1QSF	Immune System	date	Jun 21, 1999
title	Structure Of A6-Tcr Bound To Hla-A2 Complexed With Altered H Peptide Y8a
authors	Y.H.Ding, B.M.Baker, D.N.Garboczi, W.E.Biddison, D.C.Wiley
compound		source
Molecule: Mhc Class I Hla-A Chain: A Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Expression_system: Escherichia Coli Expression_system_taxid: 562
Molecule: Beta-2 Microglobulin Chain: B Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Expression_system: Escherichia Coli Expression_system_taxid: 562
Molecule: Tax Peptide Y8a Chain: C Engineered: Yes		Synthetic: Yes Other_details: Sequence From Viral Protein Htlv-1 Tax
Molecule: Human T-Cell Receptor Chain: D Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Expression_system: Escherichia Coli Expression_system_taxid: 562
Molecule: Human T-Cell Receptor Chain: E Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Expression_system: Escherichia Coli Expression_system_taxid: 562
symmetry	Space Group: C 1 2 1	R_factor 0.245 R_Free 0.286
crystal cell	length a length b length c angle alpha angle beta angle gamma 224.665 48.460 93.739 90.00 90.46 90.00
method	X-Ray Diffraction	resolution	2.80 Å
related structures	by homologous chain: 1BZ9, 1G6R, 1QSE
Gene Ontology	Chain Function Process Component B
Primary reference	Four A6-TCR/peptide/HLA-A2 structures that generate very different T cell signals are nearly identical., Ding YH, Baker BM, Garboczi DN, Biddison WE, Wiley DC, Immunity 1999 Jul;11(1):45-56. PMID:10435578

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (140 Kb) [Save to disk] Biological Unit Coordinates (1qsf.pdb1.gz) 132 Kb CSU: Contacts of Structural Units for 1QSF Likely Quarternary Molecular Structure file(s) for 1QSF Retrieve 1QSF in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1QSF from S2C, [Save to disk]

View 1QSF 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 1QSF

Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 1QSF, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1qsfa2, region A:1-181 [Jmol] [rasmolscript] [script source]     - Domain d1qsfa1, region A:182-274 [Jmol] [rasmolscript] [script source]     - Domain d1qsfb_, region B [Jmol] [rasmolscript] [script source]     - Domain d1qsfd1, region D:1-117 [Jmol] [rasmolscript] [script source]     - Domain d1qsfd2, region D:118-206 [Jmol] [rasmolscript] [script source]     - Domain d1qsfe2, region E:119-246 [Jmol] [rasmolscript] [script source]     - Domain d1qsfe1, region E:3-118 [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: [1qsf_C] [1qsf_E] [1qsf_A] [1qsf_B] [1qsf_D] [1qsf] SWISS-PROT database: [P01892] [P61769] Domain organization of [1A02_HUMAN] [B2MG_HUMAN] by SWISSPFAM Domains found in 1QSF: [IG_like] [IGc1] [IGv ] by SMART

Other resources with information on 1QSF

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

Movements, Movies and Images

Domain movements in 1QSF from the Database of Macromolecular Movements. Images from IMB Jena Image Library of Biological Macromolecules.

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