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- PDB-1ktk: Complex of Streptococcal pyrogenic enterotoxin C (SpeC) with a hu... -
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Open data
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Basic information
Entry | Database: PDB / ID: 1ktk | ||||||
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Title | Complex of Streptococcal pyrogenic enterotoxin C (SpeC) with a human T cell receptor beta chain (Vbeta2.1) | ||||||
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![]() | IMMUNE SYSTEM / Streptococcus / immunity / T cell receptor beta | ||||||
Function / homology | ![]() alpha-beta T cell receptor complex / Translocation of ZAP-70 to Immunological synapse / Phosphorylation of CD3 and TCR zeta chains / alpha-beta T cell activation / Generation of second messenger molecules / PD-1 signaling / Immunoregulatory interactions between a Lymphoid and a non-Lymphoid cell / Downstream TCR signaling / T cell receptor signaling pathway / toxin activity ...alpha-beta T cell receptor complex / Translocation of ZAP-70 to Immunological synapse / Phosphorylation of CD3 and TCR zeta chains / alpha-beta T cell activation / Generation of second messenger molecules / PD-1 signaling / Immunoregulatory interactions between a Lymphoid and a non-Lymphoid cell / Downstream TCR signaling / T cell receptor signaling pathway / toxin activity / adaptive immune response / immune response / extracellular region / membrane / plasma membrane Similarity search - Function | ||||||
Biological species | ![]() ![]() | ||||||
Method | ![]() ![]() | ||||||
![]() | Sundberg, E.J. / Li, H. / Llera, A.S. / McCormick, J.K. / Tormo, J. / Karjalainen, K. / Schlievert, P.M. / Mariuzza, R.A. | ||||||
![]() | ![]() Title: Structures of two streptococcal superantigens bound to TCR beta chains reveal diversity in the architecture of T cell signaling complexes. Authors: Sundberg, E.J. / Li, H. / Llera, A.S. / McCormick, J.K. / Tormo, J. / Schlievert, P.M. / Karjalainen, K. / Mariuzza, R.A. | ||||||
History |
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Structure visualization
Structure viewer | Molecule: ![]() ![]() |
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Downloads & links
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Download
PDBx/mmCIF format | ![]() | 241.7 KB | Display | ![]() |
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PDB format | ![]() | 203 KB | Display | ![]() |
PDBx/mmJSON format | ![]() | Tree view | ![]() | |
Others | ![]() |
-Validation report
Arichive directory | ![]() ![]() | HTTPS FTP |
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-Related structure data
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Links
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Assembly
Deposited unit | ![]()
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Unit cell |
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Components
#1: Protein | Mass: 24384.285 Da / Num. of mol.: 4 / Mutation: H35A Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() ![]() #2: Protein | Mass: 27461.572 Da / Num. of mol.: 2 / Mutation: C13A, C191A Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() ![]() |
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-Experimental details
-Experiment
Experiment | Method: ![]() |
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Sample preparation
Crystal | Density Matthews: 3.7 Å3/Da / Density % sol: 66.79 % | |||||||||||||||||||||||||||||||||||
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Crystal grow | Temperature: 298 K / Method: vapor diffusion, hanging drop / pH: 8 Details: 15% PEG 8000, 0.2 M MgCl2, pH 8.0, VAPOR DIFFUSION, HANGING DROP at 298K | |||||||||||||||||||||||||||||||||||
Crystal grow | *PLUS | |||||||||||||||||||||||||||||||||||
Components of the solutions | *PLUS
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-Data collection
Diffraction | Mean temperature: 100 K |
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Diffraction source | Source: ![]() ![]() ![]() |
Detector | Type: ADSC QUANTUM 4 / Detector: CCD / Date: Sep 8, 2000 |
Radiation | Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength: 0.978 Å / Relative weight: 1 |
Reflection | Resolution: 3→100 Å / Num. all: 43729 / Num. obs: 36549 / % possible obs: 94.1 % / Observed criterion σ(F): 0 / Observed criterion σ(I): 0 |
Reflection shell | Resolution: 3→3.16 Å / % possible all: 81.9 |
Reflection | *PLUS Highest resolution: 3 Å / Lowest resolution: 100 Å / Num. obs: 43729 / % possible obs: 97.8 % / Num. measured all: 158446 / Rmerge(I) obs: 0.05 |
Reflection shell | *PLUS % possible obs: 96.5 % / Rmerge(I) obs: 0.207 / Mean I/σ(I) obs: 6.5 |
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Processing
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Refinement | Resolution: 3→6 Å / Rfactor Rfree error: 0.008 / Data cutoff high absF: 256344.22 / Data cutoff low absF: 0 / Isotropic thermal model: RESTRAINED / Cross valid method: THROUGHOUT / σ(F): 2
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Solvent computation | Solvent model: FLAT MODEL / Bsol: 116.651 Å2 / ksol: 0.613989 e/Å3 | ||||||||||||||||||||
Displacement parameters | Biso mean: 76.1 Å2
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Refine analyze |
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Refinement step | Cycle: LAST / Resolution: 3→6 Å
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Refine LS restraints |
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LS refinement shell | Resolution: 3→3.16 Å / Rfactor Rfree error: 0.021 / Total num. of bins used: 6
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Xplor file | Serial no: 1 / Param file: PROTEIN_REP.PARAM / Topol file: PROTEIN.TOP | ||||||||||||||||||||
Refinement | *PLUS % reflection Rfree: 4.8 % / Rfactor Rfree: 0.335 | ||||||||||||||||||||
Solvent computation | *PLUS | ||||||||||||||||||||
Displacement parameters | *PLUS | ||||||||||||||||||||
Refine LS restraints | *PLUS
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LS refinement shell | *PLUS Rfactor Rfree: 0.362 / Rfactor Rwork: 0.357 / Rfactor obs: 0.357 |