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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-(3-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 2.09 41.1
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 42.33 α = 90 b = 41.353 β = 104.396 c = 72.147 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 1.3 39.97 92.4 0.031 0.044 0.998 11.5 2 54971
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 1.3 1.32 83.8 0.217 0.306 0.846 2.7 2
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 1.3 39.97 54968 2782 92.112 0.123 0.1208 0.1342 0.1641 0.171 16.132
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] 1.121 -0.239 -1.247 0.22
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 34.284 r_dihedral_angle_4_deg 23.575 r_dihedral_angle_3_deg 13.786 r_scangle_it 8.124 r_scangle_other 8.122 r_scbond_other 6.986 r_dihedral_angle_1_deg 6.984 r_scbond_it 6.958 r_lrange_other 6.86 r_lrange_it 6.731
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 34.284 r_dihedral_angle_4_deg 23.575 r_dihedral_angle_3_deg 13.786 r_scangle_it 8.124 r_scangle_other 8.122 r_scbond_other 6.986 r_dihedral_angle_1_deg 6.984 r_scbond_it 6.958 r_lrange_other 6.86 r_lrange_it 6.731 r_rigid_bond_restr 4.818 r_mcangle_other 2.752 r_mcangle_it 2.747 r_mcbond_it 2.174 r_mcbond_other 2.106 r_angle_refined_deg 2.038 r_angle_other_deg 1.536 r_nbd_other 0.254 r_nbd_refined 0.251 r_symmetry_nbd_refined 0.248 r_symmetry_nbd_other 0.208 r_xyhbond_nbd_refined 0.204 r_nbtor_refined 0.181 r_symmetry_xyhbond_nbd_refined 0.155 r_symmetry_xyhbond_nbd_other 0.114 r_chiral_restr 0.113 r_symmetry_nbtor_other 0.092 r_metal_ion_refined 0.069 r_bond_refined_d 0.016 r_gen_planes_refined 0.012 r_bond_other_d 0.001 r_gen_planes_other 0.001
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 2053 Nucleic Acid Atoms Solvent Atoms 305 Heterogen Atoms 48
Software Software Software Name Purpose REFMAC refinement XDS data reduction Aimless data scaling REFMAC phasing