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Carbonic Anhydrase II in complex with Saccharin at 1.95 Angstrom
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1OQ5 pdb entry 1OQ5
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, SITTING DROP 8 277 2.5 M ammonium sulfate, 0.1 M tris hydrochloride, 0.3 M natrium chloride, 0.15 mM p-Chlormercuricbenzoic acid, pH 8.0, VAPOR DIFFUSION, SITTING DROP, temperature 277K
Crystal Properties Matthews coefficient Solvent content 2.08 40.95
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 42.2 α = 90 b = 41.4 β = 104.6 c = 72.2 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 113 IMAGE PLATE RIGAKU RAXIS IV++ osmic mirrors 2007-01-25 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 ROTATING ANODE RIGAKU RUH3R 1.54178
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 1.95 20 93.2 0.064 13.5 2.4 16649 16649 17.2
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R-Sym I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 1.95 2 61.7 0.21 3.4 1.8 734
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Starting model Resolution (High) Resolution (Low) Number Reflections (All) Number Reflections (Observed) Number Reflections (R-Free) Percent Reflections (Observed) R-Factor (All) 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 FREE R pdb entry 1OQ5 1.95 20 16249 16249 798 90.9 0.1841 0.1841 0.1816 0.1851 0.2602 0.2122 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 5 1989.62 2306.08
RMS Deviations Key Refinement Restraint Deviation s_non_zero_chiral_vol 0.034 s_zero_chiral_vol 0.029 s_from_restr_planes 0.0265 s_angle_d 0.021 s_anti_bump_dis_restr 0.013 s_similar_adp_cmpnt 0.008 s_bond_d 0.005 s_similar_dist s_rigid_bond_adp_cmpnt s_approx_iso_adps
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 2039 Nucleic Acid Atoms Solvent Atoms 214 Heterogen Atoms 53
Software Software Software Name Purpose SHELX model building SHELXL-97 refinement CrystalClear data collection HKL-2000 data reduction HKL-2000 data scaling PHASER phasing