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Open data
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Basic information
| Entry | Database: PDB / ID: 4lwd | ||||||
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| Title | Human CARMA1 CARD domain | ||||||
Components | Caspase recruitment domain-containing protein 11 | ||||||
Keywords | SIGNALING PROTEIN / death domain / Bcl10 | ||||||
| Function / homology | Function and homology informationthymic T cell selection / regulation of B cell differentiation / CBM complex / GMP kinase activity / CARD domain binding / CD4-positive, alpha-beta T cell proliferation / TORC1 signaling / positive regulation of CD4-positive, alpha-beta T cell proliferation / regulation of T cell differentiation / positive regulation of T cell receptor signaling pathway ...thymic T cell selection / regulation of B cell differentiation / CBM complex / GMP kinase activity / CARD domain binding / CD4-positive, alpha-beta T cell proliferation / TORC1 signaling / positive regulation of CD4-positive, alpha-beta T cell proliferation / regulation of T cell differentiation / positive regulation of T cell receptor signaling pathway / B cell proliferation / homeostasis of number of cells / immunological synapse / canonical NF-kappaB signal transduction / T cell costimulation / positive regulation of B cell proliferation / positive regulation of interleukin-2 production / B cell differentiation / Activation of NF-kappaB in B cells / positive regulation of NF-kappaB transcription factor activity / protein homooligomerization / CLEC7A (Dectin-1) signaling / FCERI mediated NF-kB activation / Downstream TCR signaling / regulation of apoptotic process / positive regulation of canonical NF-kappaB signal transduction / membrane raft / extracellular exosome / plasma membrane / cytoplasm / cytosol Similarity search - Function | ||||||
| Biological species | Homo sapiens (human) | ||||||
| Method | X-RAY DIFFRACTION / SAD / Resolution: 1.792 Å | ||||||
Authors | Zheng, C. / Wu, H. | ||||||
Citation | Journal: Mol Cell / Year: 2013Title: Structural architecture of the CARMA1/Bcl10/MALT1 signalosome: nucleation-induced filamentous assembly. Authors: Qi Qiao / Chenghua Yang / Chao Zheng / Lorena Fontán / Liron David / Xiong Yu / Clay Bracken / Monica Rosen / Ari Melnick / Edward H Egelman / Hao Wu / ![]() Abstract: The CARMA1/Bcl10/MALT1 (CBM) signalosome mediates antigen receptor-induced NF-κB signaling to regulate multiple lymphocyte functions. While CARMA1 and Bcl10 contain caspase recruitment domains ...The CARMA1/Bcl10/MALT1 (CBM) signalosome mediates antigen receptor-induced NF-κB signaling to regulate multiple lymphocyte functions. While CARMA1 and Bcl10 contain caspase recruitment domains (CARDs), MALT1 is a paracaspase with structural similarity to caspases. Here we show that the reconstituted CBM signalosome is a helical filamentous assembly in which substoichiometric CARMA1 nucleates Bcl10 filaments. Bcl10 filament formation is a highly cooperative process whose threshold is sensitized by oligomerized CARMA1 upon receptor activation. In cells, both cotransfected CARMA1/Bcl10 complex and the endogenous CBM signalosome are filamentous morphologically. Combining crystallography, nuclear magnetic resonance, and electron microscopy, we reveal the structure of the Bcl10 CARD filament and the mode of interaction between CARMA1 and Bcl10. Structure-guided mutagenesis confirmed the observed interfaces in Bcl10 filament assembly and MALT1 activation in vitro and NF-κB activation in cells. These data support a paradigm of nucleation-induced signal transduction with threshold response due to cooperativity and signal amplification by polymerization. | ||||||
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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 | 4lwd.cif.gz | 53 KB | Display | PDBx/mmCIF format |
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| PDB format | pdb4lwd.ent.gz | 39.1 KB | Display | PDB format |
| PDBx/mmJSON format | 4lwd.json.gz | Tree view | PDBx/mmJSON format | |
| Others | Other downloads |
-Validation report
| Summary document | 4lwd_validation.pdf.gz | 438.3 KB | Display | wwPDB validaton report |
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| Full document | 4lwd_full_validation.pdf.gz | 440 KB | Display | |
| Data in XML | 4lwd_validation.xml.gz | 6.7 KB | Display | |
| Data in CIF | 4lwd_validation.cif.gz | 8.3 KB | Display | |
| Arichive directory | https://data.pdbj.org/pub/pdb/validation_reports/lw/4lwd ftp://data.pdbj.org/pub/pdb/validation_reports/lw/4lwd | HTTPS FTP |
-Related structure data
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Links
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Assembly
| Deposited unit | ![]()
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| 2 | x 6![]()
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| Unit cell |
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| Components on special symmetry positions |
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Components
| #1: Protein | Mass: 11385.998 Da / Num. of mol.: 1 / Fragment: CARD domain residues 18-110 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Homo sapiens (human) / Gene: CARD11, CARMA1 / Plasmid: pET28a / Production host: ![]() | ||||
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| #2: Chemical | | #3: Chemical | ChemComp-MG / | #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: 2.02 Å3/Da / Density % sol: 39.14 % |
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| Crystal grow | Temperature: 293 K / Method: vapor diffusion, hanging drop / pH: 6.5 Details: It was crystallized by mixing 1 to l protein (10 mg/ml in 20 mM Tris at pH 8.0, 150 mM NaCl, and 5 mM DTT) with 1 to l of the reservoir solution containing 1.4 M MgSO4 and 100 mM MES at pH 6. ...Details: It was crystallized by mixing 1 to l protein (10 mg/ml in 20 mM Tris at pH 8.0, 150 mM NaCl, and 5 mM DTT) with 1 to l of the reservoir solution containing 1.4 M MgSO4 and 100 mM MES at pH 6.5 in a hanging drop vapor diffusion system at 20 oC., VAPOR DIFFUSION, HANGING DROP, temperature 293K |
-Data collection
| Diffraction | Mean temperature: 100 K | ||||||||||||
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| Diffraction source | Source: ROTATING ANODE / Type: RIGAKU / Wavelength: 1.5418 Å | ||||||||||||
| Detector | Type: RIGAKU RAXIS IV / Detector: IMAGE PLATE / Date: May 13, 2013 | ||||||||||||
| Radiation | Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray | ||||||||||||
| Radiation wavelength | Wavelength: 1.5418 Å / Relative weight: 1 | ||||||||||||
| Reflection | Resolution: 1.792→25.945 Å / Num. obs: 9328 / Observed criterion σ(F): 1.36 / Observed criterion σ(I): 2 | ||||||||||||
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Processing
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| Refinement | Method to determine structure: SAD / Resolution: 1.792→25.945 Å / SU ML: 0.46 / σ(F): 1.36 / Phase error: 18.94 / Stereochemistry target values: ML
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| Solvent computation | Shrinkage radii: 0.9 Å / VDW probe radii: 1.11 Å / Solvent model: FLAT BULK SOLVENT MODEL / Bsol: 55.146 Å2 / ksol: 0.449 e/Å3 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Displacement parameters |
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| Refinement step | Cycle: LAST / Resolution: 1.792→25.945 Å
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| Refine LS restraints |
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| LS refinement shell |
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| Refinement TLS params. | Method: refined / Refine-ID: X-RAY DIFFRACTION
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| Refinement TLS group |
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Homo sapiens (human)
X-RAY DIFFRACTION
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