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Open data
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Basic information
Entry | Database: PDB / ID: 1o0n | ||||||
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Title | Ribonuclease A in complex with uridine-3'-phosphate | ||||||
![]() | Ribonuclease pancreatic | ||||||
![]() | HYDROLASE / Ribonuclease | ||||||
Function / homology | ![]() pancreatic ribonuclease / ribonuclease A activity / RNA nuclease activity / nucleic acid binding / defense response to Gram-positive bacterium / lyase activity / extracellular region Similarity search - Function | ||||||
Biological species | ![]() ![]() | ||||||
Method | ![]() ![]() | ||||||
![]() | Leonidas, D.D. / Oikonomakos, N.G. / Chrysina, E.D. / Kosmopoulou, M.N. / Vlassi, M. | ||||||
![]() | ![]() Title: High-resolution crystal structures of ribonuclease A complexed with adenylic and uridylic nucleotide inhibitors. Implications for structure-based design of ribonucleolytic inhibitors Authors: Leonidas, D.D. / Chavali, G.B. / Oikonomakos, N.G. / Chrysina, E.D. / Kosmopoulou, M.N. / Vlassi, M. / Frankling, C. / Acharya, K.R. | ||||||
History |
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Structure visualization
Structure viewer | Molecule: ![]() ![]() |
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Downloads & links
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Download
PDBx/mmCIF format | ![]() | 71.2 KB | Display | ![]() |
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PDB format | ![]() | 52.1 KB | Display | ![]() |
PDBx/mmJSON format | ![]() | Tree view | ![]() | |
Others | ![]() |
-Validation report
Arichive directory | ![]() ![]() | HTTPS FTP |
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-Related structure data
Related structure data | ![]() 1o0fC ![]() 1o0hC ![]() 1o0mC ![]() 1o0oC ![]() 1afuS C: citing same article ( 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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1 | ![]()
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2 | ![]()
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Unit cell |
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Components on special symmetry positions |
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Components
#1: Protein | Mass: 13708.326 Da / Num. of mol.: 2 / Source method: isolated from a natural source / Source: (natural) ![]() ![]() #2: Chemical | #3: Water | ChemComp-HOH / | Has protein modification | Y | |
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-Experimental details
-Experiment
Experiment | Method: ![]() |
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Sample preparation
Crystal | Density Matthews: 1.8 Å3/Da / Density % sol: 31.3 % | ||||||||||||||||||||||||||||||||||||
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Crystal grow | Temperature: 289 K / Method: vapor diffusion, hanging drop / pH: 5.5 Details: 20mM SODIUM CITRATE BUFFER, 20% PEG 4000, pH 5.5, VAPOR DIFFUSION, HANGING DROP, temperature 289K | ||||||||||||||||||||||||||||||||||||
Crystal grow | *PLUS Temperature: 16 ℃ / Method: vapor diffusion, hanging drop / Details: Leonidas, D.D., (1997) Biochemistry, 36, 5578. | ||||||||||||||||||||||||||||||||||||
Components of the solutions | *PLUS
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-Data collection
Diffraction | Mean temperature: 100 K |
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Diffraction source | Source: ![]() |
Detector | Type: RIGAKU RAXIS IV / Detector: IMAGE PLATE / Date: Apr 17, 2000 / Details: mirrors |
Radiation | Monochromator: YALE MIRRORS / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength: 1.5418 Å / Relative weight: 1 |
Reflection | Resolution: 1.5→30 Å / Num. all: 37930 / Num. obs: 37930 / % possible obs: 99.4 % / Observed criterion σ(F): 0.01 / Observed criterion σ(I): -3 / Redundancy: 6.3 % / Biso Wilson estimate: 22.6 Å2 / Rsym value: 0.061 / Net I/σ(I): 15.4 |
Reflection shell | Resolution: 1.5→1.55 Å / Num. unique all: 3746 / Rsym value: 0.294 / % possible all: 99.6 |
Reflection | *PLUS Num. measured all: 239794 / Rmerge(I) obs: 0.061 |
Reflection shell | *PLUS Highest resolution: 1.5 Å / % possible obs: 99.6 % / Rmerge(I) obs: 0.294 / Mean I/σ(I) obs: 2.6 |
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Processing
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Refinement | Method to determine structure: ![]() Starting model: PDB ENTRY 1AFU Resolution: 1.5→23.59 Å / Rfactor Rfree error: 0.006 / Data cutoff high absF: 952158.67 / Data cutoff low absF: 0 / Isotropic thermal model: RESTRAINED / Cross valid method: THROUGHOUT / σ(F): 0.001 / Stereochemistry target values: Engh & Huber
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Solvent computation | Solvent model: FLAT MODEL / Bsol: 39.9596 Å2 / ksol: 0.364097 e/Å3 | ||||||||||||||||||||||||||||||||||||
Displacement parameters | Biso mean: 21.6 Å2
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Refine analyze |
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Refinement step | Cycle: LAST / Resolution: 1.5→23.59 Å
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Refine LS restraints |
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LS refinement shell | Resolution: 1.5→1.59 Å / Rfactor Rfree error: 0.023 / Total num. of bins used: 6
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Xplor file |
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Refinement | *PLUS Highest resolution: 1.5 Å / % reflection Rfree: 5 % / Rfactor Rfree: 0.24 / Rfactor Rwork: 0.22 | ||||||||||||||||||||||||||||||||||||
Solvent computation | *PLUS | ||||||||||||||||||||||||||||||||||||
Displacement parameters | *PLUS | ||||||||||||||||||||||||||||||||||||
Refine LS restraints | *PLUS
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LS refinement shell | *PLUS Lowest resolution: 1.55 Å |