_deg 5.589 r_angle_refined_deg 1.183 r_angle_other_deg 0.807 r_chiral_restr 0.067 r_bond_refined_d 0.008 r_gen_planes_refined 0.005 r_bond_other_d 0.002 r_gen_planes_other 0.001 r_nbd_refined r_nbd_other r_nbtor_refined r_nbtor_other r_xyhbond_nbd_refined r_xyhbond_nbd_other r_metal_ion_refined r_metal_ion_other r_symmetry_vdw_refined r_symmetry_vdw_other r_symmetry_hbond_refined r_symmetry_hbond_other r_symmetry_metal_ion_refined r_symmetry_metal_ion_other r_mcbond_it r_mcbond_other r_mcangle_it r_mcangle_other r_scbond_it r_scbond_other r_scangle_it 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 9885 Nucleic Acid Atoms Solvent Atoms 409 Heterogen Atoms 329
Software Software Software Name Purpose REFMAC refinement XDS data reduction SCALA data scaling PHASER phasing