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Crystal structure for the complex of human carbonic anhydrase IV and methazolamide
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1ZNC
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 4.6 277 100 mM Na acetate, 200 mM AmSO4 and 23% PEG 4000
Crystal Properties Matthews coefficient Solvent content 2.5 50.87
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 64.965 α = 90 b = 123.698 β = 90 c = 151.367 γ = 90
Symmetry Space Group P 21 21 21
Diffraction Diffraction Experiment ID # Crystal ID Scattering Type Data Collection Temperature Detector Detector Type Details Collection Date Monochromator Protocol 1 1 x-ray 100 IMAGE PLATE RIGAKU RAXIS IV++ 2015-02-26 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 ROTATING ANODE RIGAKU MICROMAX-007 HF 1.5418
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge I (Observed) 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 1.8 40 97.3 0.089 11.4 4.4 110310 -0.5 -0.5
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R Merge I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 1.8 1.83 94.2 0.422 2.1 2.9
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 1ZNC 1.8 95.78 104356 5481 96.85 0.18574 0.18416 0.1849 0.21585 0.2157 RANDOM 22.503
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] -0.07 -0.06 0.13
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 33.512 r_dihedral_angle_3_deg 14.423 r_dihedral_angle_4_deg 11.137 r_dihedral_angle_1_deg 6.271 r_scangle_it 2.545 r_scbond_it 1.528 r_angle_refined_deg 1.361 r_mcangle_it 0.839 r_mcbond_it 0.437 r_chiral_restr 0.083
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 33.512 r_dihedral_angle_3_deg 14.423 r_dihedral_angle_4_deg 11.137 r_dihedral_angle_1_deg 6.271 r_scangle_it 2.545 r_scbond_it 1.528 r_angle_refined_deg 1.361 r_mcangle_it 0.839 r_mcbond_it 0.437 r_chiral_restr 0.083 r_bond_refined_d 0.009 r_gen_planes_refined 0.005 r_bond_other_d r_angle_other_deg r_gen_planes_other 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_mcbond_other r_mcangle_other r_scbond_other r_scangle_other r_long_range_B_refined r_long_range_B_other r_rigid_bond_restr r_sphericity_free r_sphericity_bonded
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 8360 Nucleic Acid Atoms Solvent Atoms 915 Heterogen Atoms 142
Software Software Software Name Purpose REFMAC refinement HKL-2000 data reduction HKL-2000 data scaling MOLREP phasing