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Yorodumi- PDB-4wkc: Crystal structure of Escherichia coli 5'-methylthioadenosine/S-ad... -
+Open data
-Basic information
Entry | Database: PDB / ID: 4wkc | ||||||
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Title | Crystal structure of Escherichia coli 5'-methylthioadenosine/S-adenosyl homocysteine nucleosidase (MTAN) complexed with butylthio-DADMe-Immucillin-A | ||||||
Components | 5'-methylthioadenosine/S-adenosylhomocysteine nucleosidase | ||||||
Keywords | hydrolase/hydrolase inhibitor / hydrolase / hydrolase-hydrolase inhibitor complex | ||||||
Function / homology | Function and homology information purine deoxyribonucleoside catabolic process / adenosylhomocysteine nucleosidase / adenosylhomocysteine nucleosidase activity / methylthioadenosine nucleosidase activity / L-methionine salvage from S-adenosylmethionine / L-methionine salvage from methylthioadenosine Similarity search - Function | ||||||
Biological species | Escherichia coli O139:H28 (bacteria) | ||||||
Method | X-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 1.64 Å | ||||||
Authors | Cameron, S.A. / Thomas, K. / Almo, S.C. / Schramm, V.L. | ||||||
Funding support | United States, 1items
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Citation | Journal: Biochemistry / Year: 2015 Title: Active site and remote contributions to catalysis in methylthioadenosine nucleosidases. Authors: Thomas, K. / Cameron, S.A. / Almo, S.C. / Burgos, E.S. / Gulab, S.A. / Schramm, V.L. #1: Journal: J. Biol. Chem. / Year: 2005 Title: Structural rationale for the affinity of pico- and femtomolar transition state analogues of Escherichia coli 5'-methylthioadenosine/S-adenosylhomocysteine nucleosidase. Authors: Lee, J.E. / Singh, V. / Evans, G.B. / Tyler, P.C. / Furneaux, R.H. / Cornell, K.A. / Riscoe, M.K. / Schramm, V.L. / Howell, P.L. | ||||||
History |
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-Structure visualization
Structure viewer | Molecule: MolmilJmol/JSmol |
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-Downloads & links
-Download
PDBx/mmCIF format | 4wkc.cif.gz | 64.3 KB | Display | PDBx/mmCIF format |
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PDB format | pdb4wkc.ent.gz | 44.3 KB | Display | PDB format |
PDBx/mmJSON format | 4wkc.json.gz | Tree view | PDBx/mmJSON format | |
Others | Other downloads |
-Validation report
Arichive directory | https://data.pdbj.org/pub/pdb/validation_reports/wk/4wkc ftp://data.pdbj.org/pub/pdb/validation_reports/wk/4wkc | HTTPS FTP |
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-Related structure data
Related structure data | 4wkbC 4x24C 1y6qS S: Starting model for refinement C: citing same article (ref.) |
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Similar structure data |
-Links
-Assembly
Deposited unit |
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1 |
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Unit cell |
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Components on special symmetry positions |
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-Components
#1: Protein | Mass: 26058.705 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Escherichia coli O139:H28 (bacteria) / Strain: E24377A / ETEC / Gene: mtnN, EcE24377A_0164 / Plasmid: pDEST14 / Production host: Escherichia coli (E. coli) / Strain (production host): BL21(DE3) References: UniProt: A7ZHQ1, adenosylhomocysteine nucleosidase |
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#2: Chemical | ChemComp-BIG / ( |
#3: Chemical | ChemComp-PG4 / |
#4: Water | ChemComp-HOH / |
-Experimental details
-Experiment
Experiment | Method: X-RAY DIFFRACTION / Number of used crystals: 1 |
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-Sample preparation
Crystal | Density Matthews: 2.21 Å3/Da / Density % sol: 44.37 % |
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Crystal grow | Temperature: 295 K / Method: vapor diffusion, sitting drop / pH: 5.5 Details: Protein (10 mg/mL); Reservoir (0.2M ammonium acetate, 0.1M BIS-TRIS pH5.5 and 25% PEG 3350); Cryoprotection (20% (v/v) glycerol) |
-Data collection
Diffraction | Mean temperature: 100 K | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Diffraction source | Source: SYNCHROTRON / Site: NSLS / Beamline: X29A / Wavelength: 1.075 Å | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Detector | Type: ADSC QUANTUM 315r / Detector: CCD / Date: Aug 21, 2014 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Radiation | Monochromator: Double silicon(111) crystal / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Radiation wavelength | Wavelength: 1.075 Å / Relative weight: 1 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Reflection | Resolution: 1.64→50 Å / Num. obs: 28677 / % possible obs: 99.9 % / Redundancy: 11.5 % / Biso Wilson estimate: 13.5 Å2 / Rmerge(I) obs: 0.083 / Χ2: 1.33 / Net I/av σ(I): 32.918 / Net I/σ(I): 11.2 / Num. measured all: 330430 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Reflection shell | Diffraction-ID: 1 / Rejects: 0
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-Processing
Software |
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Refinement | Method to determine structure: MOLECULAR REPLACEMENT Starting model: 1Y6Q Resolution: 1.64→30 Å / Cor.coef. Fo:Fc: 0.968 / Cor.coef. Fo:Fc free: 0.958 / WRfactor Rfree: 0.1838 / WRfactor Rwork: 0.158 / FOM work R set: 0.8886 / SU B: 1.476 / SU ML: 0.051 / SU R Cruickshank DPI: 0.0837 / SU Rfree: 0.0825 / Cross valid method: THROUGHOUT / σ(F): 0 / ESU R: 0.084 / ESU R Free: 0.083 / SU Rfree Cruickshank DPI: 0.0825 / Stereochemistry target values: MAXIMUM LIKELIHOOD Details: HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS U VALUES : REFINED INDIVIDUALLY
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Solvent computation | Ion probe radii: 0.8 Å / Shrinkage radii: 0.8 Å / VDW probe radii: 1.2 Å / Solvent model: MASK | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Displacement parameters | Biso max: 48.03 Å2 / Biso mean: 18.061 Å2 / Biso min: 9.25 Å2
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Refinement step | Cycle: final / Resolution: 1.64→30 Å
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Refine LS restraints |
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LS refinement shell | Resolution: 1.64→1.682 Å / Total num. of bins used: 20
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