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Identification of a New Zinc Binding Chemotype by Fragment Screening
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 4CQ0
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, SITTING DROP 8.3 281 the reservoir condition consisted of 2.9 M ammonium sulfate with 0.1 M Tris buffer at pH 8.3; concentrated CA II at ~10 mg mL-1 was set up with seeding; dry compound was added to crystals several days before harvesting and data collection
Crystal Properties Matthews coefficient Solvent content 2.1 41.47
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 42.514 α = 90 b = 41.539 β = 104.46 c = 71.981 γ = 90
Symmetry Space Group P 1 21 1
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 210 2015-04-08 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON AUSTRALIAN SYNCHROTRON BEAMLINE MX1 0.953700 Australian Synchrotron MX1
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) 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 1.6 41.5 97.9 0.999 27.3 7.3 31652
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R Merge I (Observed) CC (Half) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 1.6 1.63 80.1 0.385 0.899 4.5 6.1
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 4cq0 1.6 41.5 30075 1569 97.71 0.13968 0.13726 0.137 0.18733 0.1883 RANDOM 13.386
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] -0.05 0.06 0.16 -0.12
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 37.251 r_dihedral_angle_4_deg 22 r_dihedral_angle_3_deg 12.748 r_dihedral_angle_1_deg 6.589 r_long_range_B_refined 4.478 r_long_range_B_other 4.478 r_scangle_other 3.223 r_mcangle_it 2.212 r_mcangle_other 2.212 r_scbond_it 2.078
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 37.251 r_dihedral_angle_4_deg 22 r_dihedral_angle_3_deg 12.748 r_dihedral_angle_1_deg 6.589 r_long_range_B_refined 4.478 r_long_range_B_other 4.478 r_scangle_other 3.223 r_mcangle_it 2.212 r_mcangle_other 2.212 r_scbond_it 2.078 r_scbond_other 2.077 r_angle_refined_deg 1.943 r_mcbond_other 1.465 r_mcbond_it 1.464 r_angle_other_deg 1.04 r_chiral_restr 0.125 r_bond_refined_d 0.019 r_gen_planes_refined 0.012 r_bond_other_d 0.003 r_gen_planes_other 0.002 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_scangle_it r_rigid_bond_restr r_sphericity_free r_sphericity_bonded
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 2059 Nucleic Acid Atoms Solvent Atoms 310 Heterogen Atoms 19
Software Software Software Name Purpose REFMAC refinement XDS data reduction Aimless data scaling PHASER phasing