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Gramicidin A/CsCl complex, active as a dimer
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1C4D HOME-MADE MODEL
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 7 30 MG/ML GRAMICIDIN, SATURATED CSCL, METHANOL, PH 7.0, BATCH METHOD
Crystal Properties Matthews coefficient Solvent content 1.74 30
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 31.06 α = 90 b = 31.88 β = 90 c = 52.11 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 295 IMAGE PLATE RIGAKU COLLIMATOR 1995-10-15 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 ROTATING ANODE RIGAKU RUH2R
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 1.4 100 92.4 0.096 0.096 59 6.1 108451
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 1.4 1.45 54.5 0.152 0.152 2.9 2
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-Free (Depositor) Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT/ ANOMALOUS SCATTERING FREE R HOME-MADE MODEL 1.4 100 17776 1788 92.4 0.156 0.154 0.186
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 2 560 572.47
RMS Deviations Key Refinement Restraint Deviation s_from_restr_planes 0.311 s_non_zero_chiral_vol 0.087 s_zero_chiral_vol 0.07 s_similar_adp_cmpnt 0.048 s_angle_d 0.035 s_bond_d 0.015 s_rigid_bond_adp_cmpnt 0.005 s_similar_dist s_anti_bump_dis_restr s_approx_iso_adps
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 544 Nucleic Acid Atoms Solvent Atoms 22 Heterogen Atoms 29
Software Software Software Name Purpose SHELXL-97 model building SHELXL-97 refinement DENZO data reduction SCALEPACK data scaling SHELXL-97 phasing