2IU5	Transcription	date	May 27, 2006
title	Dihydroxyacetone Kinase Operon Activator Dhas
authors	A.Srinivas, S.Christen, U.Baumann, B.Erni
compound		source
Molecule: Hth-Type Dhaklm Operon Transcriptional Activator Chain: A, B Synonym: Dhas, Yceg Engineered: Yes Mutation: Yes		Organism_scientific: Lactococcus Lactis Subsp. Lactis Il140 Organism_taxid: 272623 Expression_system: Escherichia Coli Expression_system_taxid: 469008 Expression_system_strain: Bl21(De3) Expression_system_vector_type: Plasmid Expression_system_plasmid: Pet28 Other_details: Nestle
symmetry	Space Group: P 21 21 21	R_factor 0.195 R_Free 0.230
crystal cell	length a length b length c angle alpha angle beta angle gamma 44.459 46.284 171.939 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	1.6 Å
note	2IU5 is a representative structure
Gene Ontology	Chain Function Process Component A, B
Primary reference	Regulation of the Dha operon of Lactococcus lactis: a deviation from the rule followed by the Tetr family of transcription regulators., Christen S, Srinivas A, Bahler P, Zeller A, Pridmore D, Bieniossek C, Baumann U, Erni B, J Biol Chem. 2006 Aug 11;281(32):23129-37. Epub 2006 Jun 7. PMID:16760471

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (71 Kb) [Save to disk] Biological Unit Coordinates (2iu5.pdb1.gz) 66 Kb CSU: Contacts of Structural Units for 2IU5 Likely Quarternary Molecular Structure file(s) for 2IU5 Structure Factors (423 Kb) Retrieve 2IU5 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 2IU5 from S2C, [Save to disk] Re-refined 2iu5 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 2IU5 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 2IU5

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 2IU5, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [2iu5_A] [2iu5] [2iu5_B] SWISS-PROT database: [Q9CIV9] Domain organization of [DHAS_LACLA] by SWISSPFAM

Other resources with information on 2IU5

Community annotation for 2IU5 at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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