3LES	Immune System	date	Jan 15, 2010
title	2f5 Epitope Scaffold Es2
authors	G.Ofek, F.J.Guenaga, W.R.Schief, J.Skinner, R.Wyatt, D.Baker, P.D.
compound		source
Molecule: Rna Polymerase Sigma Factor Chain: A, B Fragment: Unp Residues 93-271 Engineered: Yes		Organism_scientific: Thermus Aquaticus Organism_taxid: 271 Gene: Sigma Factor Siga Expression_system: Homo Sapiens Expression_system_common: Human Expression_system_taxid: 9606 Expression_system_cell_line: Hek293 Expression_system_vector_type: Plasmid Expression_system_plasmid: Cmv-R
symmetry	Space Group: P 1	R_factor 0.227 R_Free 0.260
crystal cell	length a length b length c angle alpha angle beta angle gamma 37.257 49.987 57.567 78.03 89.83 87.57
method	X-Ray Diffraction	resolution	2.77 Å
ligand	SO4	enzyme
Gene Ontology	Chain Function Process Component A, B
Primary reference	Elicitation of structure-specific antibodies by epitope scaffolds., Ofek G, Guenaga FJ, Schief WR, Skinner J, Baker D, Wyatt R, Kwong PD, Proc Natl Acad Sci U S A. 2010 Oct 19;107(42):17880-7. Epub 2010 Sep 27. PMID:20876137

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (124 Kb) [Save to disk] Biological Unit Coordinates (3les.pdb1.gz) 60 Kb Biological Unit Coordinates (3les.pdb2.gz) 59 Kb LPC: Ligand-Protein Contacts for 3LES CSU: Contacts of Structural Units for 3LES Structure Factors (71 Kb) Retrieve 3LES in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 3LES from S2C, [Save to disk] Re-refined 3les structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 3LES 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 3LES

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 3LES, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [3les] [3les_A] [3les_B] SWISS-PROT database: Domain organization of by SWISSPFAM

Other resources with information on 3LES

Community annotation for 3LES at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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