2BJC	Transcription Regulator	date	Feb 01, 2005
title	Nmr Structure Of A Protein-Dna Complex Of An Altered Specifi Mutant Of The Lac Repressor Headpiece That Mimics The Gal R
authors	R.K.Salinas, G.E.Folkers, A.M.J.J.Bonvin, D.Das, R.Boelens, R.Kap
compound		source
Molecule: Lactose Operon Repressor Chain: A, B Fragment: Dna Binding Domain, Lac Headpiece Residues 1-62 Engineered: Yes Mutation: Yes Other_details: The Protein Is A Dimer. Disulfide Bond Betwe In Two Monomers Forms A Covalent Dimer;		Organism_scientific: Escherichia Coli Organism_taxid: 562 Strain: Dh9 Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: Dh9 Expression_system_plasmid: Pet3a Pgp1-2
Molecule: 5'-D(Gpapaptptpgptpapapgp Cpgpcptptpapcpapaptptpc)-3'; Chain: C, D Synonym: Lac-Gal Operator Engineered: Yes Other_details: Altered Lac Syml Operator		Synthetic: Yes
method	Solution NMR
Gene Ontology	Chain Function Process Component A, B
Primary reference	Altered specificity in DNA binding by the lac repressor: a mutant lac headpiece that mimics the gal repressor., Kopke Salinas R, Folkers GE, Bonvin AM, Das D, Boelens R, Kaptein R, Chembiochem. 2005 Sep;6(9):1628-37. PMID:16094693

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (894 Kb) [Save to disk] Biological Unit Coordinates (2bjc.pdb1.gz) 57 Kb CSU: Contacts of Structural Units for 2BJC Original NMR restraints for 2BJC from PDB Retrieve 2BJC in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 2BJC from S2C, [Save to disk]

View 2BJC 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 2BJC

Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 2BJC, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [2bjc_D] [2bjc] [2bjc_A] [2bjc_B] [2bjc_C] SWISS-PROT database: [P03023] Domain organization of [LACI_ECOLI] by SWISSPFAM Domain found in 2BJC: [HTH_LACI ] by SMART

Other resources with information on 2BJC

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

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