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Crystal Structure of Munc18a and Syntaxin1 with native N-terminus complex
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 3C98 pdb entry 3C98
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, SITTING DROP 5.2 298 27% PEG 400, 10 mM EDTA, 10 mM DTT, 224 mM ammonium acetate, and 100 mM sodium acetate , pH 5.2, VAPOR DIFFUSION, SITTING DROP, temperature 298K
Crystal Properties Matthews coefficient Solvent content 2.54 51.51
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 156.775 α = 90 b = 156.775 β = 90 c = 78.752 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 RAYONIX MX-325 2009-07-10 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON SSRL BEAMLINE BL11-1 SSRL BL11-1
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 3.2 111.111 100 0.109 0.109 14.8 7.1 16764 16764
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 3.2 3.37 100 0.677 0.677 1.1 7.3 2395
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 3C98 3.2 110.86 16741 16741 1342 0.318 0.2042 0.199 0.2079 0.2631 0.2777 RANDOM 97.9108
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] 10.8188 10.8188 -21.6377
RMS Deviations Key Refinement Restraint Deviation t_other_torsion 3.54 t_omega_torsion 2.63 t_angle_deg 1.17 t_bond_d 0.01 t_dihedral_angle_d t_trig_c_planes t_gen_planes t_it t_chiral_improper_torsion t_ideal_dist_contact
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 6303 Nucleic Acid Atoms Solvent Atoms Heterogen Atoms
Software Software Software Name Purpose SCALA data scaling BUSTER-TNT refinement PDB_EXTRACT data extraction Blu-Ice data collection MOSFLM data reduction X-PLOR phasing BUSTER refinement