1DBQ Dna-Binding Regulatory Protein date Feb 13, 1996
title Dna-Binding Regulatory Protein
authors M.A.Schumacher, K.Y.Choi, F.Lu, H.Zalkin, R.G.Brennan
compound source
Molecule: Purine Repressor
Chain: A, B
Fragment: Corepressor-Free Corepressor-Binding Domain
 Organism_scientific: Escherichia Coli
Organism_taxid: 562
symmetry Space Group: P 1 21 1
R_factor 0.156 R_Free NULL
crystal
cell
length a length b length c angle alpha angle beta angle gamma
38.040 125.260 61.290 90.00 100.17 90.00
method X-Ray Diffractionresolution 2.20 Å
ligand MG enzyme
related structures by homologous chain: 1JHZ
Primary referenceMechanism of corepressor-mediated specific DNA binding by the purine repressor., Schumacher MA, Choi KY, Lu F, Zalkin H, Brennan RG, Cell 1995 Oct 6;83(1):147-55. PMID:7553867
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (97 Kb) [Save to disk]
  • Biological Unit Coordinates (1dbq.pdb1.gz) 92 Kb
  • LPC: Ligand-Protein Contacts for 1DBQ
  • CSU: Contacts of Structural Units for 1DBQ
  • Likely Quarternary Molecular Structure file(s) for 1DBQ
  • Retrieve 1DBQ in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1DBQ from S2C, [Save to disk]
    • View 1DBQ 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 1DBQ
  • Ramachandran plot from PDBSum
    • Structure-derived information
  • Dipole moment, from Dipole Server at Weizmann Institute
  • 3D motif for 1DBQ, from MSDmotif at EBI
  • Genome occurence of 1DBQ's fold from GeneCensus
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1dbqa_, region A [Jmol] [rasmolscript] [script source]
        - Domain d1dbqb_, region B [Jmol] [rasmolscript] [script source]
  • Class (fold), Architecture (subfold), Topology, Homologous superfamily from CATH
  • Summaries and structural analyses of PDB data files from PDBSum
  • Identification of Protein Pockets & Cavities at CASTp
    • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [1dbq_A] [1dbq] [1dbq_B]
  • SWISS-PROT database: [P0ACP7]
  • Domain organization of [PURR_ECOLI] by SWISSPFAM
    • Other resources with information on 1DBQ
  • Community annotation for 1DBQ 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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