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Structural insights into novel mechanisms of inhibition of the major b-carbonic anhydrase CafB from the pathogenic fungus Aspergillus fumigatus (C116 flipped form)
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 4O1K
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, SITTING DROP 295 0.1 M Tris-HCl pH 7.0-8.5
28-30% (w/v) polyethylene glycol 2000 (PEG2000)
0.1 M magnesium acetate
Crystal Properties Matthews coefficient Solvent content 2.66 53.73
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 118.812 α = 90 b = 118.812 β = 90 c = 68.074 γ = 120
Symmetry Space Group P 32 2 1
Diffraction Diffraction Experiment ID # Crystal ID Scattering Type Data Collection Temperature Detector Detector Type Details Collection Date Monochromator Protocol 1 1 x-ray 80 CCD ADSC QUANTUM 315r 2019-06-01 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON PAL/PLS BEAMLINE 5C (4A) 0.97926 PAL/PLS 5C (4A)
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge I (Observed) Rrim I (All) Rpim I (All) 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 50 99.9 0.141 0.15 0.049 5.3 8.8 27978
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R Merge I (Observed) Rrim I (All) Rpim I (All) CC (Half) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 2.2 2.28 99.4 0.743 0.807 0.313 0.896 6.4
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 4O1K 2.2 41.08 26517 1444 98.95 0.1762 0.1742 0.1822 0.2144 0.2168 RANDOM 47.749
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] 1.34 0.67 1.34 -4.34
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 31.957 r_dihedral_angle_4_deg 21.846 r_dihedral_angle_3_deg 15.104 r_dihedral_angle_1_deg 6.245 r_angle_refined_deg 1.499 r_angle_other_deg 1.335 r_chiral_restr 0.074 r_bond_refined_d 0.009 r_gen_planes_refined 0.007 r_bond_other_d 0.001
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 31.957 r_dihedral_angle_4_deg 21.846 r_dihedral_angle_3_deg 15.104 r_dihedral_angle_1_deg 6.245 r_angle_refined_deg 1.499 r_angle_other_deg 1.335 r_chiral_restr 0.074 r_bond_refined_d 0.009 r_gen_planes_refined 0.007 r_bond_other_d 0.001 r_gen_planes_other 0.001
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 3494 Nucleic Acid Atoms Solvent Atoms 143 Heterogen Atoms 8
Software Software Software Name Purpose HKL-2000 data scaling REFMAC refinement PDB_EXTRACT data extraction HKL-2000 data reduction PHASER phasing