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- PDB-3rit: Crystal structure of Dipeptide Epimerase from Methylococcus capsu... -
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Open data
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Basic information
Entry | Database: PDB / ID: 3rit | ||||||
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Title | Crystal structure of Dipeptide Epimerase from Methylococcus capsulatus complexed with Mg and dipeptide L-Arg-D-Lys | ||||||
![]() | Dipeptide epimerase | ||||||
![]() | ISOMERASE / TIM barrel / chloromuconate cycloisomerase | ||||||
Function / homology | ![]() catechol-containing compound catabolic process / chloromuconate cycloisomerase activity / racemase and epimerase activity / racemase and epimerase activity, acting on amino acids and derivatives / Isomerases; Racemases and epimerases; Acting on amino acids and derivatives / peptide metabolic process / amino acid catabolic process / magnesium ion binding Similarity search - Function | ||||||
Biological species | ![]() | ||||||
Method | ![]() ![]() ![]() | ||||||
![]() | Lukk, T. / Sakai, A. / Song, L. / Gerlt, J.A. / Nair, S.K. | ||||||
![]() | ![]() Title: Homology models guide discovery of diverse enzyme specificities among dipeptide epimerases in the enolase superfamily. Authors: Lukk, T. / Sakai, A. / Kalyanaraman, C. / Brown, S.D. / Imker, H.J. / Song, L. / Fedorov, A.A. / Fedorov, E.V. / Toro, R. / Hillerich, B. / Seidel, R. / Patskovsky, Y. / Vetting, M.W. / ...Authors: Lukk, T. / Sakai, A. / Kalyanaraman, C. / Brown, S.D. / Imker, H.J. / Song, L. / Fedorov, A.A. / Fedorov, E.V. / Toro, R. / Hillerich, B. / Seidel, R. / Patskovsky, Y. / Vetting, M.W. / Nair, S.K. / Babbitt, P.C. / Almo, S.C. / Gerlt, J.A. / Jacobson, M.P. | ||||||
History |
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Structure visualization
Structure viewer | Molecule: ![]() ![]() |
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Downloads & links
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Download
PDBx/mmCIF format | ![]() | 361.8 KB | Display | ![]() |
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PDB format | ![]() | 294 KB | Display | ![]() |
PDBx/mmJSON format | ![]() | Tree view | ![]() | |
Others | ![]() |
-Validation report
Summary document | ![]() | 525.6 KB | Display | ![]() |
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Full document | ![]() | 561.2 KB | Display | |
Data in XML | ![]() | 72.5 KB | Display | |
Data in CIF | ![]() | 97.6 KB | Display | |
Arichive directory | ![]() ![]() | HTTPS FTP |
-Related structure data
Related structure data | ![]() 3ijiC ![]() 3ijlC ![]() 3ijqC ![]() 3ik4C ![]() 3jvaC ![]() 3jw7C ![]() 3jzuC ![]() 3k1gC ![]() 3kumC ![]() 3q45C ![]() 3q4dC ![]() 3r0kC ![]() 3r0uC ![]() 3r10C ![]() 3r11C ![]() 3r1zC ![]() 3ro6C 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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1 | ![]()
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2 | ![]()
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3 | ![]()
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Unit cell |
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Components on special symmetry positions |
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Details | THE AUTHOR STATES THAT THE BIOLOGICAL UNIT OF THIS PROTEIN IS UNKNOWN. |
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Components
-Protein , 1 types, 5 molecules ABCDE
#1: Protein | Mass: 39092.113 Da / Num. of mol.: 5 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() ![]() |
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-Non-polymers , 6 types, 599 molecules ![](data/chem/img/SO4.gif)
![](data/chem/img/ARG.gif)
![](data/chem/img/DLY.gif)
![](data/chem/img/MG.gif)
![](data/chem/img/1PE.gif)
![](data/chem/img/HOH.gif)
![](data/chem/img/ARG.gif)
![](data/chem/img/DLY.gif)
![](data/chem/img/MG.gif)
![](data/chem/img/1PE.gif)
![](data/chem/img/HOH.gif)
#2: Chemical | ChemComp-SO4 / #3: Chemical | ChemComp-ARG / #4: Chemical | ChemComp-DLY / #5: Chemical | ChemComp-MG / #6: Chemical | ChemComp-1PE / #7: Water | ChemComp-HOH / | |
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-Experimental details
-Experiment
Experiment | Method: ![]() |
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Sample preparation
Crystal | Density Matthews: 4.45 Å3/Da / Density % sol: 72.35 % |
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Crystal grow | Temperature: 277 K / Method: vapor diffusion, hanging drop / pH: 8.5 Details: Precipitant contained 25% PEG 3350, 0.1M Tris-HCl, and 0.2M Li2SO4. Protein solution contained 0.1M KCl, 0.05M HEPES (pH 8.0), 0.02M L-Arg-L-Lys, and 0.01M MgCl2. Protein concentration was ...Details: Precipitant contained 25% PEG 3350, 0.1M Tris-HCl, and 0.2M Li2SO4. Protein solution contained 0.1M KCl, 0.05M HEPES (pH 8.0), 0.02M L-Arg-L-Lys, and 0.01M MgCl2. Protein concentration was 12 mg/mL, pH 8.5, VAPOR DIFFUSION, HANGING DROP, temperature 277K |
-Data collection
Diffraction | Mean temperature: 100 K | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Diffraction source | Source: ![]() ![]() ![]() | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Detector | Type: RAYONIX MX-300 / Detector: CCD / Date: Mar 18, 2010 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Radiation | Monochromator: C(111) / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Radiation wavelength | Wavelength: 0.9786 Å / Relative weight: 1 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Reflection | Resolution: 2.7→19.87 Å / Num. all: 94589 / Num. obs: 94319 / % possible obs: 99.7 % / Observed criterion σ(F): 0 / Observed criterion σ(I): 0 / Redundancy: 21.5 % / Biso Wilson estimate: 52.4 Å2 / Rmerge(I) obs: 0.154 / Net I/σ(I): 12.84 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Reflection shell |
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Processing
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Refinement | Method to determine structure: ![]()
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Solvent computation | Shrinkage radii: 0.83 Å / VDW probe radii: 1.1 Å / Solvent model: FLAT BULK SOLVENT MODEL / Bsol: 19.947 Å2 / ksol: 0.31 e/Å3 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Displacement parameters |
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Refinement step | Cycle: LAST / Resolution: 2.701→19.87 Å
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Refine LS restraints |
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LS refinement shell |
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