+Open data
-Basic information
Entry | Database: PDB / ID: 6kn1 | ||||||
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Title | P20/P12 of caspase-11 mutant C254A | ||||||
Components | (Caspase-4) x 4 | ||||||
Keywords | IMMUNE SYSTEM / pyroptosis | ||||||
Function / homology | Function and homology information caspase-11 / non-canonical inflammasome complex / positive regulation of interleukin-18-mediated signaling pathway / Pyroptosis / pyroptotic cell death / non-canonical inflammasome complex assembly / detection of lipopolysaccharide / NLRP1 inflammasome complex / NOD1/2 Signaling Pathway / positive regulation of macrophage cytokine production ...caspase-11 / non-canonical inflammasome complex / positive regulation of interleukin-18-mediated signaling pathway / Pyroptosis / pyroptotic cell death / non-canonical inflammasome complex assembly / detection of lipopolysaccharide / NLRP1 inflammasome complex / NOD1/2 Signaling Pathway / positive regulation of macrophage cytokine production / positive regulation of NLRP3 inflammasome complex assembly / pyroptotic inflammatory response / protein autoprocessing / protein maturation / ectopic germ cell programmed cell death / positive regulation of interleukin-1 beta production / actin filament organization / lipopolysaccharide binding / positive regulation of inflammatory response / positive regulation of neuron apoptotic process / regulation of inflammatory response / scaffold protein binding / defense response to Gram-positive bacterium / defense response to bacterium / cysteine-type endopeptidase activity / innate immune response / neuronal cell body / lipid binding / endoplasmic reticulum membrane / protein-containing complex / mitochondrion / extracellular region / cytosol / cytoplasm Similarity search - Function | ||||||
Biological species | Mus musculus (house mouse) | ||||||
Method | X-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 1.9 Å | ||||||
Authors | Ding, J. / Sun, Q. | ||||||
Citation | Journal: Cell / Year: 2020 Title: Structural Mechanism for GSDMD Targeting by Autoprocessed Caspases in Pyroptosis. Authors: Wang, K. / Sun, Q. / Zhong, X. / Zeng, M. / Zeng, H. / Shi, X. / Li, Z. / Wang, Y. / Zhao, Q. / Shao, F. / Ding, J. | ||||||
History |
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-Structure visualization
Structure viewer | Molecule: MolmilJmol/JSmol |
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-Downloads & links
-Download
PDBx/mmCIF format | 6kn1.cif.gz | 118.8 KB | Display | PDBx/mmCIF format |
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PDB format | pdb6kn1.ent.gz | 88.9 KB | Display | PDB format |
PDBx/mmJSON format | 6kn1.json.gz | Tree view | PDBx/mmJSON format | |
Others | Other downloads |
-Validation report
Summary document | 6kn1_validation.pdf.gz | 449.6 KB | Display | wwPDB validaton report |
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Full document | 6kn1_full_validation.pdf.gz | 452.5 KB | Display | |
Data in XML | 6kn1_validation.xml.gz | 22.7 KB | Display | |
Data in CIF | 6kn1_validation.cif.gz | 32.6 KB | Display | |
Arichive directory | https://data.pdbj.org/pub/pdb/validation_reports/kn/6kn1 ftp://data.pdbj.org/pub/pdb/validation_reports/kn/6kn1 | HTTPS FTP |
-Related structure data
Related structure data | 6kmtC 6kmuSC 6kmvC 6kmzC 6kn0C C: citing same article (ref.) S: Starting model for refinement |
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Similar structure data |
-Links
-Assembly
Deposited unit |
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1 |
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2 |
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Unit cell |
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-Components
#1: Protein | Mass: 18553.299 Da / Num. of mol.: 1 / Mutation: C254A Source method: isolated from a genetically manipulated source Source: (gene. exp.) Mus musculus (house mouse) / Gene: Casp4, Casp11, Caspl, Ich3 / Plasmid: pSUMO / Production host: Escherichia coli BL21(DE3) (bacteria) / References: UniProt: P70343, caspase-11 |
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#2: Protein | Mass: 10212.750 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Mus musculus (house mouse) / Gene: Casp4, Casp11, Caspl, Ich3 / Plasmid: pET21a / Production host: Escherichia coli BL21(DE3) (bacteria) / References: UniProt: P70343, caspase-11 |
#3: Protein | Mass: 17495.045 Da / Num. of mol.: 1 / Mutation: C254A Source method: isolated from a genetically manipulated source Source: (gene. exp.) Mus musculus (house mouse) / Gene: Casp4, Casp11, Caspl, Ich3 / Plasmid: pSUMO / Production host: Escherichia coli BL21(DE3) (bacteria) / References: UniProt: P70343, caspase-11 |
#4: Protein | Mass: 10283.828 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Mus musculus (house mouse) / Gene: Casp4, Casp11, Caspl, Ich3 / Plasmid: pET21a / Production host: Escherichia coli BL21(DE3) (bacteria) / References: UniProt: P70343, caspase-11 |
#5: 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: 2.44 Å3/Da / Density % sol: 49.59 % |
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Crystal grow | Temperature: 293 K / Method: vapor diffusion, sitting drop Details: 0.1 M sodium citrate pH 5.7 and 18% (w/v) polyethylene glycol 3350 |
-Data collection
Diffraction | Mean temperature: 93 K / Serial crystal experiment: N |
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Diffraction source | Source: SYNCHROTRON / Site: SSRF / Beamline: BL17U / Wavelength: 0.9792 Å |
Detector | Type: DECTRIS PILATUS3 6M / Detector: PIXEL / Date: Mar 29, 2019 |
Radiation | Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength: 0.9792 Å / Relative weight: 1 |
Reflection | Resolution: 1.9→46.89 Å / Num. obs: 42565 / % possible obs: 98.9 % / Redundancy: 3.47 % / CC1/2: 0.996 / Rmerge(I) obs: 0.064 / Net I/σ(I): 14.2 |
Reflection shell | Resolution: 1.9→1.95 Å / Rmerge(I) obs: 0.291 / Mean I/σ(I) obs: 3.93 / Num. unique obs: 3036 / CC1/2: 0.941 / % possible all: 95.1 |
-Processing
Software |
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Refinement | Method to determine structure: MOLECULAR REPLACEMENT Starting model: 6KMU Resolution: 1.9→46.89 Å / Cross valid method: FREE R-VALUE
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Refinement step | Cycle: LAST / Resolution: 1.9→46.89 Å
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LS refinement shell | Resolution: 1.9→1.9445 Å
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