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Yorodumi- PDB-1k54: OXA-10 class D beta-lactamase partially acylated with reacted 6be... -
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Open data
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Basic information
| Entry | Database: PDB / ID: 1k54 | ||||||
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| Title | OXA-10 class D beta-lactamase partially acylated with reacted 6beta-(1-hydroxy-1-methylethyl) penicillanic acid | ||||||
Components | (Beta lactamase OXA- ...) x 2 | ||||||
Keywords | HYDROLASE / beta-lactamase / antibiotic resistance / carbamylation | ||||||
| Function / homology | Function and homology informationpenicillin binding / antibiotic catabolic process / cell wall organization / beta-lactamase activity / beta-lactamase / periplasmic space / response to antibiotic / plasma membrane Similarity search - Function | ||||||
| Biological species | ![]() | ||||||
| Method | X-RAY DIFFRACTION / SYNCHROTRON / FOURIER SYNTHESIS / Resolution: 1.7 Å | ||||||
Authors | Golemi, D. / Maveyraud, L. / Vakulenko, S. / Samama, J.P. / Mobashery, S. | ||||||
Citation | Journal: Proc.Natl.Acad.Sci.USA / Year: 2001Title: Critical involvement of a carbamylated lysine in catalytic function of class D beta-lactamases. Authors: Golemi, D. / Maveyraud, L. / Vakulenko, S. / Samama, J.P. / Mobashery, S. #1: Journal: Structure / Year: 2000Title: Insights into class D beta-lactamases are revealed by the crystal structure of the OXA10 enzyme from Pseudomonas aeruginosa Authors: Maveyraud, L. / Golemi, D. / Kotra, L.P. / Tranier, S. / Vakulenko, S. / Mobashery, S. / Samama, J.P. #2: Journal: J.Am.Chem.Soc. / Year: 2000Title: The first structural and mechanistic insights for class D beta-lactamases: evidence for a novel catalytic process for turnover of beta-lactam antibiotic Authors: Golemi, D. / Maveyraud, L. / Vakulenko, S. / Tranier, S. / Ishiwata, A. / Kotra, L.P. / Samama, J.P. / Mobashery, S. | ||||||
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Structure visualization
| Structure viewer | Molecule: Molmil Jmol/JSmol |
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Downloads & links
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Download
| PDBx/mmCIF format | 1k54.cif.gz | 403 KB | Display | PDBx/mmCIF format |
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| PDB format | pdb1k54.ent.gz | 327.3 KB | Display | PDB format |
| PDBx/mmJSON format | 1k54.json.gz | Tree view | PDBx/mmJSON format | |
| Others | Other downloads |
-Validation report
| Summary document | 1k54_validation.pdf.gz | 1.1 MB | Display | wwPDB validaton report |
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| Full document | 1k54_full_validation.pdf.gz | 1.1 MB | Display | |
| Data in XML | 1k54_validation.xml.gz | 53.6 KB | Display | |
| Data in CIF | 1k54_validation.cif.gz | 72.3 KB | Display | |
| Arichive directory | https://data.pdbj.org/pub/pdb/validation_reports/k5/1k54 ftp://data.pdbj.org/pub/pdb/validation_reports/k5/1k54 | HTTPS FTP |
-Related structure data
| Related structure data | ![]() 1k55C ![]() 1k56C ![]() 1k57C ![]() 1e4dS 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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| 1 | ![]()
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| 2 | ![]()
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| Unit cell |
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| Details | the biological assembly is a dimer. There are two dimers in the asymmetric unit : chains A and C form a dimer chains B and D form a dimer |
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Components
-Beta lactamase OXA- ... , 2 types, 4 molecules ABCD
| #1: Protein | Mass: 27567.293 Da / Num. of mol.: 2 Source method: isolated from a genetically manipulated source Details: Residue 70 is KCX, carbamylated lysine. Acylated at SER 67. Source: (gene. exp.) ![]() ![]() #2: Protein | Mass: 27524.291 Da / Num. of mol.: 2 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() |
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-Non-polymers , 4 types, 846 molecules 






| #3: Chemical | ChemComp-SO4 / #4: Chemical | #5: Chemical | ChemComp-EDO / #6: Water | ChemComp-HOH / | |
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-Details
| Has protein modification | Y |
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-Experimental details
-Experiment
| Experiment | Method: X-RAY DIFFRACTION / Number of used crystals: 1 |
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Sample preparation
| Crystal | Density Matthews: 2.53 Å3/Da / Density % sol: 51.41 % | ||||||||||||||||||||||||||||||
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| Crystal grow | Temperature: 277 K / Method: vapor diffusion, hanging drop / pH: 7.5 Details: ammonium sulafate, HEPES, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 277K | ||||||||||||||||||||||||||||||
| Crystal grow | *PLUS Temperature: 4 ℃ / pH: 7.8 | ||||||||||||||||||||||||||||||
| Components of the solutions | *PLUS
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-Data collection
| Diffraction | Mean temperature: 100 K |
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| Diffraction source | Source: SYNCHROTRON / Site: ESRF / Beamline: ID14-2 / Wavelength: 0.933 Å |
| Detector | Type: ADSC QUANTUM 4 / Detector: CCD / Date: Jun 27, 2000 |
| Radiation | Monochromator: diamond [111] / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
| Radiation wavelength | Wavelength: 0.933 Å / Relative weight: 1 |
| Reflection | Resolution: 1.7→44.77 Å / Num. all: 119631 / Num. obs: 119631 / % possible obs: 99.1 % / Observed criterion σ(F): 0 / Observed criterion σ(I): 0 / Redundancy: 3.6 % / Biso Wilson estimate: 20.115 Å2 / Rmerge(I) obs: 0.064 / Rsym value: 0.064 / Net I/σ(I): 12.9 |
| Reflection shell | Resolution: 1.7→1.79 Å / Redundancy: 2.8 % / Rmerge(I) obs: 0.289 / Mean I/σ(I) obs: 3.2 / Num. unique all: 16474 / Rsym value: 0.289 / % possible all: 93.8 |
| Reflection | *PLUS Num. measured all: 432971 |
| Reflection shell | *PLUS % possible obs: 93.8 % / Num. unique obs: 16474 / Num. measured obs: 45364 |
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Processing
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| Refinement | Method to determine structure: FOURIER SYNTHESISStarting model: pdb entry 1e4d Resolution: 1.7→44.77 Å / Cross valid method: THROUGHOUT / σ(F): 0 / Stereochemistry target values: engh & huber
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| Displacement parameters | Biso mean: 16.799 Å2
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| Refinement step | Cycle: LAST / Resolution: 1.7→44.77 Å
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| Refine LS restraints |
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| LS refinement shell | Highest resolution: 1.7 Å / Rfactor Rfree: 0.277 / Rfactor Rwork: 0.225 / Total num. of bins used: 20 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Software | *PLUS Name: REFMAC / Version: 5 / Classification: refinement | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Refinement | *PLUS σ(F): 0 / % reflection Rfree: 1.5 % / Rfactor obs: 0.17688 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Solvent computation | *PLUS | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Displacement parameters | *PLUS | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Refine LS restraints | *PLUS
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