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Open data
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Basic information
| Entry | Database: PDB / ID: 3qiw | ||||||
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| Title | Crystal structure of the 226 TCR in complex with MCC-p5E/I-Ek | ||||||
Components |
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Keywords | IMMUNE SYSTEM / immunoglobulin domain / T cell receptor / MHC molecule | ||||||
| Function / homology | Function and homology informationPhosphorylation of CD3 and TCR zeta chains / Translocation of ZAP-70 to Immunological synapse / Co-inhibition by PD-1 / Generation of second messenger molecules / Downstream TCR signaling / MHC class II antigen presentation / immunoglobulin mediated immune response / peptide antigen assembly with MHC class II protein complex / MHC class II protein complex / antigen processing and presentation of exogenous peptide antigen via MHC class II ...Phosphorylation of CD3 and TCR zeta chains / Translocation of ZAP-70 to Immunological synapse / Co-inhibition by PD-1 / Generation of second messenger molecules / Downstream TCR signaling / MHC class II antigen presentation / immunoglobulin mediated immune response / peptide antigen assembly with MHC class II protein complex / MHC class II protein complex / antigen processing and presentation of exogenous peptide antigen via MHC class II / positive regulation of immune response / positive regulation of T cell activation / peptide antigen binding / mitochondrial intermembrane space / MHC class II protein complex binding / late endosome membrane / adaptive immune response / electron transfer activity / lysosome / lysosomal membrane / external side of plasma membrane / heme binding / metal ion binding / plasma membrane Similarity search - Function | ||||||
| Biological species | ![]() Manduca sexta (tobacco hornworm) | ||||||
| Method | X-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / molecular replacement / Resolution: 3.3 Å | ||||||
Authors | Kruse, A.C. / Ely, L.K. / Newell, E.W. / Davis, M.M. / Garcia, K.C. | ||||||
Citation | Journal: J.Immunol. / Year: 2011Title: Structural basis of specificity and cross-reactivity in T cell receptors specific for cytochrome c-I-E(k). Authors: Newell, E.W. / Ely, L.K. / Kruse, A.C. / Reay, P.A. / Rodriguez, S.N. / Lin, A.E. / Kuhns, M.S. / Garcia, K.C. / Davis, M.M. | ||||||
| History |
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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 | 3qiw.cif.gz | 172.1 KB | Display | PDBx/mmCIF format |
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| PDB format | pdb3qiw.ent.gz | 133.2 KB | Display | PDB format |
| PDBx/mmJSON format | 3qiw.json.gz | Tree view | PDBx/mmJSON format | |
| Others | Other downloads |
-Validation report
| Summary document | 3qiw_validation.pdf.gz | 486.4 KB | Display | wwPDB validaton report |
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| Full document | 3qiw_full_validation.pdf.gz | 502.4 KB | Display | |
| Data in XML | 3qiw_validation.xml.gz | 30.4 KB | Display | |
| Data in CIF | 3qiw_validation.cif.gz | 40.5 KB | Display | |
| Arichive directory | https://data.pdbj.org/pub/pdb/validation_reports/qi/3qiw ftp://data.pdbj.org/pub/pdb/validation_reports/qi/3qiw | HTTPS FTP |
-Related structure data
| Related structure data | ![]() 3qibC ![]() 3qiuSC ![]() 3qjfC ![]() 3qjhC 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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| Unit cell |
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Components
-Protein , 4 types, 4 molecules ABCD
| #1: Protein | Mass: 22361.051 Da / Num. of mol.: 1 / Fragment: unp residues 26-217 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() Trichoplusia ni (cabbage looper) / References: UniProt: P04224 |
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| #2: Protein | Mass: 22972.594 Da / Num. of mol.: 1 / Fragment: unp residues 29-224 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() Trichoplusia ni (cabbage looper) / References: UniProt: Q31163, UniProt: P04230*PLUS |
| #3: Protein | Mass: 22822.301 Da / Num. of mol.: 1 / Fragment: unp residues 97-108 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Manduca sexta (tobacco hornworm) / Production host: ![]() |
| #4: Protein | Mass: 27613.924 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() |
-Protein/peptide / Sugars , 2 types, 3 molecules E

| #5: Protein/peptide | Mass: 1393.562 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() |
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| #6: Sugar |
-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: 2.81 Å3/Da / Density % sol: 56.24 % |
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| Crystal grow | Temperature: 295 K / pH: 6.5 Details: 15-20% PEG5000 MME, Bis tris, VAPOR DIFFUSION, temperature 295K, pH 6.5 |
-Data collection
| Diffraction | Mean temperature: 100 K |
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| Diffraction source | Source: SYNCHROTRON / Site: SSRL / Beamline: BL9-2 / Wavelength: 1 |
| Detector | Type: MARMOSAIC 325 mm CCD / Detector: CCD / Date: Mar 30, 2010 |
| Radiation | Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
| Radiation wavelength | Wavelength: 1 Å / Relative weight: 1 |
| Reflection | Resolution: 3.3→45 Å / Num. obs: 16259 / % possible obs: 98.4 % / Redundancy: 3.2 % / Rmerge(I) obs: 0.102 / Net I/σ(I): 7.9 |
| Reflection shell | Resolution: 3.3→3.36 Å / Redundancy: 3.2 % / Rmerge(I) obs: 0.345 / % possible all: 99.4 |
-Phasing
| Phasing | Method: molecular replacement |
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Processing
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| Refinement | Method to determine structure: MOLECULAR REPLACEMENTStarting model: pdb entry 3QIU Resolution: 3.3→36.69 Å / Occupancy max: 1 / Occupancy min: 0.29 / SU ML: 0.44 / σ(F): 1.36 / Phase error: 28.48 / 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: 19.48 Å2 / ksol: 0.3 e/Å3 | |||||||||||||||||||||||||||||||||||||||||||||||||
| Displacement parameters | Biso mean: 62.75 Å2
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| Refinement step | Cycle: LAST / Resolution: 3.3→36.69 Å
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| Refine LS restraints |
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| LS refinement shell |
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Manduca sexta (tobacco hornworm)
X-RAY DIFFRACTION
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