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The Channel Architecture of Aquaporin O at 2.2 Angstrom Resolution
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1J4N PDB ENTRY 1J4N
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, SITTING DROP 10 298 30% polyethylene glycol 1000, 20 mM glycine, 50 mM NaCl, pH 10.00, VAPOR DIFFUSION, SITTING DROP, temperature 298K
Crystal Properties Matthews coefficient Solvent content 2.89 55.78
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 110.531 α = 90 b = 110.531 β = 90 c = 53.39 γ = 90
Symmetry Space Group P 4 21 2
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 2003-10-15 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON ALS BEAMLINE 8.3.1 1.115870 ALS 8.3.1
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge I (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 2.2 30 93.7 0.041 0.041 27.96 20.3 16385 16284 2 2 25.7
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R Merge I (Observed) R-Sym I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 2.2 2.28 80 0.5 0.5 2.6 5.3
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 THROUGHOUT PDB ENTRY 1J4N 2.24 25.26 16284 14682 1468 89.5 0.246 0.24 0.24 0.2399 0.303 0.3019 RANDOM 53.1
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] -11.66 -11.66 23.32
RMS Deviations Key Refinement Restraint Deviation c_dihedral_angle_d 18.9 c_scangle_it 2.27 c_mcangle_it 1.92 c_scbond_it 1.6 c_angle_deg 1.2 c_mcbond_it 1.17 c_improper_angle_d 0.73 c_bond_d 0.006
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 1761 Nucleic Acid Atoms Solvent Atoms 182 Heterogen Atoms 42
Software Software Software Name Purpose DENZO data reduction SCALEPACK data scaling CNS refinement CNS phasing