+Open data
-Basic information
Entry | Database: PDB / ID: 4cxt | ||||||
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Title | BTB domain of KEAP1 in complex with CDDO | ||||||
Components | KELCH-LIKE ECH-ASSOCIATED PROTEIN 1 | ||||||
Keywords | SIGNALING PROTEIN / BTB DOMAIN / KEAP1 | ||||||
Function / homology | Function and homology information negative regulation of response to oxidative stress / regulation of epidermal cell differentiation / Nuclear events mediated by NFE2L2 / Cul3-RING ubiquitin ligase complex / centriolar satellite / ubiquitin-like ligase-substrate adaptor activity / cellular response to interleukin-4 / inclusion body / regulation of autophagy / actin filament ...negative regulation of response to oxidative stress / regulation of epidermal cell differentiation / Nuclear events mediated by NFE2L2 / Cul3-RING ubiquitin ligase complex / centriolar satellite / ubiquitin-like ligase-substrate adaptor activity / cellular response to interleukin-4 / inclusion body / regulation of autophagy / actin filament / negative regulation of DNA-binding transcription factor activity / KEAP1-NFE2L2 pathway / disordered domain specific binding / positive regulation of proteasomal ubiquitin-dependent protein catabolic process / Antigen processing: Ubiquitination & Proteasome degradation / Neddylation / cellular response to oxidative stress / midbody / ubiquitin-dependent protein catabolic process / in utero embryonic development / RNA polymerase II-specific DNA-binding transcription factor binding / Potential therapeutics for SARS / Ub-specific processing proteases / protein ubiquitination / endoplasmic reticulum / nucleoplasm / identical protein binding / cytosol / cytoplasm Similarity search - Function | ||||||
Biological species | HOMO SAPIENS (human) | ||||||
Method | X-RAY DIFFRACTION / SYNCHROTRON / OTHER / Resolution: 2.66 Å | ||||||
Authors | Cleasby, A. / Yon, J. / Day, P.J. / Richardson, C. / Tickle, I.J. / Williams, P.A. / Callahan, J.F. / Carr, R. / Concha, N. / Kerns, J.K. ...Cleasby, A. / Yon, J. / Day, P.J. / Richardson, C. / Tickle, I.J. / Williams, P.A. / Callahan, J.F. / Carr, R. / Concha, N. / Kerns, J.K. / Qi, H. / Sweitzer, T. / Ward, P. / Davies, T.G. | ||||||
Citation | Journal: Plos One / Year: 2014 Title: Structure of the Btb Domain of Keap1 and its Interaction with the Triterpenoid Antagonist Cddo. Authors: Cleasby, A. / Yon, J. / Day, P.J. / Richardson, C. / Tickle, I.J. / Williams, P.A. / Callahan, J.F. / Carr, R. / Concha, N. / Kerns, J.K. / Qi, H. / Sweitzer, T. / Ward, P. / Davies, T.G. | ||||||
History |
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-Structure visualization
Structure viewer | Molecule: MolmilJmol/JSmol |
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-Downloads & links
-Download
PDBx/mmCIF format | 4cxt.cif.gz | 64.2 KB | Display | PDBx/mmCIF format |
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PDB format | pdb4cxt.ent.gz | 52.2 KB | Display | PDB format |
PDBx/mmJSON format | 4cxt.json.gz | Tree view | PDBx/mmJSON format | |
Others | Other downloads |
-Validation report
Arichive directory | https://data.pdbj.org/pub/pdb/validation_reports/cx/4cxt ftp://data.pdbj.org/pub/pdb/validation_reports/cx/4cxt | HTTPS FTP |
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-Related 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: 15293.651 Da / Num. of mol.: 1 / Fragment: BTB, RESIDUES 48-180 / Mutation: YES Source method: isolated from a genetically manipulated source Source: (gene. exp.) HOMO SAPIENS (human) / Production host: ESCHERICHIA COLI (E. coli) / Strain (production host): BL21(DE3) / References: UniProt: Q14145 |
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#2: Chemical | ChemComp-SXJ / ( |
#3: 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: 2.26 Å3/Da / Density % sol: 45 % / Description: NONE |
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-Data collection
Diffraction | Mean temperature: 100 K |
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Diffraction source | Source: SYNCHROTRON / Site: ESRF / Beamline: ID29 / Wavelength: 0.97625 |
Detector | Type: DECTRIS PILATUS 6M / Detector: PIXEL / Date: Nov 5, 2012 |
Radiation | Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength: 0.97625 Å / Relative weight: 1 |
Reflection | Resolution: 2.66→45.17 Å / Num. obs: 4283 / % possible obs: 100 % / Observed criterion σ(I): 0 / Redundancy: 17.4 % / Biso Wilson estimate: 82.41 Å2 / Rmerge(I) obs: 0.13 / Net I/σ(I): 14.5 |
-Processing
Software |
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Refinement | Method to determine structure: OTHER Starting model: NONE Resolution: 2.66→45.17 Å / Cor.coef. Fo:Fc: 0.9386 / Cor.coef. Fo:Fc free: 0.9408 / SU R Cruickshank DPI: 1.057 / Cross valid method: THROUGHOUT / σ(F): 0 / SU Rfree Blow DPI: 0.322 / SU Rfree Cruickshank DPI: 0.302
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Displacement parameters | Biso mean: 82.604 Å2
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Refine analyze | Luzzati coordinate error obs: 0.478 Å | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Refinement step | Cycle: LAST / Resolution: 2.66→45.17 Å
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Refine LS restraints |
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LS refinement shell | Resolution: 2.66→2.97 Å / Total num. of bins used: 5
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Refinement TLS params. | Method: refined / Origin x: 7.8996 Å / Origin y: -10.0312 Å / Origin z: -15.5259 Å
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Refinement TLS group | Selection details: CHAIN A AND RESIDUES 49-179 |