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Trichotoxin_A50E, An Ion Channel-Forming Polypeptide
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details other MODEL OF HELICAL PEPTIDE, RESIDUES 1-13.
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 METHANOL:ACETONITRILE 1:10, EVAPORATION, RECRYSTALLIZATION, TEMPERATURE 268K
Crystal Properties Matthews coefficient Solvent content 1.3 8.28
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 9.49 α = 95.77 b = 16.85 β = 98.07 c = 31.68 γ = 99.45
Diffraction Diffraction Experiment ID # Crystal ID Scattering Type Data Collection Temperature Detector Detector Type Details Collection Date Monochromator Protocol 1 1 x-ray 150 CCD ADSC QUANTUM 4 2001-04-24 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON SRS SRS
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 0.9 10 99.7 0.0514 15.03 2.79 13427
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 0.9 0.95 99.9 0.2614 2.36 2.18
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Starting model Resolution (High) Resolution (Low) Number Reflections (All) Number Reflections (R-Free) Percent Reflections (Observed) R-Factor (All) R-Factor (Observed) R-Work (Depositor) R-Work (DCC) R-Free (Depositor) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT THROUGHOUT MODEL OF HELICAL PEPTIDE, RESIDUES 1-13. 0.9 10 13427 688 99.7 0.076 0.075 0.1064 0.092 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]
Coordinate Error Structure Solution Method Refinement High Resolution Refinement Low Resolution 278 249
RMS Deviations Key Refinement Restraint Deviation s_non_zero_chiral_vol 1.186 s_zero_chiral_vol 0.101 s_approx_iso_adps 0.091 s_similar_adp_cmpnt 0.03 s_bond_d 0.026 s_angle_d 0.026 s_from_restr_planes 0.026 s_rigid_bond_adp_cmpnt 0.006 s_similar_dist s_anti_bump_dis_restr
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 238 Nucleic Acid Atoms Solvent Atoms 5 Heterogen Atoms 6
Software Software Software Name Purpose MOLREP phasing ARP/wARP model building SHELXL-97 refinement SMART data reduction