☰ Navigation Tabs
Structures of human carbonic anhydrase II inhibitor complexes reveal a second binding site for steroidal and non-steroidal inhibitors.
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1CA2 PDB ENTRY 1CA2
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 8 277 100 MM TRIS-HCL, 1 MM ZNSO4, 2.5 M AMMONIUM SULFATE; 30 MM 2-MERCAPTOETHANOL, 0.5 MM 2-METHOXYESTRADIOL 3-O-SULFAMATE, PH 8.0, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 277K
Crystal Properties Matthews coefficient Solvent content 2.1 40.6
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 42.256 α = 90 b = 40.832 β = 104.49 c = 72.697 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 4 MIRRORS 2006-11-04 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON SRS BEAMLINE PX9.6 SRS PX9.6
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 1.89 40.93 96.9 0.05 18.8 1.4 19429 9.7
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 1.89 1.95 99.3 0.12 7.7 1.4
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 PDB ENTRY 1CA2 1.89 22.99 18482 902 94.8 0.211 0.211 0.2154 0.248 0.2073 RANDOM 17
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] 1.5 1.17 -3.56 2.06
RMS Deviations Key Refinement Restraint Deviation c_dihedral_angle_d 24.6 c_scangle_it 2.27 c_scbond_it 1.62 c_mcangle_it 1.53 c_angle_deg 1.4 c_mcbond_it 1.07 c_improper_angle_d 0.86 c_bond_d 0.007 c_bond_d_na c_bond_d_prot
RMS Deviations Key Refinement Restraint Deviation c_dihedral_angle_d 24.6 c_scangle_it 2.27 c_scbond_it 1.62 c_mcangle_it 1.53 c_angle_deg 1.4 c_mcbond_it 1.07 c_improper_angle_d 0.86 c_bond_d 0.007 c_bond_d_na c_bond_d_prot c_angle_d c_angle_d_na c_angle_d_prot c_angle_deg_na c_angle_deg_prot c_dihedral_angle_d_na c_dihedral_angle_d_prot c_improper_angle_d_na c_improper_angle_d_prot
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 2049 Nucleic Acid Atoms Solvent Atoms 107 Heterogen Atoms 38
Software Software Software Name Purpose CNS refinement HKL-2000 data reduction HKL-2000 data scaling PHASER phasing