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Crystal Structure of Chiral Gamma-PNA with Complementary DNA Strand: Insight Into the Stability and Specificity of Recognition an Conformational Preorganization
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 8.5 295 sample of 5mg/mL at 50 mM Tris pH7.5, 0.1 mM ZnSO4; well solution 20% w/v PEG-8000, 0.1 M Tris pH 8.5 and 0.2 M MgCl2, VAPOR DIFFUSION, HANGING DROP, temperature 295K
Crystal Properties Matthews coefficient Solvent content 3.28 62.45
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 48.19 α = 90 b = 52.57 β = 90 c = 61.15 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 93 CCD MARMOSAIC 300 mm CCD Si(111) monochromator 2007-12-07 M MAD 2 1 x-ray M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON APS BEAMLINE 22-ID 1.27196 APS 22-ID
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 1.6 30.72 91.2 0.068 6.5 19186 19186 -3
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) 1.6 1.66 64 0.44 2.1 4.3
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-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 AB INITIO FREE R 1.6 10 4 19721 19141 958 0.2179 0.2022 0.2009 0.2138 0.2287 0.2025 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 1031.83
RMS Deviations Key Refinement Restraint Deviation s_similar_dist 0.078 s_similar_adp_cmpnt 0.075 s_anti_bump_dis_restr 0.074 s_angle_d 0.029 s_from_restr_planes 0.0185 s_bond_d 0.01 s_non_zero_chiral_vol 0.008 s_zero_chiral_vol s_rigid_bond_adp_cmpnt s_approx_iso_adps
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 418 Nucleic Acid Atoms 404 Solvent Atoms 189 Heterogen Atoms 22
Software Software Software Name Purpose HKL-2000 data collection SHELX model building SHELXL-97 refinement HKL-2000 data reduction SCALEPACK data scaling SHELX phasing