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Crystal structure of a partly self-complementary peptide nucleic acid (PNA) oligomer showing a duplex-triplex network
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 293 crystal 1: magnesium chloride, PEG 8000, glycerol, VAPOR DIFFUSION, HANGING DROP, temperature 293K 2 VAPOR DIFFUSION, SITTING DROP 293 crystal 2: isopropanol, calcium chloride, acetate, pH 4.8, VAPOR DIFFUSION, SITTING DROP, temperature 293K
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 55.6 α = 90 b = 41.9 β = 117.7 c = 30.1 γ = 90
Symmetry Space Group C 1 2 1
Diffraction Diffraction Experiment ID # Crystal ID Scattering Type Data Collection Temperature Detector Detector Type Details Collection Date Monochromator Protocol 1 1 x-ray 293 IMAGE PLATE MARRESEARCH 1998-02-17 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON ESRF BEAMLINE BM14 1.0000 ESRF BM14
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 2.6 30 98.6 0.045 22.4 3 1839 1839
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 2.6 2.69 95.6 0.183 5.3 172
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Resolution (High) Resolution (Low) Cut-off Sigma (F) Number Reflections (All) Number Reflections (Observed) Number Reflections (R-Free) Percent Reflections (Observed) R-Work (Depositor) R-Work (DCC) R-Free (Depositor) R-Free (DCC) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION crystal 1: single wavelength protocol.
crystal 2: MAD protocol with data collected on 5-bromo-uracil derivative crystal
at 0.9177, 0.9185, 0.9110, 0.9218 A.
the condition for crystal 2 was as follows.
collection data: 05-NOV-2000, temperature(kelvin): 110, PH: 4.80, the details of the source of radiation: synchrotron, EMBL/DESY, HAMBURG beamline BW7A THROUGHOUT 2.6 27 3 1839 1517 141 78.2 0.255 0.2812 0.277 0.3175 random 42.5
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 c_angle_deg 1.3 c_bond_d 0.009
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 312 Nucleic Acid Atoms Solvent Atoms 33 Heterogen Atoms
Software Software Software Name Purpose DENZO data reduction SCALEPACK data scaling SOLVE phasing CNS refinement