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Carbonic anhydrase activators. The first X-ray crystallographic study of an activator of isoform I, structure with L-histidine.
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 9 298 25% PEG 4000, 0.1M Tris.HCl, 10% Ethylene glycol, pH 9.0, VAPOR DIFFUSION, HANGING DROP, temperature 298.0K
Crystal Properties Matthews coefficient Solvent content 2.28 46.12
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 62.138 α = 90 b = 70.182 β = 90 c = 120.573 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 CCD OXFORD SAPPHIRE CCD 2005-11-02 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SEALED TUBE OXFORD DIFFRACTION ENHANCE ULTRA 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 2 15 99 0.233 6.1 35889 35706 2
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 2 2.1 90
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Resolution (High) Resolution (Low) Cut-off Sigma (F) 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 2 15 2 33884 1781 97.41 0.21715 0.21273 0.2169 0.30254 0.2156 RANDOM 16.031
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] -1.2 1.24 -0.04
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 38.949 r_dihedral_angle_4_deg 21.492 r_dihedral_angle_3_deg 16.812 r_dihedral_angle_1_deg 7.464 r_scangle_it 3.501 r_scbond_it 2.667 r_angle_refined_deg 1.965 r_mcangle_it 1.633 r_mcbond_it 1.033 r_nbtor_refined 0.316
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 38.949 r_dihedral_angle_4_deg 21.492 r_dihedral_angle_3_deg 16.812 r_dihedral_angle_1_deg 7.464 r_scangle_it 3.501 r_scbond_it 2.667 r_angle_refined_deg 1.965 r_mcangle_it 1.633 r_mcbond_it 1.033 r_nbtor_refined 0.316 r_nbd_refined 0.251 r_symmetry_hbond_refined 0.209 r_symmetry_vdw_refined 0.203 r_xyhbond_nbd_refined 0.187 r_chiral_restr 0.131 r_metal_ion_refined 0.033 r_bond_refined_d 0.022 r_gen_planes_refined 0.009
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 4024 Nucleic Acid Atoms Solvent Atoms 370 Heterogen Atoms 24
Software Software Software Name Purpose REFMAC refinement MOSFLM data reduction SCALEPACK data scaling AMoRE phasing