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Structure of a Trimeric Intracellular Cation channel from C. elegans in the absence of Ca2+
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 5EGI
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 4.4 289 20% PEG400, 50 mM NaAc buffer (pH 4.4), 50 mM MgAc2, 10 mM betaine hydrochloride
Crystal Properties Matthews coefficient Solvent content 3.57 65.56
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 126.34 α = 90 b = 126.34 β = 90 c = 135.57 γ = 120
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 2013-10-15 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON SSRF BEAMLINE BL17U 1.53062 SSRF BL17U
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 2.3 85 99.2 0.116 8.6 5.4 18464 52.41
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 2.3 2.42 99.4 0.73 2 5.4
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Starting model Resolution (High) Resolution (Low) Cut-off Sigma (F) Number Reflections (Observed) Number Reflections (R-Free) Percent Reflections (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-VALUE 5EGI 2.3 50 12 18464 901 98.9 0.2139 0.2142 0.2493 0.2488 Random selection 63.0185
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] -13.685 -13.685 27.371
RMS Deviations Key Refinement Restraint Deviation c_scangle_it 8.197 c_mcangle_it 6.287 c_scbond_it 6.064 c_mcbond_it 4.47 c_angle_d 1.634 c_bond_d 0.008
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 1851 Nucleic Acid Atoms Solvent Atoms 5 Heterogen Atoms 346
Software Software Software Name Purpose CNS refinement MOSFLM data reduction SCALA data scaling PHASER phasing