2I91 60kDa Ro autoantigen in complex with a fragment of misfolded RNA date
authors Reinisch, K.M., Stein, A.J.
compound source
R_Free 0.285
length a length b length c angle alpha angle beta angle gamma
method X-Ray Diffractionresolution 2.65
ligand ACT, MG enzyme
A, B

Primary referenceStructural and biochemical basis for misfolded RNA recognition by the Ro autoantigen., Fuchs G, Stein AJ, Fu C, Reinisch KM, Wolin SL, Nat Struct Mol Biol. 2006 Nov;13(11):1002-9. Epub 2006 Oct 15. PMID:17041599
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (201 Kb) [Save to disk]
  • Biological Unit Coordinates (2i91.pdb1.gz) 99 Kb
  • Biological Unit Coordinates (2i91.pdb2.gz) 99 Kb
  • LPC: Ligand-Protein Contacts for 2I91
  • CSU: Contacts of Structural Units for 2I91
  • Likely Quarternary Molecular Structure file(s) for 2I91
  • Structure Factors (618 Kb)
  • Retrieve 2I91 in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 2I91 from S2C, [Save to disk]
  • Re-refined 2i91 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 2I91 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 2I91
  • 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 2I91, from MSDmotif at EBI
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [2i91_B] [2i91_F] [2i91_C] [2i91_E] [2i91_D] [2i91_A] [2i91]
  • SWISS-PROT database: [P42700]
  • Domain organization of [RO60_XENLA] by SWISSPFAM
  • Other resources with information on 2I91
  • Community annotation for 2I91 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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