1SY6	Signaling Protein Antibiotic	date	Mar 31, 2004
title	Crystal Structure Of Cd3gammaepsilon Heterodimer In Complex Fab Fragment
authors	L.Kjer-Nielsen, M.A.Dunstone, L.Kostenko, L.K.Ely, T.Beddoe, N.A. A.W.Purcell, A.G.Brooks, J.Mccluskey, J.Rossjohn
compound		source
Molecule: Okt3 Fab Light Chain Chain: L Fragment: Fab Fragment Light Chain Engineered: Yes		Organism_scientific: Mus Musculus Organism_common: House Mouse Organism_taxid: 10090 Expression_system: Mus Musculus Expression_system_common: House Mouse Expression_system_taxid: 10090
Molecule: Okt3 Fab Heavy Chain Chain: H Fragment: Fab Fragment Heavy Chain Engineered: Yes		Organism_scientific: Mus Musculus Organism_common: House Mouse Organism_taxid: 10090 Expression_system: Mus Musculus Expression_system_common: House Mouse Expression_system_taxid: 10090
Molecule: T-Cell Surface Glycoprotein Cd3 Gammaepsilon Cha Chain: A Fragment: Cd3 Epsilongamma Ecto Domain Synonym: T-Cell Surface Antigen T3leu-4 Gammaepsilon Chai Engineered: Yes Other_details: This Protein Is Composed Of Gamma And Epsilo With 26 Residues Linker		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Gene: Cd3g, T3g, Cd3e, T3e Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: Bl20 Expression_system_vector_type: Plasmid Expression_system_plasmid: Pet30
symmetry	Space Group: P 1 21 1	R_factor 0.211 R_Free 0.255
crystal cell	length a length b length c angle alpha angle beta angle gamma 67.702 55.770 96.050 90.00 100.85 90.00
method	X-Ray Diffraction	resolution	2.10 Å
related structures	by homologous chain: 1AJ7, 1CLO, 1NDM, 1XIW, 2RCS
Primary reference	Crystal structure of the human T cell receptor CD3{epsilon}{gamma} heterodimer complexed to the therapeutic mAb OKT3., Kjer-Nielsen L, Dunstone MA, Kostenko L, Ely LK, Beddoe T, Mifsud NA, Purcell AW, Brooks AG, McCluskey J, Rossjohn J, Proc Natl Acad Sci U S A 2004 May 18;101(20):7675-7680. Epub 2004 May 10. PMID:15136729

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (98 Kb) [Save to disk] Biological Unit Coordinates (1sy6.pdb1.gz) 94 Kb CSU: Contacts of Structural Units for 1SY6 Likely Quarternary Molecular Structure file(s) for 1SY6 Retrieve 1SY6 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1SY6 from S2C, [Save to disk]

View 1SY6 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 1SY6

Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 1SY6, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1sy6a1, region A:1-81 [Jmol] [rasmolscript] [script source]     - Domain d1sy6a2, region A:118-203 [Jmol] [rasmolscript] [script source]     - Domain d1sy6h1, region H:1-119 [Jmol] [rasmolscript] [script source]     - Domain d1sy6h2, region H:120-219 [Jmol] [rasmolscript] [script source]     - Domain d1sy6l1, region L:1-106 [Jmol] [rasmolscript] [script source]     - Domain d1sy6l2, region L:107-213 [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: [1sy6_A] [1sy6_H] [1sy6] [1sy6_L] SWISS-PROT database: [P07766] [P09693] [Q6PJA7] Domain organization of [CD3E_HUMAN] [CD3G_HUMAN] [Q6PJA7_MOUSE] by SWISSPFAM Domains found in 1SY6: [IG_like] [IGc2] [IGv ] by SMART

Other resources with information on 1SY6

Community annotation for 1SY6 at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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