1L0X	Immune System	date	Feb 14, 2002
title	Tcr Beta Chain Complexed With Streptococcal Superantigen Spe
authors	H.Li, E.J.Sundberg, R.A.Mariuzza
compound		source
Molecule: 14.3.D T Cell Receptor Beta Chain Chain: A, C Engineered: Yes Mutation: Yes		Organism_scientific: Mus Musculus Organism_common: House Mouse Organism_taxid: 10090 Expression_system: Mus Musculus Expression_system_common: House Mouse Expression_system_taxid: 10090 Expression_system_cell_line: J558l
Molecule: Exotoxin Type A Chain: B, D Synonym: Scarlet Fever Toxin, Erythrogenic Toxin, Spe A Engineered: Yes Mutation: Yes		Organism_scientific: Streptococcus Pyogenes Organism_taxid: 1314 Expression_system: Escherichia Coli Expression_system_taxid: 562
symmetry	Space Group: P 1 21 1	R_factor 0.232 R_Free 0.278
crystal cell	length a length b length c angle alpha angle beta angle gamma 71.400 83.250 93.583 90.00 91.63 90.00
method	X-Ray Diffraction	resolution	2.80 Å
ligand	GOL	enzyme
related structures	by homologous chain: 1HA5, 1NFD, 1QRN, 1QSE, 1UUP
Gene Ontology	Chain Function Process Component D, B
Primary reference	Structures of two streptococcal superantigens bound to TCR beta chains reveal diversity in the architecture of T cell signaling complexes., Sundberg EJ, Li H, Llera AS, McCormick JK, Tormo J, Schlievert PM, Karjalainen K, Mariuzza RA, Structure (Camb) 2002 May;10(5):687-99. PMID:12015151

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (151 Kb) [Save to disk] Biological Unit Coordinates (1l0x.pdb1.gz) 74 Kb Biological Unit Coordinates (1l0x.pdb2.gz) 75 Kb LPC: Ligand-Protein Contacts for 1L0X CSU: Contacts of Structural Units for 1L0X Likely Quarternary Molecular Structure file(s) for 1L0X Structure Factors (268 Kb) Retrieve 1L0X in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1L0X from S2C, [Save to disk] Re-refined 1l0x structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1L0X in 3D

Proteopedia, because life has more than 2D. On Jmol, a nice Rasmol like molecule viewer. This is good for easiest viewing of basic structure. On FirstGlance, an excellent tool for a guided tour on the structure components, by E. Martz.

Visual 3D analysis of 1L0X

Ramachandran plot from PDBSum

Structure-derived information

Electron Density related parameters from EDS Electron Density Server, at Upsala Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 1L0X, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1l0xa2, region A:118-244 [Jmol] [rasmolscript] [script source]     - Domain d1l0xa1, region A:3-117 [Jmol] [rasmolscript] [script source]     - Domain d1l0xb1, region B:1-107 [Jmol] [rasmolscript] [script source]     - Domain d1l0xb2, region B:108-221 [Jmol] [rasmolscript] [script source]     - Domain d1l0xc2, region C:118-244 [Jmol] [rasmolscript] [script source]     - Domain d1l0xc1, region C:3-117 [Jmol] [rasmolscript] [script source]     - Domain d1l0xd1, region D:1-107 [Jmol] [rasmolscript] [script source]     - Domain d1l0xd2, region D:108-221 [Jmol] [rasmolscript] [script source] Class (fold), Architecture (subfold), Topology, Homologous superfamily from CATH Summaries and structural analyses of PDB data files from PDBSum Identification of Protein Pockets & Cavities at CASTp

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [1l0x] [1l0x_D] [1l0x_B] [1l0x_C] [1l0x_A] SWISS-PROT database: [P62560] Domain organization of [SPEA_STRPY] by SWISSPFAM Domains found in 1L0X: [IG_like] [IGv ] by SMART

Other resources with information on 1L0X

Community annotation for 1L0X at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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