+Open data
-Basic information
Entry | Database: PDB / ID: 6vem | ||||||
---|---|---|---|---|---|---|---|
Title | Structure of RNA octamer | ||||||
Components | Modified Octamer RNA | ||||||
Keywords | RNA / Synthetic RNA / 5'-C-Metyl-guanosine | ||||||
Function / homology | COBALT HEXAMMINE(III) / RNA Function and homology information | ||||||
Biological species | synthetic construct (others) | ||||||
Method | X-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 1.56 Å | ||||||
Authors | Pallan, P.S. / Egli, M. | ||||||
Citation | Journal: Nucleic Acids Res. / Year: 2020 Title: Synthesis, chirality-dependent conformational and biological properties of siRNAs containing 5'-(R)- and 5'-(S)-C-methyl-guanosine. Authors: Mikami, A. / Erande, N. / Matsuda, S. / Kel'in, A. / Woods, L.B. / Chickering, T. / Pallan, P.S. / Schlegel, M.K. / Zlatev, I. / Egli, M. / Manoharan, M. | ||||||
History |
|
-Structure visualization
Structure viewer | Molecule: MolmilJmol/JSmol |
---|
-Downloads & links
-Download
PDBx/mmCIF format | 6vem.cif.gz | 33 KB | Display | PDBx/mmCIF format |
---|---|---|---|---|
PDB format | pdb6vem.ent.gz | 22.5 KB | Display | PDB format |
PDBx/mmJSON format | 6vem.json.gz | Tree view | PDBx/mmJSON format | |
Others | Other downloads |
-Validation report
Arichive directory | https://data.pdbj.org/pub/pdb/validation_reports/ve/6vem ftp://data.pdbj.org/pub/pdb/validation_reports/ve/6vem | HTTPS FTP |
---|
-Related structure data
Related structure data | 259dS S: Starting model for refinement |
---|---|
Similar structure data |
-Links
-Assembly
Deposited unit |
| ||||||||
---|---|---|---|---|---|---|---|---|---|
1 |
| ||||||||
Unit cell |
|
-Components
#1: RNA chain | Mass: 2570.619 Da / Num. of mol.: 2 / Source method: obtained synthetically / Details: GMX is 5 prime-C-methyl-guanosine / Source: (synth.) synthetic construct (others) #2: Chemical | ChemComp-NCO / #3: Water | ChemComp-HOH / | Has ligand of interest | Y | |
---|
-Experimental details
-Experiment
Experiment | Method: X-RAY DIFFRACTION / Number of used crystals: 1 |
---|
-Sample preparation
Crystal | Density Matthews: 2.34 Å3/Da / Density % sol: 47.34 % |
---|---|
Crystal grow | Temperature: 291 K / Method: vapor diffusion, hanging drop Details: Sodium cacodylate (20 mM, pH 6.0), sodium chloride (40 mM), hexamine cobalt(III) chloride (10 mM), and 2-methyl-2,4-pentanediol (MPD; 5% (v/v) |
-Data collection
Diffraction | Mean temperature: 100 K / Serial crystal experiment: N |
---|---|
Diffraction source | Source: SYNCHROTRON / Site: APS / Beamline: 21-ID-D / Wavelength: 0.9183 Å |
Detector | Type: DECTRIS EIGER2 X 9M / Detector: PIXEL / Date: Jun 2, 2019 |
Radiation | Monochromator: Si(111) / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength: 0.9183 Å / Relative weight: 1 |
Reflection | Resolution: 1.56→23 Å / Num. obs: 6721 / % possible obs: 99.3 % / Redundancy: 18.5 % / Rmerge(I) obs: 0.063 / Rpim(I) all: 0.015 / Net I/av σ(I): 63.3 / Net I/σ(I): 63.32 |
Reflection shell | Resolution: 1.56→1.62 Å / Redundancy: 12.1 % / Rmerge(I) obs: 0.869 / Mean I/σ(I) obs: 1.33 / Num. unique obs: 627 / Rpim(I) all: 0.243 / % possible all: 92.4 |
-Processing
Software |
| ||||||||||||||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Refinement | Method to determine structure: MOLECULAR REPLACEMENT Starting model: 259D Resolution: 1.56→21.72 Å / Cor.coef. Fo:Fc: 0.976 / Cor.coef. Fo:Fc free: 0.967 / SU B: 5.046 / SU ML: 0.077 / Cross valid method: THROUGHOUT / σ(F): 0 / ESU R: 0.108 / ESU R Free: 0.098 Details: HYDROGENS HAVE BEEN USED IF PRESENT IN THE INPUT U VALUES : REFINED INDIVIDUALLY
| ||||||||||||||||||||||||||||||
Solvent computation | Ion probe radii: 0.8 Å / Shrinkage radii: 0.8 Å / VDW probe radii: 1.2 Å | ||||||||||||||||||||||||||||||
Displacement parameters | Biso max: 83.43 Å2 / Biso mean: 38.293 Å2 / Biso min: 20.47 Å2
| ||||||||||||||||||||||||||||||
Refinement step | Cycle: final / Resolution: 1.56→21.72 Å
| ||||||||||||||||||||||||||||||
Refine LS restraints |
| ||||||||||||||||||||||||||||||
LS refinement shell | Resolution: 1.562→1.602 Å / Rfactor Rfree error: 0 / Total num. of bins used: 20
|