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Structure of inhibitor binding to Carbonic Anhydrase II
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 2CBA
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION 7.7 277 (NH4)2SO4, Tris, pH 7.7, vapor diffusion, temperature 277K
Crystal Properties Matthews coefficient Solvent content 2.06 40.35
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 42.264 α = 90 b = 41.338 β = 104.5 c = 71.975 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 ADSC QUANTUM 315 2005-11-10 SINGLE WAVELENGTH 2 1 x-ray
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON ALS BEAMLINE 5.0.2 1.0 ALS 5.0.2 2
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 1,2 1.03 50 89.7 0.061 9.4 3 105952 7.4
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) 1,2 1.03 1.07 56.9 0.283 2 1.3 6635
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 (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 2CBA 1.03 50 103824 2111 87.7 0.129 0.129 0.1331 0.164 0.16 RANDOM 15.136
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]
RMS Deviations Key Refinement Restraint Deviation s_anti_bump_dis_restr 0.103 s_approx_iso_adps 0.097 s_non_zero_chiral_vol 0.093 s_zero_chiral_vol 0.086 s_similar_adp_cmpnt 0.049 s_angle_d 0.032 s_from_restr_planes 0.031 s_bond_d 0.014 s_rigid_bond_adp_cmpnt 0.005 s_similar_dist
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 2066 Nucleic Acid Atoms Solvent Atoms 364 Heterogen Atoms 40
Software Software Software Name Purpose SHELXL-97 refinement SCALEPACK data scaling CNS refinement PDB_EXTRACT data extraction Blu-Ice data collection HKL-2000 data reduction HKL-2000 data scaling PHASER phasing DENZO data reduction