4OCA Cryatal structure of ArnB K188A complexted with PLP and UDP-Ara4N date
authors Sousa, M.C., Lee, M.
compound source
R_Free 0.2608
length a length b length c angle alpha angle beta angle gamma
method X-Ray Diffractionresolution 2.30
ligand 2QR enzyme

Primary referenceStructural Basis for Substrate Specificity in ArnB. A Key Enzyme in the Polymyxin Resistance Pathway of Gram-Negative Bacteria., Lee M, Sousa MC, Biochemistry. 2014 Feb 4;53(4):796-805. doi: 10.1021/bi4015677. Epub 2014 Jan 24. PMID:24460375
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (117 Kb) [Save to disk]
  • Biological Unit Coordinates (4oca.pdb1.gz) 223 Kb
  • LPC: Ligand-Protein Contacts for 4OCA
  • CSU: Contacts of Structural Units for 4OCA
  • Structure Factors (355 Kb)
  • Retrieve 4OCA in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 4OCA from S2C, [Save to disk]
  • Re-refined 4oca structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 4OCA 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 4OCA
  • Ramachandran plot from PDBSum
  • Structure-derived information
  • Dipole moment, from Dipole Server at Weizmann Institute
  • 3D motif for 4OCA, from MSDmotif at EBI
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [4oca] [4oca_A]
  • SWISS-PROT database:
  • Domain organization of by SWISSPFAM
  • Other resources with information on 4OCA
  • Community annotation for 4OCA at PDBWiki (http://pdbwiki.org)

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