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- PDB-2po1: Crystal structure of the P. abyssi exosome RNase PH ring complexe... -
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Open data
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Basic information
Entry | Database: PDB / ID: 2po1 | ||||||
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Title | Crystal structure of the P. abyssi exosome RNase PH ring complexed with a single stranded 10-mer poly(A) RNA | ||||||
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![]() | hydrolase/hydrolase/RNA / RNase PH / hydrolase-hydrolase-RNA COMPLEX | ||||||
Function / homology | ![]() U1 snRNA 3'-end processing / nuclear polyadenylation-dependent mRNA catabolic process / U5 snRNA 3'-end processing / cytoplasmic exosome (RNase complex) / poly(A)-dependent snoRNA 3'-end processing / U4 snRNA 3'-end processing / : / exonucleolytic trimming to generate mature 3'-end of 5.8S rRNA from tricistronic rRNA transcript (SSU-rRNA, 5.8S rRNA, LSU-rRNA) / : / rRNA catabolic process ...U1 snRNA 3'-end processing / nuclear polyadenylation-dependent mRNA catabolic process / U5 snRNA 3'-end processing / cytoplasmic exosome (RNase complex) / poly(A)-dependent snoRNA 3'-end processing / U4 snRNA 3'-end processing / : / exonucleolytic trimming to generate mature 3'-end of 5.8S rRNA from tricistronic rRNA transcript (SSU-rRNA, 5.8S rRNA, LSU-rRNA) / : / rRNA catabolic process / Hydrolases; Acting on ester bonds; Exoribonucleases producing 5'-phosphomonoesters / 3'-5'-RNA exonuclease activity Similarity search - Function | ||||||
Biological species | ![]() ![]() | ||||||
Method | ![]() ![]() ![]() | ||||||
![]() | Navarro, M.V.A.S. / Guimaraes, B.G. | ||||||
![]() | ![]() Title: Insights into the mechanism of progressive RNA degradation by the archaeal exosome. Authors: Navarro, M.V.A.S. / Oliveira, C.C. / Zanchin, N.I. / Guimaraes, B.G. | ||||||
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Structure visualization
Structure viewer | Molecule: ![]() ![]() |
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Downloads & links
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Download
PDBx/mmCIF format | ![]() | 231.8 KB | Display | ![]() |
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PDB format | ![]() | 185.9 KB | Display | ![]() |
PDBx/mmJSON format | ![]() | Tree view | ![]() | |
Others | ![]() |
-Validation report
Summary document | ![]() | 481.9 KB | Display | ![]() |
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Full document | ![]() | 497.1 KB | Display | |
Data in XML | ![]() | 26 KB | Display | |
Data in CIF | ![]() | 37.2 KB | Display | |
Arichive directory | ![]() ![]() | HTTPS FTP |
-Related structure data
Related structure data | ![]() 2pnzSC ![]() 2po0C ![]() 2po2C S: Starting model for refinement C: citing same article ( |
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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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Details | The biological assembly is a hexamer generated from the heterodimer in the asymmetric unit by the operations: -y, x-y-1, z and -x+y+1, -x, z |
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Components
#1: RNA chain | Mass: 3247.100 Da / Num. of mol.: 1 / Source method: obtained synthetically | ||
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#2: Protein | Mass: 27720.305 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() ![]() ![]() References: UniProt: Q9V119, Hydrolases; Acting on ester bonds; Exoribonucleases producing 5'-phosphomonoesters | ||
#3: Protein | Mass: 30268.832 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() ![]() ![]() References: UniProt: Q9V118, Hydrolases; Acting on ester bonds; Exoribonucleases producing 5'-phosphomonoesters | ||
#4: Chemical | ChemComp-MPD / ( #5: Water | ChemComp-HOH / | |
-Experimental details
-Experiment
Experiment | Method: ![]() |
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Sample preparation
Crystal | Density Matthews: 2.61 Å3/Da / Density % sol: 52.86 % | ||||||||||||||||||||||||||||
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Crystal grow | Temperature: 291 K / Method: vapor diffusion, hanging drop / pH: 6 Details: 0.1 M Bis-Tris, 45% MPD and 0.1 M LiCl, pH 6.0, VAPOR DIFFUSION, HANGING DROP, temperature 291.0K | ||||||||||||||||||||||||||||
Components of the solutions |
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-Data collection
Diffraction | Mean temperature: 100 K |
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Diffraction source | Source: ![]() ![]() ![]() |
Detector | Type: MAR CCD 165 mm / Detector: CCD / Date: May 10, 2006 / Details: mirrors |
Radiation | Monochromator: Si 111 CHANNEL / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength: 1.427 Å / Relative weight: 1 |
Reflection | Resolution: 1.94→46.78 Å / Num. all: 47831 / Num. obs: 46981 / % possible obs: 98.2 % / Observed criterion σ(F): 1 / Observed criterion σ(I): 1 / Redundancy: 11 % / Biso Wilson estimate: 23.6 Å2 / Rsym value: 0.109 / Net I/σ(I): 14.9 |
Reflection shell | Resolution: 1.94→2.06 Å / Redundancy: 9.2 % / Mean I/σ(I) obs: 3.5 / Num. unique all: 6859 / Rsym value: 0.627 / % possible all: 90.1 |
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Processing
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Refinement | Method to determine structure: ![]() Starting model: PDB ENTRY 2PNZ Resolution: 1.94→20 Å / Cor.coef. Fo:Fc: 0.956 / Cor.coef. Fo:Fc free: 0.927 / SU B: 9.473 / SU ML: 0.122 / Isotropic thermal model: ISOTROPIC / Cross valid method: THROUGHOUT / σ(F): 1 / σ(I): 1 / ESU R: 0.151 / ESU R Free: 0.152 / Stereochemistry target values: MAXIMUM LIKELIHOOD / Details: HYDROGENS HAVE BEEN 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: MASK | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Displacement parameters | Biso mean: 29.413 Å2
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Refinement step | Cycle: LAST / Resolution: 1.94→20 Å
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Refine LS restraints |
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LS refinement shell | Resolution: 1.94→1.99 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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