2V2X	Immune System	date	Jun 07, 2007
title	T Cell Cross-Reactivity And Conformational Changes During Tc Engagement.
authors	J.K.Lee, G.Stewart-Jones, T.Dong, K.Harlos, K.Di Gleria, L.Dorrel D.C.Douek, P.A.Van Der Merwe, E.Y.Jones, A.J.Mcmichael
compound		source
Molecule: Hla Class I Histocompatibility Antigen, A-2 Alpha Chain: A, D Fragment: Peptide Binding Domain, Residues 25-300 Synonym: Hla-A0201, Mhc Class I Antigen A2 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, E Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Expression_system: Escherichia Coli Expression_system_taxid: 562
Molecule: Hiv P17 Chain: C, F Engineered: Yes		Synthetic: Yes Organism_scientific: Human Immunodeficiency Virus Organism_taxid: 12721
symmetry	Space Group: P 1	R_factor 0.192 R_Free 0.238
crystal cell	length a length b length c angle alpha angle beta angle gamma 50.308 63.606 74.744 81.83 76.21 77.73
method	X-Ray Diffraction	resolution	1.60 Å
note	2V2X supersedes 2BSV
Gene Ontology	Chain Function Process Component E, B cellular response to iron io...
Primary reference	T cell cross-reactivity and conformational changes during TCR engagement., Lee JK, Stewart-Jones G, Dong T, Harlos K, Di Gleria K, Dorrell L, Douek DC, van der Merwe PA, Jones EY, McMichael AJ, J Exp Med. 2004 Dec 6;200(11):1455-66. PMID:15583017

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (156 Kb) [Save to disk] Biological Unit Coordinates (2v2x.pdb1.gz) 74 Kb Biological Unit Coordinates (2v2x.pdb2.gz) 75 Kb CSU: Contacts of Structural Units for 2V2X Likely Quarternary Molecular Structure file(s) for 2V2X Structure Factors (779 Kb) Retrieve 2V2X in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 2V2X from S2C, [Save to disk] Re-refined 2v2x structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 2V2X 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 2V2X

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 2V2X, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [2v2x_B] [2v2x_E] [2v2x_A] [2v2x_C] [2v2x] [2v2x_F] [2v2x_D] SWISS-PROT database: [P01892] [P61769] Domain organization of [1A02_HUMAN] [B2MG_HUMAN] by SWISSPFAM Domain found in 2V2X: [IGc1 ] by SMART

Other resources with information on 2V2X

Community annotation for 2V2X at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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