1LBG LACTOSE OPERON REPRESSOR BOUND TO 21-BASE PAIR SYMMETRIC OPERATOR DNA, ALPHA CARBONS ONLY date
authors Lewis, M., Chang, G., Horton, N.C., Kercher, M.A., Pace, H.C., Lu, P.
compound source
symmetry
R_factor
R_Free
crystal
cell
length a length b length c angle alpha angle beta angle gamma
method X-Ray Diffractionresolution 4.80
Gene
Ontology
ChainFunctionProcessComponent
A, D, C, B


Primary referenceCrystal structure of the lactose operon repressor and its complexes with DNA and inducer., Lewis M, Chang G, Horton NC, Kercher MA, Pace HC, Schumacher MA, Brennan RG, Lu P, Science 1996 Mar 1;271(5253):1247-54. PMID:8638105
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (61 Kb) [Save to disk]
  • Biological Unit Coordinates (1lbg.pdb1.gz) 30 Kb
  • Biological Unit Coordinates (1lbg.pdb2.gz) 30 Kb
  • CSU: Contacts of Structural Units for 1LBG
  • Likely Quarternary Molecular Structure file(s) for 1LBG
  • Retrieve 1LBG in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1LBG from S2C, [Save to disk]
  • View 1LBG 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 1LBG
  • 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 1LBG, from MSDmotif at EBI
  • Genome occurence of 1LBG's fold from GeneCensus
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1lbga1, region A:1-60 [Jmol] [rasmolscript] [script source]
        - Domain d1lbga2, region A:61-357 [Jmol] [rasmolscript] [script source]
        - Domain d1lbgb1, region B:1-60 [Jmol] [rasmolscript] [script source]
        - Domain d1lbgb2, region B:61-357 [Jmol] [rasmolscript] [script source]
        - Domain d1lbgc1, region C:1-60 [Jmol] [rasmolscript] [script source]
        - Domain d1lbgc2, region C:61-357 [Jmol] [rasmolscript] [script source]
        - Domain d1lbgd1, region D:1-60 [Jmol] [rasmolscript] [script source]
        - Domain d1lbgd2, region D:61-357 [Jmol] [rasmolscript] [script source]
  • Fold representative 1lbg from FSSP and Dali (Families of Structurally Similar Proteins)
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [1lbg_A] [1lbg_C] [1lbg_H] [1lbg_F] [1lbg] [1lbg_D] [1lbg_B] [1lbg_E] [1lbg_G]
  • SWISS-PROT database: [P03023]
  • Domain organization of [LACI_ECOLI] by SWISSPFAM
  • Domain found in 1LBG: [HTH_LACI ] by SMART
  • Other resources with information on 1LBG
  • Community annotation for 1LBG 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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