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Yorodumi- PDB-1jkx: Unexpected formation of an epoxide-derived multisubstrate adduct ... -
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Open data
- Basic information
Basic information
| Entry | Database: PDB / ID: 1jkx | ||||||
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| Title | Unexpected formation of an epoxide-derived multisubstrate adduct inhibitor on the active site of GAR transformylase | ||||||
|  Components | PHOSPHORIBOSYLGLYCINAMIDE FORMYLTRANSFERASE | ||||||
|  Keywords | TRANSFERASE / PURINE BIOSYNTHESIS / ANTI-CANCER AGENT / ENZYME-ASSEMBLED MULTISUBSTRATE ADDUCT INHIBITOR COMPLEX | ||||||
| Function / homology |  Function and homology information phosphoribosylglycinamide formyltransferase 1 / phosphoribosylglycinamide formyltransferase activity / 'de novo' IMP biosynthetic process / DNA damage response / cytoplasm / cytosol Similarity search - Function | ||||||
| Biological species |   Escherichia coli (E. coli) | ||||||
| Method |  X-RAY DIFFRACTION /  SYNCHROTRON /  MOLECULAR REPLACEMENT / Resolution: 1.6 Å | ||||||
|  Authors | Greasley, S.E. / Marsilje, T.H. / Cai, H. / Baker, S. / Benkovic, S.J. / Boger, D.L. / Wilson, I.A. | ||||||
|  Citation |  Journal: Biochemistry / Year: 2001 Title: Unexpected formation of an epoxide-derived multisubstrate adduct inhibitor on the active site of GAR transformylase. Authors: Greasley, S.E. / Marsilje, T.H. / Cai, H. / Baker, S. / Benkovic, S.J. / Boger, D.L. / Wilson, I.A. #1:   Journal: Bioorg.Med.Chem. / Year: 1997 Title: Functionalized analogues of 5,8,10-trideazafolate: Development of an enzyme-assembled tight binding inhibitor of GAR Tfase and a potential irreversible inhibitor of AICAR Tfase Authors: Boger, D.L. / Haynes, N.-E. / Warren, M.S. / Ramcharan, J. / Kitos, P.A. / Benkovic, S.J. | ||||||
| History | 
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- Structure visualization
Structure visualization
| Structure viewer | Molecule:  Molmil  Jmol/JSmol | 
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- Downloads & links
Downloads & links
- Download
Download
| PDBx/mmCIF format |  1jkx.cif.gz | 186.8 KB | Display |  PDBx/mmCIF format | 
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| PDB format |  pdb1jkx.ent.gz | 149.4 KB | Display |  PDB format | 
| PDBx/mmJSON format |  1jkx.json.gz | Tree view |  PDBx/mmJSON format | |
| Others |  Other downloads | 
-Validation report
| Summary document |  1jkx_validation.pdf.gz | 1.5 MB | Display |  wwPDB validaton report | 
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| Full document |  1jkx_full_validation.pdf.gz | 1.6 MB | Display | |
| Data in XML |  1jkx_validation.xml.gz | 42.2 KB | Display | |
| Data in CIF |  1jkx_validation.cif.gz | 57.7 KB | Display | |
| Arichive directory |  https://data.pdbj.org/pub/pdb/validation_reports/jk/1jkx  ftp://data.pdbj.org/pub/pdb/validation_reports/jk/1jkx | HTTPS FTP | 
-Related structure data
| Related structure data |  1c2tS S: Starting model for refinement | 
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| Similar structure data | 
- Links
Links
- Assembly
Assembly
| Deposited unit |  
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| 1 |  
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| 2 |  
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| Unit cell | 
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- Components
Components
| #1: Protein | Mass: 23266.254 Da / Num. of mol.: 4 / Fragment: TRANSFERASE Source method: isolated from a genetically manipulated source Source: (gene. exp.)   Escherichia coli (E. coli) / Gene: PURN / Plasmid: PJS167 / Production host:   Escherichia coli (E. coli) References: UniProt: P08179, phosphoribosylglycinamide formyltransferase 1 #2: Chemical | ChemComp-138 / #3: Water | ChemComp-HOH / |  | 
