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- PDB-1yoe: Crystal structure of a the E. coli pyrimidine nucleoside hydrolas... -
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Open data
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Basic information
Entry | Database: PDB / ID: 1yoe | |||||||||
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Title | Crystal structure of a the E. coli pyrimidine nucleoside hydrolase YbeK with bound ribose | |||||||||
![]() | Hypothetical protein ybeK | |||||||||
![]() | HYDROLASE / Pyrimidine nucleoside hydrolase / bacterial nucleosidase / ribose / enzyme-product complex | |||||||||
Function / homology | ![]() ribosylpyrimidine nucleosidase activity / pyrimidine ribonucleoside catabolic process / Hydrolases; Glycosylases / uridine nucleosidase activity / purine nucleosidase activity / pyrimidine nucleobase metabolic process / nucleobase-containing small molecule interconversion / purine nucleoside catabolic process / protein homotetramerization / calcium ion binding ...ribosylpyrimidine nucleosidase activity / pyrimidine ribonucleoside catabolic process / Hydrolases; Glycosylases / uridine nucleosidase activity / purine nucleosidase activity / pyrimidine nucleobase metabolic process / nucleobase-containing small molecule interconversion / purine nucleoside catabolic process / protein homotetramerization / calcium ion binding / protein-containing complex / identical protein binding / cytosol Similarity search - Function | |||||||||
Biological species | ![]() ![]() | |||||||||
Method | ![]() ![]() ![]() | |||||||||
![]() | Muzzolini, L. / Versees, W. / Steyaert, J. / Degano, M. | |||||||||
![]() | ![]() Title: Crystal structure of the E. coli pyrimidine nucleoside hydrolase YbeK with bound ribose Authors: Muzzolini, L. / Versees, W. / Steyaert, J. / Degano, M. #1: ![]() Title: Crystal structure to 1.7 a of the Escherichia coli pyrimidine nucleoside hydrolase YeiK, a novel candidate for cancer gene therapy Authors: Giabbai, B. / Degano, M. #2: ![]() Title: Structure and function of a novel purine specific nucleoside hydrolase from Trypanosoma vivax Authors: Versees, W. / Decanniere, K. / Pelle, R. / Depoorter, J. / Brosens, E. / Parkin, D.W. / Steyaert, J. #3: ![]() Title: Trypanosomal nucleoside hydrolase. A novel mechanism from the structure with a transition-state inhibitor Authors: Degano, M. / Almo, S.C. / Sacchettini, J.C. / Schramm, V.L. | |||||||||
History |
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Structure visualization
Structure viewer | Molecule: ![]() ![]() |
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Downloads & links
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Download
PDBx/mmCIF format | ![]() | 80 KB | Display | ![]() |
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PDB format | ![]() | 56.9 KB | Display | ![]() |
PDBx/mmJSON format | ![]() | Tree view | ![]() | |
Others | ![]() |
-Validation report
Summary document | ![]() | 449 KB | Display | ![]() |
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Full document | ![]() | 449.9 KB | Display | |
Data in XML | ![]() | 14.7 KB | Display | |
Data in CIF | ![]() | 21.8 KB | Display | |
Arichive directory | ![]() ![]() | HTTPS FTP |
-Related structure data
Related structure data | ![]() 1q8fS 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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3 | ![]()
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4 | ![]()
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Unit cell |
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Components
#1: Protein | Mass: 35128.105 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() ![]() ![]() |
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#2: Sugar | ChemComp-RIB / |
#3: Chemical | ChemComp-CA / |
#4: Water | ChemComp-HOH / |
-Experimental details
-Experiment
Experiment | Method: ![]() |
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Sample preparation
Crystal | Density Matthews: 2.6 Å3/Da / Density % sol: 51.9 % |
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Crystal grow | Temperature: 298 K / Method: vapor diffusion, hanging drop / pH: 5 Details: MPD, Sodium Acetate, ribose, pH 5, VAPOR DIFFUSION, HANGING DROP, temperature 298K |
-Data collection
Diffraction | Mean temperature: 100 K |
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Diffraction source | Source: ![]() ![]() ![]() |
Detector | Type: ADSC QUANTUM 4 / Detector: CCD |
Radiation | Monochromator: Mirrors / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength: 0.933 Å / Relative weight: 1 |
Reflection | Resolution: 1.78→25 Å / Num. all: 34056 / Num. obs: 34056 / % possible obs: 97.8 % / Observed criterion σ(F): -3 / Observed criterion σ(I): -3 / Redundancy: 12.5 % / Biso Wilson estimate: 18 Å2 / Rsym value: 0.116 / Net I/σ(I): 26.2 |
Reflection shell | Resolution: 1.78→1.86 Å / Mean I/σ(I) obs: 2.9 / Num. unique all: 2669 / Rsym value: 0.475 / % possible all: 77.4 |
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Processing
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Refinement | Method to determine structure: ![]() Starting model: YeiK PDB code 1Q8F Resolution: 1.78→25 Å / Cor.coef. Fo:Fc: 0.954 / Cor.coef. Fo:Fc free: 0.947 / SU B: 1.818 / SU ML: 0.058 / TLS residual ADP flag: LIKELY RESIDUAL / Isotropic thermal model: Individual + TLS / Cross valid method: THROUGHOUT / σ(F): 0 / ESU R: 0.102 / ESU R Free: 0.098 / Stereochemistry target values: MAXIMUM LIKELIHOOD
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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: 17.623 Å2
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Refine analyze |
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Refinement step | Cycle: LAST / Resolution: 1.78→25 Å
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Refine LS restraints |
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LS refinement shell | Resolution: 1.785→1.831 Å / Total num. of bins used: 20
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Refinement TLS params. | Method: refined / Origin x: -4.433 Å / Origin y: 20.7639 Å / Origin z: 36.7434 Å
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