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Human carbonic anhydrase II complexed with its inhibitor rhenium(I)triscarbonyl-cyclopentadienyl-carboxy-4-aminomethylbenzene-sulfonamide
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 3IQK PDB ENTRY 3IQK
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 8 2.4 M ammonium sulfate, 0.1 M Tris-HCl, pH 8.0, 1 mM 4-hydroxymercuribenzoic acid, 5% v/v DMSO, 4 weeks at 298K, 2 weeks at 277K, 4 weeks again at 298K, VAPOR DIFFUSION, HANGING DROP
Crystal Properties Matthews coefficient Solvent content 2.11 41.75
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 42.243 α = 90 b = 41.639 β = 104.55 c = 72.107 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 CCD MARMOSAIC 225 mm CCD MIRROR, BARTELS MONOCHROMATOR, DUAL CHANNEL CUT CRYSTALS, TOROIDAL MIRROR 2011-01-26 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON SLS BEAMLINE X06SA SLS X06SA
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Sym 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 1.2 35.76 95.5 0.0308 15.88 2.02 142060 121548 4 2
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 1.2 1.27 0.306 4.71 2 22336
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Starting model Resolution (High) Resolution (Low) Cut-off Sigma (I) Cut-off Sigma (F) Number Reflections (All) Number Reflections (Observed) Number Reflections (R-Free) Percent Reflections (Observed) R-Work (Depositor) R-Work (DCC) R-Free (Depositor) R-Free (DCC) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION AB INITIO FREE R PDB ENTRY 3IQK 1.2 35.76 2 4 142060 121548 7121 95.5 0.166 0.1659 0.19 0.186 RANDOM
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]
Coordinate Error Structure Solution Method Refinement High Resolution Refinement Low Resolution 15 2429.8
RMS Deviations Key Refinement Restraint Deviation s_non_zero_chiral_vol 0.093 s_zero_chiral_vol 0.091 s_similar_adp_cmpnt 0.05 s_angle_d 0.033 s_from_restr_planes 0.0318 s_anti_bump_dis_restr 0.02 s_bond_d 0.018 s_similar_dist s_rigid_bond_adp_cmpnt s_approx_iso_adps
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 2053 Nucleic Acid Atoms Solvent Atoms 333 Heterogen Atoms 67
Software Software Software Name Purpose RemDAq data collection PHASER phasing SHELXL-97 refinement XDS data reduction XDS data scaling