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Backbone Conformational Constraints in a Microcrystalline U-15N-Labeled Protein by 3D Dipolar-Shift Solid-State NMR Spectroscopy
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 4.5 5mM Acetate 3.8, 150mM NaCl, 50% MPD and 20% IPA, pH 4.5
Crystal Properties Matthews coefficient Solvent content 1.92 36
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 25.197 α = 90 b = 36.384 β = 90 c = 50.274 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 CCD ADSC QUANTUM 210 2005-11-01 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON NSLS BEAMLINE X12C NSLS X12C
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (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 1.14 50 96.3 16662
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Resolution (High) Resolution (Low) Cut-off Sigma (F) 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 (DCC) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION AB INITIO FREE R 1.14 50 4 16502 787 94.6 0.193 0.167 0.1811 0.181 0.1966 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 557
RMS Deviations Key Refinement Restraint Deviation s_non_zero_chiral_vol 0.084 s_similar_adp_cmpnt 0.075 s_zero_chiral_vol 0.063 s_from_restr_planes 0.031 s_angle_d 0.03 s_anti_bump_dis_restr 0.015 s_bond_d 0.013 s_similar_dist s_rigid_bond_adp_cmpnt s_approx_iso_adps
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 438 Nucleic Acid Atoms Solvent Atoms 119 Heterogen Atoms
Software Software Software Name Purpose SHELX model building SHELXL-97 refinement HKL-2000 data reduction SCALEPACK data scaling SHELX phasing
NMR Ensemble Information Conformer Selection Criteria Conformers Calculated Total Number Conformers Submitted Total Number 1