2P9H Transcription date Mar 26, 2007
title High Resolution Structure Of The Lactose Repressor Bound To
authors R.Daber
compound source
Molecule: Lactose Operon Repressor
Chain: A, B
Engineered: 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: P 41 21 2
R_factor 0.185 R_Free 0.246
length a length b length c angle alpha angle beta angle gamma
77.125 77.125 210.583 90.00 90.00 90.00
method X-Ray Diffractionresolution 2.00 Å
ligand IPT enzyme
Primary referenceStructural 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] (99 Kb) [Save to disk]
  • Biological Unit Coordinates (2p9h.pdb1.gz) 94 Kb
  • LPC: Ligand-Protein Contacts for 2P9H
  • CSU: Contacts of Structural Units for 2P9H
  • Likely Quarternary Molecular Structure file(s) for 2P9H
  • Structure Factors (561 Kb)
  • Retrieve 2P9H in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 2P9H from S2C, [Save to disk]
  • Re-refined 2p9h structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 2P9H 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 2P9H
  • Cartoon representation from PDB Cartoon
  • 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
  • Crystal Contacts, from CryCo at Weizmann Institute
  • 3D motif for 2P9H, from MSDmotif at EBI
  • Fold representative 2p9h from FSSP and Dali (Families of Structurally Similar Proteins)
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [2p9h_B] [2p9h] [2p9h_A]
  • SWISS-PROT database: [P03023]
  • Domain organization of [LACI_ECOLI] by SWISSPFAM
  • Other resources with information on 2P9H
  • Community annotation for 2P9H 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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