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High Resolution Structure of a Truncated Neuronal SNARE Complex
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1SFC PDB ENTRY 1SFC
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 5.5 277 MPD, CaCl2, MES, pH 5.5, VAPOR DIFFUSION, HANGING DROP, temperature 4.0K
Crystal Properties Matthews coefficient Solvent content 1.92 35.37
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 39.767 α = 90 b = 51.75 β = 90 c = 132.938 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 ADSC QUANTUM 4 2002-09-06 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON ALS BEAMLINE 8.2.1 0.9000 ALS 8.2.1
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 1.45 34.14 97.8 0.69 0.69 20.4 5 49616 48574 20.5
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) 1.45 1.5 88.4 0.439 0.439 3.5 5 4310
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 1SFC 1.45 34.13 49616 48509 4783 97.6 0.201 0.201 0.198 0.1976 0.224 0.2225 RANDOM 27.8
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] -5.4 9.14 -3.73
RMS Deviations Key Refinement Restraint Deviation c_dihedral_angle_d 14.3 c_scangle_it 7.25 c_scbond_it 4.74 c_mcangle_it 2.71 c_mcbond_it 2.01 c_angle_deg 1 c_improper_angle_d 0.72 c_bond_d 0.006
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 2206 Nucleic Acid Atoms Solvent Atoms 338 Heterogen Atoms 3
Software Software Software Name Purpose HKL-2000 data collection SCALEPACK data scaling CNS refinement HKL-2000 data reduction CNS phasing