1OGA	Immune System Receptor	date	Apr 28, 2003
title	A Structural Basis For Immunodominant Human T-Cell Receptor Recognition.
authors	G.B.E.Stewart-Jones, A.J.Mcmichael, J.I.Bell, D.I.Stuart, E.Y.Jo
compound		source
Molecule: Hla Class I Histocompatibility Antigen Chain: A Fragment: Extracellular Alpha-1, -2, -3, Residues 25-300 Synonym: Mhc, A-2 Alpha Chain Precursor Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: Blr Expression_system_vector: Pett22b+ Other_details: Refolded From Inclusion Bodies. Refolded Fro Inclusion Bodies;
Molecule: Beta-2-Microglobulin Chain: B Fragment: Beta-2-Microglobulin, Residues 21-119 Synonym: Hdcma22p, B2m Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: Blr Expression_system_vector: Pett22b+ Other_details: Refolded From Inclusion Bodies. Refolded Fro Inclusion Bodies;
Molecule: Gilgfvftl Chain: C Engineered: Yes		Synthetic: Yes Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Other_details: Refolded From Inclusion Bodies. Peptide Chai C.Refolded From Inclusion Bodies;
Molecule: T-Cell Receptor Alpha Chain V Region Chain: D Engineered: Yes Other_details: Contains Also C (Constant) Region		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: Blr Expression_system_vector: Pett22b+ Other_details: Refolded From Inclusion Bodies. Refolded Fro Inclusion Bodies;
Molecule: T-Cell Receptor Beta Chain C Region Chain: E Fragment: Extracellular, Residues 1-130 Synonym: Trbc1 Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: Blr Expression_system_vector: Pett22b+ Other_details: Refolded From Inclusion Bodies. Refolded Fro Inclusion Bodies
symmetry	Space Group: P 1 21 1	R_factor 0.218 R_Free 0.231
crystal cell	length a length b length c angle alpha angle beta angle gamma 67.019 108.838 77.741 90.00 112.46 90.00
method	X-Ray Diffraction	resolution	1.40 Å
related structures	by homologous chain: 1I4F, 1KGC, 1OGT, 2BNU
Gene Ontology	Chain Function Process Component B cellular response to iron io...
Primary reference	A structural basis for immunodominant human T cell receptor recognition., Stewart-Jones GB, McMichael AJ, Bell JI, Stuart DI, Jones EY, Nat Immunol 2003 Jul;4(7):657-63. PMID:12796775

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (150 Kb) [Save to disk] Biological Unit Coordinates (1oga.pdb1.gz) 143 Kb CSU: Contacts of Structural Units for 1OGA Likely Quarternary Molecular Structure file(s) for 1OGA Structure Factors (1138 Kb) Retrieve 1OGA in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1OGA from S2C, [Save to disk] Re-refined 1oga structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1OGA 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 1OGA

Ramachandran plot from PDBSum

Structure-derived information

Conformational Epitope Prediction for 1OGA 1OGAA 1OGAB 1OGAC 1OGAD 1OGAE from the CEP Server. Electron Density related parameters from EDS Electron Density Server, at Upsala Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 1OGA, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1ogaa2, region A:1-181 [Jmol] [rasmolscript] [script source]     - Domain d1ogaa1, region A:182-276 [Jmol] [rasmolscript] [script source]     - Domain d1ogab_, region B [Jmol] [rasmolscript] [script source]     - Domain d1ogad2, region D:118-202 [Jmol] [rasmolscript] [script source]     - Domain d1ogad1, region D:3-117 [Jmol] [rasmolscript] [script source]     - Domain d1ogae2, region E:119-245 [Jmol] [rasmolscript] [script source]     - Domain d1ogae1, region E:5-118 [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: [1oga_D] [1oga_A] [1oga_E] [1oga_B] [1oga_C] [1oga] SWISS-PROT database: [P01892] [P61769] [P01848] [P01850] Domain organization of [1A02_HUMAN] [B2MG_HUMAN] [TCA_HUMAN] [TCB_HUMAN] by SWISSPFAM Domains found in 1OGA: [IG_like] [IGc1] [IGv ] by SMART

Other resources with information on 1OGA

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

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