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THE STRUCTURE OF AN RNA/DNA HYBRID: A SUBSTRATE OF THE RIBONUCLEASE ACTIVITY OF HIV-1 REVERSE TRANSCRIPTASE
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details in silico model Other A-form RNA/DNA duplex
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 4.5 pH 4.50, VAPOR DIFFUSION, HANGING DROP
Crystal Properties Matthews coefficient Solvent content 2.64 46.5
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 31.3 α = 90 b = 31.3 β = 90 c = 137.7 γ = 90
Symmetry Space Group P 43 2 2
Diffraction Diffraction Experiment ID # Crystal ID Scattering Type Data Collection Temperature Detector Detector Type Details Collection Date Monochromator Protocol 1 1 x-ray AREA DETECTOR SIEMENS 1994-10-01 M
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1
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 2.3 5 94.4 0.081 0.081 20393 3315 2
Refinement Statistics Diffraction ID Structure Solution Method Starting model Resolution (High) Resolution (Low) Cut-off Sigma (F) Number Reflections (Observed) Number Reflections (R-Free) Percent Reflections (Observed) R-Factor (Observed) R-Work (Depositor) R-Work (DCC) R-Free (Depositor) Mean Isotropic B X-RAY DIFFRACTION MIR A-FORM DUPLEX 2.3 5 2 2457 80 0.145 0.145 0.1611
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 x_angle_deg 2.2 x_bond_d 0.019 x_bond_d_na x_bond_d_prot x_angle_d x_angle_d_na x_angle_d_prot x_angle_deg_na x_angle_deg_prot x_dihedral_angle_d
RMS Deviations Key Refinement Restraint Deviation x_angle_deg 2.2 x_bond_d 0.019 x_bond_d_na x_bond_d_prot x_angle_d x_angle_d_na x_angle_d_prot x_angle_deg_na x_angle_deg_prot x_dihedral_angle_d x_dihedral_angle_d_na x_dihedral_angle_d_prot x_improper_angle_d x_improper_angle_d_na x_improper_angle_d_prot x_mcbond_it x_mcangle_it x_scbond_it x_scangle_it
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms Nucleic Acid Atoms 412 Solvent Atoms 72 Heterogen Atoms
Software Software Software Name Purpose XTAL model building X-PLOR refinement XENGEN data reduction XENGEN data scaling XTAL phasing