2EXS	Rna Binding Protein	date	Nov 08, 2005
title	Trap3 (Engineered Trap)
authors	J.G.Heddle, T.Yokoyama, I.Yamashita, S.Y.Park, J.R.H.Tame
compound		source
Molecule: Transcription Attenuation Protein Mtrb Chain: A, B, C Synonym: Tryptophan Rna-Binding Attenuator Protein, Trp Rna Attenuation Protein, Trap; Engineered: Yes		Organism_scientific: Geobacillus Stearothermophilus Organism_taxid: 1422 Gene: Mtrb Expression_system: Escherichia Coli Bl21 Expression_system_taxid: 511693 Expression_system_strain: Bl21 Expression_system_vector_type: Plasmid Expression_system_plasmid: Pet21b
symmetry	Space Group: P 4 21 2	R_factor 0.204 R_Free 0.264
crystal cell	length a length b length c angle alpha angle beta angle gamma 110.040 110.040 36.840 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.00 Å
ligand	MSE, TRP	enzyme
Gene Ontology	Chain Function Process Component A, C, B
Primary reference	Rounding up: Engineering 12-membered rings from the cyclic 11-mer TRAP., Heddle JG, Yokoyama T, Yamashita I, Park SY, Tame JR, Structure. 2006 May;14(5):925-33. PMID:16698553

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (37 Kb) [Save to disk] Biological Unit Coordinates (2exs.pdb1.gz) 128 Kb LPC: Ligand-Protein Contacts for 2EXS CSU: Contacts of Structural Units for 2EXS Likely Quarternary Molecular Structure file(s) for 2EXS Structure Factors (250 Kb) Retrieve 2EXS in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 2EXS from S2C, [Save to disk] Re-refined 2exs structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 2EXS 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 2EXS

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 2EXS, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [2exs_B] [2exs] [2exs_A] [2exs_C] SWISS-PROT database: [Q9X6J6] Domain organization of [MTRB_BACST] by SWISSPFAM

Other resources with information on 2EXS

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

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Images from IMB Jena Image Library of Biological Macromolecules.

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