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Human Carbonic Anhydrase II in complex with (2S,3S,4S,5R,6R)-3,4,5-trihydroxy-6-(4-(((4-oxo-1,2,3,4-tetrahydrocyclopenta[c]chromen-7-yl)oxy)methyl)-1H-1,2,3-triazol-1-yl)-N-(4-sulfamoylphenyl)tetrahydro-2H-pyran-2-carboxamide
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 4FIK
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 8 296 1.5 M sodium citrate, 0.1 M Tris pH 8.0
Crystal Properties Matthews coefficient Solvent content 2.11 41.58
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 42.418 α = 90 b = 41.489 β = 104.477 c = 72.381 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 PIXEL DECTRIS EIGER2 S 9M 2025-10-10 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON ESRF BEAMLINE ID30B 0.87313 ESRF ID30B
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 1.39 41.49 99 0.039 0.054 0.998 13.6 2.8 48523
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 1.39 1.42 90.9 0.269 0.373 0.838 2.6 2.4
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Resolution (High) Resolution (Low) Number Reflections (Observed) Number Reflections (R-Free) Percent Reflections (Observed) R-Factor (All) R-Work (Depositor) R-Work (DCC) R-Free (Depositor) R-Free (DCC) Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT NONE 1.39 41.49 48507 2346 98.921 0.113 0.1111 0.1216 0.1475 0.1516 16.723
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] -0.162 -0.031 0.191 -0.012
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 34.329 r_dihedral_angle_4_deg 25.168 r_dihedral_angle_3_deg 12.416 r_dihedral_angle_1_deg 7.007 r_scangle_it 5.992 r_scangle_other 5.99 r_lrange_other 5.891 r_lrange_it 5.89 r_scbond_it 5.179 r_scbond_other 5.177
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 34.329 r_dihedral_angle_4_deg 25.168 r_dihedral_angle_3_deg 12.416 r_dihedral_angle_1_deg 7.007 r_scangle_it 5.992 r_scangle_other 5.99 r_lrange_other 5.891 r_lrange_it 5.89 r_scbond_it 5.179 r_scbond_other 5.177 r_rigid_bond_restr 4.642 r_mcangle_it 2.586 r_mcangle_other 2.586 r_mcbond_it 2.185 r_mcbond_other 2.107 r_angle_refined_deg 2.078 r_angle_other_deg 1.525 r_nbd_refined 0.265 r_symmetry_nbd_refined 0.261 r_xyhbond_nbd_refined 0.212 r_symmetry_nbd_other 0.201 r_symmetry_xyhbond_nbd_other 0.198 r_nbd_other 0.182 r_nbtor_refined 0.177 r_symmetry_xyhbond_nbd_refined 0.168 r_chiral_restr 0.126 r_symmetry_nbtor_other 0.091 r_metal_ion_refined 0.079 r_bond_refined_d 0.015 r_gen_planes_refined 0.012 r_gen_planes_other 0.002 r_bond_other_d 0.001
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 2053 Nucleic Acid Atoms Solvent Atoms 275 Heterogen Atoms 54
Software Software Software Name Purpose REFMAC refinement XDS data reduction Aimless data scaling REFMAC phasing