2X4O Crystal structure of MHC CLass I HLA-A2.1 bound to HIV-1 envelope peptide env120-128 date
authors Celie, P.H.N., Toebes, M., Rodenko, B., Ovaa, H., Perrakis, A., Schumacher, T.N.M.
compound source
R_Free 0.2389
length a length b length c angle alpha angle beta angle gamma
method X-Ray Diffractionresolution 2.30
ligand GOL, MES enzyme
E, B
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  • Primary referenceUV-induced ligand exchange in MHC class I protein crystals., Celie PH, Toebes M, Rodenko B, Ovaa H, Perrakis A, Schumacher TN, J Am Chem Soc. 2009 Sep 2;131(34):12298-304. PMID:19655750
    Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (284 Kb) [Save to disk]
  • Biological Unit Coordinates (2x4o.pdb1.gz) 139 Kb
  • Biological Unit Coordinates (2x4o.pdb2.gz) 138 Kb
  • LPC: Ligand-Protein Contacts for 2X4O
  • CSU: Contacts of Structural Units for 2X4O
  • Structure Factors (533 Kb)
  • Retrieve 2X4O in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 2X4O from S2C, [Save to disk]
  • Re-refined 2x4o structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 2X4O 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 2X4O
  • 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 2X4O, from MSDmotif at EBI
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [2x4o_E] [2x4o_A] [2x4o_D] [2x4o_B] [2x4o] [2x4o_C] [2x4o_F]
  • SWISS-PROT database:
  • Domain organization of by SWISSPFAM
  • Domain found in 2X4O: [IGc1 ] by SMART
  • Other resources with information on 2X4O
  • Community annotation for 2X4O 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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