1OSL Transcription Dna date Mar 20, 2003
title Solution Structure Of A Dimeric Lactose Dna-Binding Domain Complexed To A Nonspecific Dna Sequence
authors C.G.Kalodimos, A.M.J.J.Bonvin, R.Boelens, R.Kaptein
compound source
Molecule: Lactose Operon Repressor
Chain: A, B
Fragment: N-Terminal Dna-Binding Domain, Residues 1-62
Engineered: Yes
Mutation: Yes
Organism_scientific: Escherichia Coli
Organism_taxid: 562
Gene: Laci
Expression_system: Escherichia Coli
Expression_system_taxid: 562
Expression_system_strain: Dh9
Expression_system_vector_type: Plasmid
Expression_system_plasmid: Pet-Hp62-V52c

Molecule: 5'- D(Cpgpaptpapapgpaptpaptpcptptpaptpcpg)- 3';
Chain: C, D
Engineered: Yes

Synthetic: Yes
methodSolution NMR
related structures by homologous chain: 1CJG, 1EFA
A, B

Primary referenceStructure and flexibility adaptation in nonspecific and specific protein-DNA complexes., Kalodimos CG, Biris N, Bonvin AM, Levandoski MM, Guennuegues M, Boelens R, Kaptein R, Science. 2004 Jul 16;305(5682):386-9. PMID:15256668
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (1167 Kb) [Save to disk]
  • CSU: Contacts of Structural Units for 1OSL
  • Original NMR restraints for 1OSL from PDB
  • Experimental data, such as chemical shifts, at BioMagResBank (BMRB)
  • NMR Restraints Grid from BioMagResBank (BMRB)
  • Retrieve 1OSL in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1OSL from S2C, [Save to disk]
  • View 1OSL 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 1OSL
  • Cartoon representation from PDB Cartoon
  • Ramachandran plot from PDBSum
  • Structure-derived information
  • Dipole moment, from Dipole Server at Weizmann Institute
  • Crystal Contacts, from CryCo at Weizmann Institute
  • 3D motif for 1OSL, from MSDmotif at EBI
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1osla_, region A [Jmol] [rasmolscript] [script source]
        - Domain d1oslb_, region B [Jmol] [rasmolscript] [script source]
  • Fold representative 1osl from FSSP and Dali (Families of Structurally Similar Proteins)
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [1osl_D] [1osl_B] [1osl] [1osl_C] [1osl_A]
  • SWISS-PROT database: [P03023]
  • Domain organization of [LACI_ECOLI] by SWISSPFAM
  • Domain found in 1OSL: [HTH_LACI ] by SMART
  • Other resources with information on 1OSL
  • Community annotation for 1OSL at PDBWiki (http://pdbwiki.org)
  • MMDB (Entrez's Structure Database)
  • Movements, Movies and Images
  • Images from IMB Jena Image Library of Biological Macromolecules.

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