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The high resolution structure of tyrocidine A reveals an amphipathic dimer
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, SITTING DROP 291 tyrocidine in methanol at 30 mg/mL, reservoir methanol:MPD (1:5 v/v), VAPOR DIFFUSION, SITTING DROP, temperature 291K
Crystal Properties Matthews coefficient Solvent content 2.11 41.57
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 33.39 α = 90 b = 33.39 β = 90 c = 50.57 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 270 2008-01-01 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON NSLS BEAMLINE X6A 0.8984 NSLS X6A
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge 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 0.95 19 98.8 0.04 48 12.2 6973 6973 -3 9.6
Refinement Statistics Diffraction ID Structure Solution Method Resolution (High) Resolution (Low) Number Reflections (All) 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 AB INITIO PHASING 0.95 19 6953 6953 685 98.5 0.1347 0.1339 0.1362 0.1422 0.1428 random
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]
RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 15.476 f_angle_d 1.787 f_chiral_restr 0.081 f_bond_d 0.017 f_plane_restr 0.009
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 92 Nucleic Acid Atoms Solvent Atoms 5 Heterogen Atoms 14
Software Software Software Name Purpose ADSC data collection SnB phasing PHENIX refinement XDS data reduction XDS data scaling