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Crystal structure of teh complex between CA II and the activator MAI
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1CA2
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 7.8 277 Tris.HCl pH 7.7-7.8, sodium 4-(hydroxymercury)benzoate, VAPOR DIFFUSION, HANGING DROP, temperature 277K
Crystal Properties Matthews coefficient Solvent content 2.1 41.49
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 42.2 α = 90 b = 41.57 β = 104.37 c = 72.46 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 OXFORD SAPPHIRE CCD 2008-12-12 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SEALED TUBE OXFORD DIFFRACTION ENHANCE ULTRA 1.54
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 2.09 70 0.193 6.1 4.6 14460 14365 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) 2.09 2.17 0.71 1.4 3.4 1441
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 1CA2 2.098 20 13643 714 99.27 0.20635 0.20157 0.2076 0.29594 0.2013 RANDOM 18.193
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] -0.15 0.3 0.19 0.11
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 36.88 r_dihedral_angle_4_deg 22.232 r_dihedral_angle_3_deg 18.532 r_dihedral_angle_1_deg 6.646 r_scangle_it 2.1 r_angle_refined_deg 1.49 r_scbond_it 1.377 r_mcangle_it 0.917 r_mcbond_it 0.545 r_nbtor_refined 0.306
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 36.88 r_dihedral_angle_4_deg 22.232 r_dihedral_angle_3_deg 18.532 r_dihedral_angle_1_deg 6.646 r_scangle_it 2.1 r_angle_refined_deg 1.49 r_scbond_it 1.377 r_mcangle_it 0.917 r_mcbond_it 0.545 r_nbtor_refined 0.306 r_symmetry_vdw_refined 0.242 r_nbd_refined 0.212 r_symmetry_hbond_refined 0.211 r_xyhbond_nbd_refined 0.174 r_chiral_restr 0.097 r_metal_ion_refined 0.014 r_bond_refined_d 0.012 r_gen_planes_refined 0.005
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 2039 Nucleic Acid Atoms Solvent Atoms 155 Heterogen Atoms 18
Software Software Software Name Purpose CrysalisPro data collection AMoRE phasing REFMAC refinement CrysalisPro data reduction SCALEPACK data scaling