1OB8 Hydrolase date Jan 28, 2003
title Holliday Junction Resolving Enzyme
authors C.L.Middleton, J.L.Parker, D.J.Richard, M.F.White, C.S.Bond
compound source
Molecule: Holliday-Junction Resolvase
Chain: A, B
Synonym: Holliday Junction Endonuclease
Engineered: Yes
 Organism_scientific: Sulfolobus Solfataricus
Organism_taxid: 2287
Expression_system: Escherichia Coli Bl21(De3)
Expression_system_taxid: 469008
Expression_system_variant: Ril
Expression_system_plasmid: Pet19b
symmetry Space Group: P 65
R_factor 0.197 R_Free 0.246
crystal
cell
length a length b length c angle alpha angle beta angle gamma
90.577 90.577 70.920 90.00 90.00 120.00
method X-Ray Diffractionresolution 1.80 Å
ligand EDO, SO4 enzyme
related structures by homologous chain: 1OB9
Gene
Ontology
ChainFunctionProcessComponent
A, B
  • nuclease activity
  • endonuclease activity


    • Primary referenceSubstrate recognition and catalysis by the Holliday junction resolving enzyme Hje., Middleton CL, Parker JL, Richard DJ, White MF, Bond CS, Nucleic Acids Res. 2004 Oct 12;32(18):5442-51. Print 2004. PMID:15479781
    Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (53 Kb) [Save to disk]
  • Biological Unit Coordinates (1ob8.pdb1.gz) 25 Kb
  • Biological Unit Coordinates (1ob8.pdb2.gz) 25 Kb
  • LPC: Ligand-Protein Contacts for 1OB8
  • CSU: Contacts of Structural Units for 1OB8
  • Likely Quarternary Molecular Structure file(s) for 1OB8
  • Structure Factors (213 Kb)
  • Retrieve 1OB8 in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1OB8 from S2C, [Save to disk]
  • Re-refined 1ob8 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
    • View 1OB8 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 1OB8
  • 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 1OB8, from MSDmotif at EBI
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1ob8a_, region A [Jmol] [rasmolscript] [script source]
        - Domain d1ob8b_, region B [Jmol] [rasmolscript] [script source]
    • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [1ob8_A] [1ob8_B] [1ob8]
  • SWISS-PROT database: [Q97YX6]
  • Domain organization of [Q97YX6_SULSO] by SWISSPFAM
    • Other resources with information on 1OB8
  • Community annotation for 1OB8 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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