2NW2	Immune System	date	Nov 14, 2006
title	Crystal Structure Of Els4 Tcr At 1.4a
authors	F.E.Tynan, H.H.Reid, J.Rossjohn
compound		source
Molecule: Els4 Tcr Alpha Chain Chain: A Synonym: T-Cell Receptor, Alpha Chain Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Expression_system: Escherichia Coli Bl21(De3) Expression_system_taxid: 469008 Expression_system_strain: Bl21(De3) Expression_system_vector_type: Plasmid Expression_system_plasmid: Pet30
Molecule: Els4 Tcr Beta Chain Chain: B Synonym: T-Cell Receptor, Beta Chain Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Expression_system: Escherichia Coli Bl21(De3) Expression_system_taxid: 469008 Expression_system_strain: Bl21(De3) Expression_system_vector_type: Plasmid Expression_system_plasmid: Pet30
symmetry	Space Group: P 1 21 1	R_factor 0.192 R_Free 0.224
crystal cell	length a length b length c angle alpha angle beta angle gamma 46.564 84.163 59.270 90.00 107.34 90.00
method	X-Ray Diffraction	resolution	1.40 Å
note	2NW2 is a representative structure
Primary reference	A T cell receptor flattens a bulged antigenic peptide presented by a major histocompatibility complex class I molecule., Tynan FE, Reid HH, Kjer-Nielsen L, Miles JJ, Wilce MC, Kostenko L, Borg NA, Williamson NA, Beddoe T, Purcell AW, Burrows SR, McCluskey J, Rossjohn J, Nat Immunol. 2007 Mar;8(3):268-76. Epub 2007 Jan 28. PMID:17259989

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (85 Kb) [Save to disk] Biological Unit Coordinates (2nw2.pdb1.gz) 80 Kb CSU: Contacts of Structural Units for 2NW2 Likely Quarternary Molecular Structure file(s) for 2NW2 Structure Factors (583 Kb) Retrieve 2NW2 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 2NW2 from S2C, [Save to disk] Re-refined 2nw2 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 2NW2 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 2NW2

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 2NW2, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [2nw2] [2nw2_A] [2nw2_B] SWISS-PROT database: [Q6P4G7] [P01850] Domain organization of [Q6P4G7_HUMAN] [TCB_HUMAN] by SWISSPFAM Domains found in 2NW2: [IG_like] [IGv ] by SMART

Other resources with information on 2NW2

Community annotation for 2NW2 at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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