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- PDB-3ssf: Crystal structure of RNA:DNA dodecamer corresponding to HIV-1 pol... -
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Open data
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Basic information
Entry | Database: PDB / ID: 3ssf | ||||||
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Title | Crystal structure of RNA:DNA dodecamer corresponding to HIV-1 polypurine tract, at 1.6 A resolution. | ||||||
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![]() | RNA/DNA / Polypurine tract (PPT) of HIV-1 / RNA-DNA hybrid / reverse transcription / RNA-DNA complex | ||||||
Function / homology | DNA / DNA (> 10) / RNA / RNA (> 10)![]() | ||||||
Method | ![]() ![]() ![]() | ||||||
![]() | Drozdzal, P. / Michalska, K. / Kierzek, R. / Lomozik, L. / Jaskolski, M. | ||||||
![]() | ![]() Title: Structure of an RNA/DNA dodecamer corresponding to the HIV-1 polypurine tract at 1.6 Angstrom resolution Authors: Drozdzal, P. / Michalska, K. / Kierzek, R. / Lomozik, L. / Jaskolski, M. #1: ![]() Title: An unusual sugar conformation in the structure of an RNA/DNA decamer of the polypurine tract may affect recognition by RNase H. Authors: Kopka, M.L. / Lavelle, L. / Han, G.W. / Ng, H.-L. / Dickerson, R.E. #2: ![]() Title: Crystal structure of an RNA.DNA hybrid reveals intermolecular intercalation: dimer formation by base-pair swapping. Authors: Han, G.W. / Kopka, M.L. / Langs, D. / Sawaya, M.R. / Dickerson, R.E. #3: ![]() Title: Crystal structure of HIV-1 reverse transcriptase in complex with a polypurine tract RNA:DNA Authors: G Sarafianos, S. / Das, K. / Tantillo, C. / Clark Jr., A.D. / Ding, J. / Whitcomb, J.M. / Boyer, P.L. / Hughes, S.H. / Arnold, E. | ||||||
History |
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Structure visualization
Structure viewer | Molecule: ![]() ![]() |
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Downloads & links
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Download
PDBx/mmCIF format | ![]() | 43.7 KB | Display | ![]() |
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PDB format | ![]() | 31.7 KB | Display | ![]() |
PDBx/mmJSON format | ![]() | Tree view | ![]() | |
Others | ![]() |
-Validation report
Summary document | ![]() | 396.9 KB | Display | ![]() |
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Full document | ![]() | 403.1 KB | Display | |
Data in XML | ![]() | 4.8 KB | Display | |
Data in CIF | ![]() | 6.2 KB | Display | |
Arichive directory | ![]() ![]() | HTTPS FTP |
-Related structure data
Related structure data | ![]() 1pjoS S: Starting model for refinement |
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Similar structure data |
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Links
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Assembly
Deposited unit | ![]()
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Unit cell |
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Components on special symmetry positions |
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Components
#1: RNA chain | Mass: 3930.472 Da / Num. of mol.: 1 / Source method: obtained synthetically | ||
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#2: DNA chain | Mass: 3569.337 Da / Num. of mol.: 1 / Source method: obtained synthetically | ||
#3: Chemical | #4: Water | ChemComp-HOH / | |
-Experimental details
-Experiment
Experiment | Method: ![]() |
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Sample preparation
Crystal | Density Matthews: 1.94 Å3/Da / Density % sol: 36.7 % |
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Crystal grow | Temperature: 292 K / pH: 5.5 Details: 40% MPD, 0.04M hexamminecobalt(III) chloride, 0.02M magnesium chloride, 0.04M lithium chloride, 0.04M sodium cacodylate, pH 5.5, VAPOR DIFFUSION, HANGING DROP, temperature 292K |
-Data collection
Diffraction | Mean temperature: 100 K |
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Diffraction source | Source: ![]() ![]() ![]() |
Detector | Type: MAR CCD 165 mm / Detector: CCD / Date: Dec 4, 2009 |
Radiation | Monochromator: SI 111 CHANNEL / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength: 0.801 Å / Relative weight: 1 |
Reflection | Resolution: 1.6→50 Å / Num. obs: 8012 / % possible obs: 99.5 % / Observed criterion σ(I): -3 / Redundancy: 6.7 % / Rmerge(I) obs: 0.04 / Net I/σ(I): 41.7 |
Reflection shell | Resolution: 1.6→1.66 Å / Redundancy: 5.5 % / Rmerge(I) obs: 0.55 / Mean I/σ(I) obs: 2.851 / % possible all: 99.6 |
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Processing
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Refinement | Method to determine structure: ![]() Starting model: 1PJO Resolution: 1.6→15.32 Å / Cor.coef. Fo:Fc: 0.972 / Cor.coef. Fo:Fc free: 0.958 / SU B: 4.319 / SU ML: 0.075 / Cross valid method: THROUGHOUT / ESU R: 0.108 / ESU R Free: 0.111 / Stereochemistry target values: MAXIMUM LIKELIHOOD / Details: HYDROGEN ATOMS WERE ADDED IN THE RIDING POSITIONS
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Solvent computation | Ion probe radii: 0.8 Å / Shrinkage radii: 0.8 Å / VDW probe radii: 1.4 Å / Solvent model: BABINET MODEL WITH MASK | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Displacement parameters | Biso mean: 23.02 Å2
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Refinement step | Cycle: LAST / Resolution: 1.6→15.32 Å
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Refine LS restraints |
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LS refinement shell | Resolution: 1.6→1.64 Å / Total num. of bins used: 20
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Refinement TLS params. | Method: refined / Refine-ID: X-RAY DIFFRACTION
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Refinement TLS group |
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