2XFS Hydrolase date May 26, 2010
title Structural And Mechanistic Studies On A Cephalosporin Estera The Clavulanic Acid Biosynthesis Pathway
authors A.Iqbal, K.Valegard, N.J.Kershaw, D.Ivison, C.Genereux, A.Dubus, I.Andersson, C.J.Schofield
compound source
Molecule: Orf12
Chain: A, B
Engineered: Yes
Mutation: Yes
Other_details: Clavulanic Acid Complex
 Organism_scientific: Streptomyces Clavuligerus
Organism_taxid: 1901
Expression_system: Escherichia Coli
Expression_system_taxid: 469008
Expression_system_strain: Bl21(De3)
Expression_system_vector_type: Plasmid
Expression_system_vector: Pet24a
symmetry Space Group: P 1 21 1
R_factor 0.214 R_Free 0.261
crystal
cell
length a length b length c angle alpha angle beta angle gamma
61.593 100.589 81.241 90.00 93.77 90.00
method X-Ray Diffractionresolution 1.80 Å
ligand J01 enzyme
Primary referenceStructural and mechanistic studies of the orf12 gene product from the clavulanic acid biosynthesis pathway., Valegard K, Iqbal A, Kershaw NJ, Ivison D, Genereux C, Dubus A, Blikstad C, Demetriades M, Hopkinson RJ, Lloyd AJ, Roper DI, Schofield CJ, Andersson I, McDonough MA, Acta Crystallogr D Biol Crystallogr. 2013 Aug;69(Pt 8):1567-79. doi:, 10.1107/S0907444913011013. Epub 2013 Jul 20. PMID:23897479
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (146 Kb) [Save to disk]
  • Biological Unit Coordinates (2xfs.pdb1.gz) 72 Kb
  • Biological Unit Coordinates (2xfs.pdb2.gz) 72 Kb
  • LPC: Ligand-Protein Contacts for 2XFS
  • CSU: Contacts of Structural Units for 2XFS
  • Structure Factors (670 Kb)
  • Retrieve 2XFS in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 2XFS from S2C, [Save to disk]
  • Re-refined 2xfs structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
    • View 2XFS 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 2XFS
  • 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 2XFS, from MSDmotif at EBI
    • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [2xfs_B] [2xfs_A] [2xfs]
  • SWISS-PROT database:
  • Domain organization of by SWISSPFAM
    • Other resources with information on 2XFS
  • Community annotation for 2XFS at PDBWiki (http://pdbwiki.org)
    • Movements, Movies and Images
  • Images from IMB Jena Image Library of Biological Macromolecules.

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