1O57 Dna Binding Protein date Apr 20, 2003
title Crystal Structure Of The Purine Operon Repressor Of Bacillus
authors S.C.Sinha, J.Krahn, B.S.Shin, D.R.Tomchick, H.Zalkin, J.L.Smith
compound source
Molecule: Pur Operon Repressor
Chain: A, B, C, D
Engineered: Yes
 Organism_scientific: Bacillus Subtilis
Organism_taxid: 1423
Gene: Purr
Expression_system: Escherichia Coli
Expression_system_taxid: 562
Expression_system_strain: B834(De3)
symmetry Space Group: P 1
R_factor 0.188 R_Free 0.237
crystal
cell
length a length b length c angle alpha angle beta angle gamma
65.077 72.156 82.967 84.75 84.03 67.47
method X-Ray Diffractionresolution 2.20 Å
ligand 1PE, 2PE, EPE, P6G, PG4, SO4 enzyme
note 1O57 supersedes 1P41
related structures by homologous chain: 1P4A
Gene
Ontology
ChainFunctionProcessComponent
A, D, C, B


Primary referenceThe purine repressor of Bacillus subtilis: a novel combination of domains adapted for transcription regulation., Sinha SC, Krahn J, Shin BS, Tomchick DR, Zalkin H, Smith JL, J Bacteriol 2003 Jul;185(14):4087-98. PMID:12837783
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (190 Kb) [Save to disk]
  • Biological Unit Coordinates (1o57.pdb1.gz) 93 Kb
  • Biological Unit Coordinates (1o57.pdb2.gz) 95 Kb
  • LPC: Ligand-Protein Contacts for 1O57
  • CSU: Contacts of Structural Units for 1O57
  • Likely Quarternary Molecular Structure file(s) for 1O57
  • Structure Factors (515 Kb)
  • Retrieve 1O57 in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1O57 from S2C, [Save to disk]
  • Re-refined 1o57 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
    • View 1O57 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 1O57
  • 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
  • 3D motif for 1O57, from MSDmotif at EBI
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1o57a1, region A:2-74 [Jmol] [rasmolscript] [script source]
        - Domain d1o57a2, region A:75-276 [Jmol] [rasmolscript] [script source]
        - Domain d1o57b1, region B:1-74 [Jmol] [rasmolscript] [script source]
        - Domain d1o57b2, region B:75-274 [Jmol] [rasmolscript] [script source]
        - Domain d1o57c1, region C:1-74 [Jmol] [rasmolscript] [script source]
        - Domain d1o57c2, region C:75-274 [Jmol] [rasmolscript] [script source]
        - Domain d1o57d1, region D:2-74 [Jmol] [rasmolscript] [script source]
        - Domain d1o57d2, region D:75-276 [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: [1o57_C] [1o57] [1o57_A] [1o57_D] [1o57_B]
  • SWISS-PROT database: [P37551]
  • Domain organization of [PURR_BACSU] by SWISSPFAM
    • Other resources with information on 1O57
  • Community annotation for 1O57 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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