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Crystal structure of a tetrameric form of Carbonic anhydrase from Schistosoma mansoni
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 4PXX
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION 8 296 20% PEG 3000, 0.2 M zinc acetate, 0.1 M Imidazole
Crystal Properties Matthews coefficient Solvent content 2.76 55.41
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 77.814 α = 90 b = 77.814 β = 90 c = 138.248 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 PIXEL DECTRIS PILATUS 6M 2018-09-16 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON ELETTRA BEAMLINE 11.2C 1.039867 ELETTRA 11.2C
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge I (Observed) Rrim 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 2.28 30 99.5 0.157 0.168 0.993 6.68 8.257 20050 65.934
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R Merge I (Observed) Rrim I (All) CC (Half) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 2.28 2.34 95.6 2.612 2.786 0.17 0.7 8.195
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 4pxx 2.28 30 19027 1002 99.47 0.2076 0.2051 0.2059 0.2543 0.2573 RANDOM 65.704
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] 0.4 0.4 -0.8
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 35.091 r_dihedral_angle_4_deg 22.81 r_dihedral_angle_3_deg 16.408 r_dihedral_angle_1_deg 8.067 r_angle_refined_deg 1.587 r_chiral_restr 0.107 r_bond_refined_d 0.007 r_gen_planes_refined 0.007
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 2218 Nucleic Acid Atoms Solvent Atoms 36 Heterogen Atoms 47
Software Software Software Name Purpose REFMAC refinement XDS data reduction XSCALE data scaling MOLREP phasing PDB_EXTRACT data extraction