2PE5	Transcription Dna	date	Apr 02, 2007
title	Crystal Structure Of The Lac Repressor Bound To Onpg In Repr State
authors	R.Daber, S.E.Stayrook, A.Rosenberg, M.Lewis
compound		source
Molecule: Dna (5'- D(Dapdapdtpdtpdgpdtpdgpdapdgpdcpdgpdcpdtpdcp Pdapdtpdt)-3'); Chain: D, E, F Engineered: Yes		Synthetic: Yes Organism_scientific: Synthetic Construct Organism_taxid: 32630
Molecule: Lactose Operon Repressor Chain: A, B, C Fragment: Sequence Database Residues 2-331 Engineered: Yes Mutation: Yes		Organism_scientific: Escherichia Coli Organism_taxid: 562 Gene: Laci Expression_system: Escherichia Coli Bl21(De3) Expression_system_taxid: 469008 Expression_system_strain: Bl21 De3 Expression_system_vector_type: Plasmid Expression_system_plasmid: Htua
symmetry	Space Group: H 3 2	R_factor 0.233 R_Free 0.287
crystal cell	length a length b length c angle alpha angle beta angle gamma 253.080 253.080 203.247 90.00 90.00 120.00
method	X-Ray Diffraction	resolution	3.50 Å
ligand	145	enzyme
Gene Ontology	Chain Function Process Component A, C, B
Primary reference	Structural analysis of lac repressor bound to allosteric effectors., Daber R, Stayrook S, Rosenberg A, Lewis M, J Mol Biol. 2007 Jul 20;370(4):609-19. Epub 2007 Apr 19. PMID:17543986

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (174 Kb) [Save to disk] Biological Unit Coordinates (2pe5.pdb1.gz) 113 Kb Biological Unit Coordinates (2pe5.pdb2.gz) 112 Kb LPC: Ligand-Protein Contacts for 2PE5 CSU: Contacts of Structural Units for 2PE5 Likely Quarternary Molecular Structure file(s) for 2PE5 Structure Factors (485 Kb) Retrieve 2PE5 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 2PE5 from S2C, [Save to disk] Re-refined 2pe5 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 2PE5 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 2PE5

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 2PE5, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [2pe5_A] [2pe5_D] [2pe5_C] [2pe5_B] [2pe5_E] [2pe5] [2pe5_F] SWISS-PROT database: [P03023] Domain organization of [LACI_ECOLI] by SWISSPFAM Domain found in 2PE5: [HTH_LACI ] by SMART

Other resources with information on 2PE5

Community annotation for 2PE5 at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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