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-Experimental details
-Experiment
| Experiment | Method:  X-RAY DIFFRACTION / Number of used crystals: 1 | 
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- Sample preparation
Sample preparation
| Crystal | Density Matthews: 2.36 Å3/Da / Density % sol: 47.93 % | ||||||||||||||||||||||||||||||||||||||||||
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| Crystal grow | Temperature: 295 K / Method: vapor diffusion, sitting drop / pH: 7.4 Details: PEG 3350, CaCl2, MPD, imidazole malate, PH 7.4, VAPOR DIFFUSION, SITTING DROP at 295K | ||||||||||||||||||||||||||||||||||||||||||
| Crystal grow | *PLUSTemperature: 22 ℃ / Details: used macroseeding | ||||||||||||||||||||||||||||||||||||||||||
| Components of the solutions | *PLUS 
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-Data collection
| Diffraction | Mean temperature: 95 K | 
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| Diffraction source | Source:  SYNCHROTRON / Site:  SSRL  / Beamline: BL9-1 / Wavelength: 0.98 Å | 
| Detector | Type: MARRESEARCH / Detector: IMAGE PLATE / Date: Apr 12, 1998 / Details: MIRRORS | 
| Radiation | Monochromator: Flat mirror (vertical focusing); single crystal Si(311) bent monochromator (horizontal focusing) Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray | 
| Radiation wavelength | Wavelength: 0.98 Å / Relative weight: 1 | 
| Reflection | Resolution: 1.6→30 Å / Num. obs: 106828 / % possible obs: 94.4 % / Observed criterion σ(F): 0 / Observed criterion σ(I): -3 / Redundancy: 1.9 % / Biso Wilson estimate: 22.1 Å2 / Rmerge(I) obs: 0.05 / Net I/σ(I): 6.2 | 
| Reflection shell | Resolution: 1.6→1.64 Å / Redundancy: 1.5 % / Rmerge(I) obs: 0.325 / Mean I/σ(I) obs: 2.2 / Num. unique all: 6398 / % possible all: 76.4 | 
| Reflection | *PLUSRmerge(I) obs: 0.05 | 
| Reflection shell | *PLUS% possible obs: 76.4 % / Num. unique obs: 6398 | 
- Processing
Processing
| Software | 
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| Refinement | Method to determine structure:  MOLECULAR REPLACEMENT Starting model: PBD ENTRY 1C2T Resolution: 1.6→30 Å / Rfactor Rfree error: 0.002 / Data cutoff high absF: 809232.51 / Data cutoff low absF: 0 / Isotropic thermal model: RESTRAINED / Cross valid method: THROUGHOUT / σ(F): 0 / Stereochemistry target values: Engh & Huber 
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| Solvent computation | Solvent model: FLAT MODEL / Bsol: 38.1431 Å2 / ksol: 0.355482 e/Å3 | ||||||||||||||||||||||||||||||||||||||||
| Displacement parameters | Biso  mean: 23.8 Å2 
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| Refine analyze | 
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| Refinement step | Cycle: LAST / Resolution: 1.6→30 Å 
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| Refine LS restraints | 
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| LS refinement shell | Resolution: 1.6→1.7 Å / Rfactor Rfree error: 0.008  / Total num. of bins used: 6 
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| Xplor file | 
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| Software | *PLUSName: CNS / Version: 1  / Classification: refinement | ||||||||||||||||||||||||||||||||||||||||
| Refinement | *PLUSσ(F): 0  / % reflection Rfree: 10 % | ||||||||||||||||||||||||||||||||||||||||
| Solvent computation | *PLUS | ||||||||||||||||||||||||||||||||||||||||
| Displacement parameters | *PLUSBiso  mean: 23.8 Å2 | ||||||||||||||||||||||||||||||||||||||||
| Refine LS restraints | *PLUS 
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| LS refinement shell | *PLUSRfactor Rfree: 0.32  / % reflection Rfree: 10.1 % / Rfactor Rwork: 0.299 | 
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