2EYT	Immune System	date	Nov 09, 2005
title	A Structural Basis For Selection And Cross-Species Reactivity Of The Semi-Invariant Nkt Cell Receptor In Cd1dglycolipid Recognition
authors	L.Kjer-Nielsen, N.A.Borg
compound		source
Molecule: Nkt15 Chain: A, C 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: Nkt15 Chain: B, D 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 32	R_factor 0.207 R_Free 0.256
crystal cell	length a length b length c angle alpha angle beta angle gamma 66.672 66.672 182.408 90.00 90.00 120.00
method	X-Ray Diffraction	resolution	2.60 Å
Primary reference	A structural basis for selection and cross-species reactivity of the semi-invariant NKT cell receptor in CD1d/glycolipid recognition., Kjer-Nielsen L, Borg NA, Pellicci DG, Beddoe T, Kostenko L, Clements CS, Williamson NA, Smyth MJ, Besra GS, Reid HH, Bharadwaj M, Godfrey DI, Rossjohn J, McCluskey J, J Exp Med. 2006 Mar 20;203(3):661-73. Epub 2006 Feb 27. PMID:16505140

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (149 Kb) [Save to disk] Biological Unit Coordinates (2eyt.pdb1.gz) 73 Kb Biological Unit Coordinates (2eyt.pdb2.gz) 74 Kb Biological Unit Coordinates (2eyt.pdb3.gz) 144 Kb CSU: Contacts of Structural Units for 2EYT Likely Quarternary Molecular Structure file(s) for 2EYT Structure Factors (207 Kb) Retrieve 2EYT in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 2EYT from S2C, [Save to disk] Re-refined 2eyt structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 2EYT 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. On AstexViewer, from MSD-EBI (viewer documentation). On RasMol (Install RasMol freeware) Here's help on how to use RasMol.

Visual 3D analysis of 2EYT

Cartoon representation from PDB Cartoon 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 Crystal Contacts, from CryCo at Weizmann Institute 3D motif for 2EYT, from MSDmotif at EBI Fold representative 2eyt from FSSP and Dali (Families of Structurally Similar Proteins)

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [2eyt_A] [2eyt_B] [2eyt_C] [2eyt_D] SWISS-PROT database: [P01848] Domain organization of [TCA_HUMAN] by SWISSPFAM Domains found in 2EYT: [IG_like] [IGc1] [IGv ] by SMART Alignments of the sequence of 2EYT with the sequences similar proteins can be viewed for 2EYT's classification [TCA_HUMAN] at ProtoMap. Click on "Neighbors List", then on the "See Alignments" button below the list. A sequence distance tree ("phylogenetic tree") can be viewed for 1ACL's classification [TCA_HUMAN] at ProtoMap. Click on the Cluster number.

Other resources with information on 2EYT

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

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